WO2006059528A1 - 表示制御装置、表示装置、及び表示方法 - Google Patents
表示制御装置、表示装置、及び表示方法 Download PDFInfo
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- WO2006059528A1 WO2006059528A1 PCT/JP2005/021556 JP2005021556W WO2006059528A1 WO 2006059528 A1 WO2006059528 A1 WO 2006059528A1 JP 2005021556 W JP2005021556 W JP 2005021556W WO 2006059528 A1 WO2006059528 A1 WO 2006059528A1
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- display
- image
- video
- switching
- liquid crystal
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- 238000000034 method Methods 0.000 title claims description 96
- 230000005540 biological transmission Effects 0.000 claims abstract description 73
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
- B60K35/22—Display screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/65—Instruments specially adapted for specific vehicle types or users, e.g. for left- or right-hand drive
- B60K35/654—Instruments specially adapted for specific vehicle types or users, e.g. for left- or right-hand drive the user being the driver
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/65—Instruments specially adapted for specific vehicle types or users, e.g. for left- or right-hand drive
- B60K35/656—Instruments specially adapted for specific vehicle types or users, e.g. for left- or right-hand drive the user being a passenger
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/349—Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking
- H04N13/351—Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking for displaying simultaneously
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/356—Image reproducers having separate monoscopic and stereoscopic modes
- H04N13/359—Switching between monoscopic and stereoscopic modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/1526—Dual-view displays
Definitions
- Display control device display device, and display method
- the present invention relates to a display control device, a display device, and a display method, and more specifically, a display control device, a display device, and a display capable of displaying individual videos for a plurality of viewing directions on the same screen. Regarding the method.
- display devices such as TVs are widely used not only for home use but also for in-vehicle use for displaying and outputting images and videos to vehicle occupants.
- In-vehicle display devices were originally used for the purpose of route guidance of the host vehicle, but in recent years, not only route guidance but also other uses, for example, in-vehicle as disclosed in Patent Document 1 It has also been used as a display means for TV devices, audio devices, DVD players, and so on.
- the use of the in-vehicle display device has been expanded, and the number of users to be visually recognized is increasing according to these uses.
- the user is mainly the driver, but the passenger who is seated in the passenger seat or the rear seat (non-driver) is the main user in the display output of the TV. It becomes.
- Patent Document 2 discloses an in-vehicle display device that can limit the visibility of a driver's seat side force using a liquid crystal shutter.
- the force that enters the eyes of the driver DR The band group that displays the image for the passenger seat
- the light emitted from the 305 is prevented from entering the eyes of the driver DR, while the band group that displays the image for the passenger seat
- the light emitted from the 305 A technique is disclosed in which the light emitted from the belt-like portion group 304 that displays the driver's seat image does not enter the eyes of the passenger occupant PA, although it enters the eyes.
- the map image 307 by the navigation device can be seen only from the driver DR (it is not seen from the passenger occupant PA).
- the DVD image 308 can be displayed on the display device 306 so that it can be seen only by the passenger PA (not seen by the driver DR).
- the passenger occupant PA can enjoy television and movies.
- a map image and a DVD image as shown in FIG. 32 are mixed between the driver DR and the passenger seat occupant PA, for example, from the rear center seat occupant.
- the combined image 309 can be seen, and the DVD image 308 or the map image 307 etc. cannot be displayed independently for the person located between the driver DR and the passenger occupant PA, which is good.
- seat positions (directions) where the displayed images could be enjoyed were limited.
- the following Patent Document 6 includes a liquid crystal display element 311 and a parallax noria (slit array) 312, and each pixel 311 A to 311 D of the liquid crystal display element 311.
- An image display device is disclosed in which four observers A to D can observe different plane images when different image signals are input to the same.
- the image display device described in Patent Document 6 based on a signal from the remote control device, the direction of the observer who is operating the remote control device is detected, and the observer's observation is detected.
- the selected image can be selected as the target image.
- the viewers B, C, and D are respectively remote control devices.
- the operation of selecting the same image must be performed.
- such an image display device is mounted on a vehicle, and the driver DR displays a map image of the navigation device, while the passenger seat occupant PA or the center seat occupant displays a DVD image.
- the passenger occupant PA or the center occupant had to individually switch to the DVD video, and there was a problem if the operation became complicated.
- Display control is performed so that (one pixel column) and a band-like group 305 (one pixel column) on which a passenger seat image is displayed are alternately arranged in the horizontal direction.
- the pixels 311A to 311D to be viewed by the observers A to D are sequentially controlled in the horizontal direction! / Speak.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-244591
- Patent Document 2 Japanese Patent Laid-Open No. 2003-15535
- Patent Document 3 Japanese Unexamined Patent Publication No. 2003-137005
- Patent Document 4 Japanese Patent Laid-Open No. 2000-13744
- Patent Document 5 Japanese Patent Application Laid-Open No. 2004-206089
- Patent Document 6 Japanese Patent No. 3503925 Disclosure of the invention
- the present invention has been made in view of the above problems, and for a display unit capable of displaying individual images for a plurality of viewing directions on the same screen, a predetermined one of the plurality of viewing directions is provided. It is possible to control to automatically switch the display video for the direction to the content and state desired by the user, and for the display unit that can display individual video for multiple viewing directions on the same screen.
- a display control device and a display device capable of performing control to improve the visibility of the image out of the individual images, and display different in a plurality of directions without lowering the resolution
- the purpose is to provide a display device that can perform output and a display method.
- a display control apparatus (1) is a display control apparatus for controlling a display unit capable of displaying individual videos for a plurality of viewing directions on the same screen.
- the image processing apparatus is characterized by further comprising display control means for performing display video switching control with respect to a predetermined direction among the plurality of viewing directions based on a predetermined display switching condition.
- the display control device (1) since the display video in the predetermined direction is switched based on the display switching condition, the display switching condition desired by the user is set in advance. Thus, the display video in the predetermined direction can be switched to a state desired by the user, and the time for switching the display video in the predetermined direction can be saved, or each display video displayed in a different direction can be viewed. It is possible to realize control that enhances performance.
- the display control device (2) determines in which direction of the plurality of viewing directions the display video is switched in the display control device (1). Determining means, and switching condition determining means for determining whether or not the display switching condition is related to the switching direction determined by the switching direction determining means, wherein the display control means includes the switching condition.
- the determination means determines that the display switching condition is related to the switching direction
- control is performed to switch the display video for the predetermined direction to the same display video as the switching direction. It is.
- the display control device (2) when it is determined that the display switching condition is related to the switching direction, the display video in the predetermined direction is the same as the switching direction. Since the control to switch to the display video is performed, the same display video as the switching direction can always be displayed in the predetermined direction. Therefore, it is possible to save the user from the switching operation for the predetermined direction.
- the display control device (3) is the display control device (1), wherein the display unit includes a first screen, a second direction, and a second screen on one screen. Separate display means for projecting different images with respect to the three directions, and the display control means switches display images for the second and Z directions or the third direction based on the display switching condition. It is characterized by control.
- the display unit includes a first screen on a single screen (for example, the direction in which the driver exists) and a second direction (for example, an assistant). Separate display means for projecting different images in the direction in which the seat occupant is present) and the third direction (for example, the direction in which the center seat occupant is present), and the display control means Based on the switching conditions, display video switching control for the second, Z, or third direction is performed, so that the display video for the second, Z, or third direction is desired by the user. To realize the control that eliminates the trouble of switching the display image in the second, Z, or third direction, or increases the visibility of each display image displayed in a different direction. Can do.
- the display control device (4) is the display control device (3), wherein the display switching condition is that the display video for the second and Z directions or the third direction is the first video.
- the feature is that it is a condition.
- the display switching condition switches the display video for the second and Z or third directions to the same video as the display video for the first direction. Therefore, when the display image in the first direction (for example, the direction in which the driver exists) is switched, the third image is linked with the switching of the display image in the first direction.
- the display image for the direction (for example, the direction in which the center seat occupant is present) will also be switched, and those present in the third direction will not be able to perform the switching operation. , It is possible to always enjoy the same video as those present in the first direction.
- the display switching condition indicates that the display image with respect to the third direction is displayed in the second direction. Switching to the same video as the display video for is characterized by the following conditions.
- the display switching condition is a condition that the display video in the third direction is switched to the same video as the display video in the second direction.
- the third direction for example, the center seat
- the display image for the direction in which the occupant is present is also switched, and the person in the third direction can always enjoy the same image as the person in the second direction without performing the switching operation. .
- the display switching condition does not output a display image for the second or third direction. It is characterized by the condition.
- the display switching condition is a condition that display images for the second and Z directions or the third direction are not output, for example, the third direction
- the display image for the center seat occupant is not output, for example, the display image for the first direction (for example, the direction for the driver) and the second
- the display image for the direction for example, the direction in which the passenger on the passenger seat is present
- the influence can be reduced and the first direction
- a clearer image can be visually recognized by a person who exists and a person who exists in the second direction, and visibility when different images are displayed in two directions can be improved.
- the display image in the second direction (for example, the direction in which the passenger on the passenger seat is present) is not output, the image is reflected on the display image force window in the second direction at night. This prevents the driver from being dazzled.
- the display switching condition is that the display video in the third direction includes the third Set for direction It is characterized by the condition that the video is displayed.
- the display switching condition is a condition that the video set for the third direction is displayed on the display video for the third direction.
- the person existing in the third direction can always enjoy the video for the third direction even when the display video is switched in the first or second direction. .
- the display control device (8) is characterized in that the display control device (1) includes a display switching condition setting means for setting the display switching condition.
- the display switching condition setting means for setting the display switching condition can be appropriately set according to the situation or the like.
- the display image in the predetermined direction can be switched to a state desired by the user.
- the display device (1) includes a display unit capable of displaying individual videos for a plurality of viewing directions on the same screen, and a display control means for controlling the display unit.
- the display control means is configured to perform display video switching control for a predetermined direction of the plurality of viewing directions based on a predetermined display switching condition.
- the same control as the display control device (1) can be realized for a display unit capable of displaying individual videos for a plurality of viewing directions on the same screen. Therefore, the display device can achieve the effect of the display control device (1).
- a display control device (9) is a display control device for controlling a display unit capable of displaying individual images for a plurality of viewing directions on the same screen. Is equipped with a light transmissive area changing means for changing the light transmissive area for each viewing direction, and the light transmissive area changing means changes the light transmissive area for each viewing direction. It is characterized by comprising display control means for controlling the display resolution of the video to be displayed in correspondence.
- the change of the light transmission region for each viewing direction by the light transmission region changing means and the display resolution of the video displayed in each viewing direction are matched. Therefore, for example, the display resolution of the video displayed in each viewing direction is adjusted and displayed in accordance with the change of the light transmitting region with respect to each viewing direction by the light transmitting region changing unit. Control can be performed, and a video with an increased display resolution can be displayed in response to a change in the viewing area of each video, and the visibility of the video can be improved. Alternatively, in response to a change in display resolution of the video displayed in each viewing direction, it is possible to perform control to change and display the light transmission region for each viewing direction by the light transmission region changing unit. Corresponding to the change in the display resolution of the video, the viewing area of each video can be expanded or narrowed, and the visibility of a predetermined video can be improved.
- the display control device (10) includes, in the display control device (9), video number detection means for detecting a change in the number of videos displayed on the display unit, and the display control means includes Based on the number of images detected by the number-of-images detection unit, the light transmission region changing unit changes the light transmission region with respect to each viewing direction, and the display resolution of the image to be displayed in each viewing direction is It is characterized by being controlled in accordance with
- the light transmission region changing unit changes the light transmission region for each viewing direction, and Since display control is performed in association with the display resolution of the video to be displayed in each viewing direction, the light transmission region for each viewing direction can be changed according to the number of images projected on the display unit. .
- the number of images projected on the display unit is one
- the viewing area is changed by one, that is, the light transmitting area changing means is changed so as not to display separately.
- the light transmission region is changed by the light transmission region changing means so as to separate the visual field region into two.
- the light transmission region can be changed by the light transmission region changing means so as to separate the visual field region into three or more. Then, since control for adjusting the display resolution of the display image is performed in response to the change of the light transmission region by the light transmission region changing means, the smaller the number of images displayed on the display unit, the more Increase display resolution of video It is possible to improve the visibility.
- the display control device (11) includes, in the display control device (9), a video type determination unit that determines a type of video displayed on the display unit, and the display control unit includes: Based on the video type discriminated by the video type discriminating means, the change of the light transmission area for each viewing direction by the light transmission area changing means is associated with the display resolution of the video displayed in each viewing direction. It is characterized by being controlled.
- the display control device (11) According to the type of the video displayed on the display unit, the light transmission area for each viewing direction and the display resolution of the video displayed in each viewing direction For example, the change pattern of the light transmission area corresponding to the video type (video source) is stored in advance, and the type of each video is determined and determined. It is possible to realize control for changing the light transmission area according to the type of each video (for example, control with a high priority set to widen the visual recognition area of the video). In addition, the display resolution of the video is adjusted in response to the change in the light transmission area, so for example, the display resolution of the video with the wide light transmission area can be increased, and the visibility of the image is improved. Can be made.
- the display control device (12) detects, in the display control device (9), an operation for changing a visual recognition area for any one of the images displayed on the display unit.
- a light transmitting region for each viewing direction by the light transmission region changing unit based on the visual region changing operation detected by the visual region changing operation detecting unit.
- the display resolution of the video displayed in each viewing direction are controlled in correspondence with each other.
- the display control device (12) in response to a change operation of the viewing area for any image projected on the display unit, the light transmission area for each viewing direction is changed,
- the display resolution of the video displayed in each viewing direction can be controlled in correspondence. For example, a light transmission region change pattern when a viewing region change operation is detected is stored in advance, and the light transmission region is changed in accordance with the viewing region change operation. Further control (for example, control for expanding the visual recognition area of the video in which the change operation of the visual recognition area is detected) can be realized. Also, since the display resolution of the video is adjusted in response to the change of the light transmission area, for example, the display resolution of the video with a wide viewing area can be increased, and the visibility of the video can be improved. Can do.
- the display control device (13) further includes an operation detection unit that detects an operation on any one of the images projected on the display unit in the display control device (9). Based on the operation detected by the operation detection means, the control means changes the light transmission area with respect to each viewing direction by the light transmission area changing means, and the display resolution of the video to be displayed in each viewing direction. It is characterized by the fact that it is controlled in accordance with.
- the light transmission region changing unit changes the light transmission region with respect to each viewing direction.
- the display resolution of the video displayed in each viewing direction can be controlled in correspondence.
- the light transmission area change pattern when an operation on the image is detected is stored in advance, and the light transmission area is changed in accordance with the operation on the image (for example, some operation on the image). Control that expands the visual recognition area of the image where the image is detected).
- the display resolution of the video is adjusted in response to the change of the light transmission region by the light transmission region changing means, for example, when the visual field region of the video in which the operation is detected is widened. In both cases, the display resolution can be increased, and visibility and operability can be improved.
- the light transmission region changing means includes a liquid crystal shutter force, and a light shielding pattern of the liquid crystal shutter is stored.
- a light shielding pattern storage means wherein the display control means reads a light shielding pattern corresponding to a change condition of a light transmission region from the light shielding pattern storage means, and controls the liquid crystal shutter based on the light shielding pattern. It is characterized by that.
- the display control means reads a light shielding pattern corresponding to a light transmission region changing condition from the light shielding pattern storage means, and Since the liquid crystal shutter is controlled based on the screen, by controlling the liquid crystal shirt, the light transmission area for each image can be changed to a predetermined pattern.
- Various video displays can be realized.
- the display device (2) is configured to be able to display individual images for a plurality of viewing directions on the same screen, and transmits light for changing a light transmission region for each viewing direction. Control is performed in association with the display unit including the area changing means, the change of the light transmission area for each viewing direction by the light transmitting area changing means, and the display resolution of the video displayed in each viewing direction. It is characterized by comprising a display control means.
- the display device (2) it is configured such that individual videos for a plurality of viewing directions can be displayed on the same screen, and the light transmission region is changed to change the light transmission region for each viewing direction.
- Control similar to that of the display control device (9) can be realized with respect to the display unit provided with the means, and the display device can obtain the effect of the display control device (9).
- the display device (3) includes a first display content creating means for creating display content for the first direction and a second display content creation for creating display content for the second direction.
- Means directivity control means for controlling the directivity of display output, and the first display content and the second display content creation means created by the first display content creation means for each display element.
- Time-division interlocking control means for linking the display content switching timing with the directivity switching timing by the directivity control means. It is characterized by that.
- display content in the first direction is created by the first display content creation means, and in the second direction by the second display content creation means.
- Display contents are created, the first display contents and the second display contents are switched and output in a time-sharing manner for each display element by the time-division interlock control means, and the display Since the control for linking the content switching timing and the directivity switching timing by the directivity control means is performed, a display device that performs different display outputs in a plurality of directions without reducing the resolution can be obtained.
- the display device (3) includes The split interlock control means is characterized in that the first display content and the second display content are switched in a time division manner and output in units of all display elements.
- the display device (4) the first display content and the second display content are switched and output in a time-division manner by the time-division interlocking control unit for every display element.
- the directivity switching timing by the directivity control means, it is possible to obtain a display device that performs different display outputs in a plurality of directions without reducing the resolution. it can.
- the time-division interlocking control unit can change a switching density between the first display content and the second display content. It is characterized by being controlled.
- the first display content and the second display content are switched in time division and in conjunction with the directivity switching timing by the directivity control means.
- the switching density between the first display content and the second display content is variably controlled, so that different display outputs can be made in multiple directions without lowering the resolution, and image quality can be adjusted for each direction. Display device can be obtained.
- the display device (6) further includes a travel state acquisition unit that is mounted on the vehicle and acquires the travel state of the host vehicle in the display device (5), wherein the time-division method is performed.
- the interlock control means changes the switching density based on the traveling state of the host vehicle.
- the first display content and the second display content are switched in time division and in conjunction with the directivity switching timing by the directivity control means.
- the switching density between the first display content and the second display content is variably controlled based on the traveling state of the host vehicle, so that different display outputs can be obtained in a plurality of directions without reducing the resolution.
- a display device can be obtained that performs image quality adjustment according to the driving condition.
- the display device (7) when the time-division interlocking control means is moving the host vehicle in the second direction. It is characterized by increasing switching density.
- the display content on the driver's seat and the display content on the passenger seat are time-divisionally synchronized with the directivity switching timing by the directivity control means. If the vehicle is traveling, the density of switching to the passenger seat (second direction) can be increased, so that different display outputs can be made in multiple directions without reducing the resolution. In addition, it is possible to obtain a display device that prioritizes image quality in the passenger seat direction (the second direction) during traveling.
- the display device (8) according to the present invention is directed to the first direction when the display device (6) is executing the time-division interlocking control means force guidance to the driver. It is characterized by increasing the switching density.
- the display content on the driver's seat and the display content on the passenger seat are time-divisionally synchronized with the directivity switching timing by the directivity control means. If the guidance to the driver is being executed, the density of switching to the driver's seat direction (the first direction) can be increased, so that different display outputs can be made in multiple directions without reducing the resolution. In addition, it is possible to obtain a display device that prioritizes image quality in the direction of the driver's seat (the first direction) during guidance.
- the display device (9) corrects the luminance of the display output based on the switching density between the first display content and the second display content in the display device (5). It is further characterized by further comprising brightness correction means.
- the first display content and the second display content are switched in time division and in conjunction with the directivity switching timing by the directivity control means.
- the brightness of the display output is corrected based on the switching density between the first display content and the second display content, so that the display content different in a plurality of directions can be obtained without reducing the resolution.
- a display device that outputs with appropriate luminance can be obtained.
- the time-division linking control unit includes the first display content and the second display content. Is characterized in that the output pattern switching timing is linked with the directivity switching timing of the directivity control means.
- the time-division interlocking control unit switches and outputs an output pattern including the first display content and the second display content in a time-sharing manner. Since the output pattern switching timing is linked to the directivity switching timing by the directivity control means, the first display content and the second display content are simultaneously output in the output pattern. However, the first display content and the second display content are mixed temporally by linking the output pattern switching timing with the directivity switching timing by the directivity control means.
- the display device (11) according to the present invention is characterized in that, in the display device (3), the directivity control means force is a liquid crystal shutter that blocks transmission of light in a specific direction.
- display content in the first direction is created by the first display content creation means, and in the second direction by the second display content creation means.
- Display content is created, and the time-division interlocking control means switches the first display content and the second display content in a time-sharing manner, and outputs the display content switching timing and the liquid crystal. Since the directivity switching timing by the shutter is linked, it is possible to obtain a display device that performs different display outputs in a plurality of directions without reducing the resolution with a simple configuration.
- the time-division linkage control means switches the directivity by the directivity control means and before and after the time point. It is characterized by providing a total blocking period that blocks both transmission in the first direction and transmission in the second direction.
- the display device (12) when the first display content and the second display content for each display element are switched, transmission in the first direction and the second time before and after the time are switched. Since the directivity control means is controlled so as to provide a total blocking period for blocking both transmissions in the direction of time, it is possible to generate temporal crosstalk without degrading the resolution. A display device that performs different display outputs in a plurality of directions can be obtained.
- the time-division linkage control means has the same first display content and the second display content. In this case, the liquid crystal shutter is always fully opened.
- the liquid crystal shutter is controlled so as to be always fully open to display output. Therefore, it is possible to obtain a display device that performs different display outputs in a plurality of directions without reducing the resolution as necessary.
- the display device (14) according to the present invention is characterized in that, in the display device (11), the time-division linkage control means force controls the liquid crystal shutter to a lattice-shaped light shielding pattern. Yes.
- the liquid crystal shirt is controlled by the time-division interlocking control means to have a lattice-shaped light shielding pattern, display outputs differing in a plurality of directions without reducing the resolution.
- the image quality at the time of performing can be further improved.
- the display device (15) according to the present invention is the same as the display content created by the first display content creation means and the second display content creation means in the display device (3).
- the time-division interlocking control means outputs the common content to the same area of the display screen.
- the display device when the first display content and the second display content include common content, the common content is displayed on the display screen by the time-division interlocking control unit. Therefore, it is possible to obtain a display device that performs different display outputs in a plurality of directions without lowering the resolution and outputs the same contents with higher quality.
- the time-division linkage control means corresponds to a portion of the liquid crystal shutter corresponding to a region for displaying the common contents. Is controlled to be fully open at all times.
- the display device (16) when the first display content and the second display content include common content, the common content is displayed in the same region of the display screen. With Since the corresponding portion of the liquid crystal shutter is always controlled to be fully open, it is possible to obtain a display device that performs different display outputs in a plurality of directions without degrading the resolution and outputs the same content with higher quality. .
- the display device (17) according to the present invention is mounted on a vehicle in the display device (3), wherein the first direction is a driver seat direction, and the second direction is a passenger seat direction. It is characterized by being.
- the display content for the driver seat direction is created by the first display content creation means
- the display content for the passenger seat direction is created by the second display content creation means.
- the time-division interlocking control means switches the display content in the driver's seat direction and the display content in the passenger seat direction in a time-sharing manner, and outputs the display content switching timing and directivity. Since the directivity switching timing by the control means is linked, it is possible to obtain a display device that performs different display outputs for the driver seat and the passenger seat without reducing the resolution.
- the display device (18) in the display device (17), when the time-division linkage control means does not seat an occupant in the passenger seat, Is selectively displayed, and directivity control by the directivity control means is stopped.
- the display device (18) when no occupant is seated in the passenger seat, the display content in the direction of the driver's seat is always displayed, and the directivity control by the directivity control means is performed. Since it is stopped, it is possible to obtain a display device that performs different display outputs in a plurality of directions without reducing the resolution as necessary.
- the first display content creation means and the second display content creation means are bits corresponding to time-division output. It is characterized by creating the display contents of the rate.
- the first display content and the second display content are time-divisionally switched by the time-division interlocking control unit, and the directivity switching by the directivity control unit is performed.
- the first display content and the second display content are created at a bit rate corresponding to time-division output. It is possible to obtain a display device that outputs different displays in a plurality of directions at an appropriate bit rate without lowering.
- the display device (20) includes a first specific pixel group in the first image and a second exclusive pixel group in an exclusive position with the first specific pixel group in the second image.
- a first composite image generating means for generating one composite image; a second specific pixel group in the same position as the first specific pixel group in the second image; and the second specific pixel group in the first image
- Second composite image generation means for generating a second composite image with the first exclusive pixel group at another position, directivity of each pixel at the position of the first specific pixel group in display output, and the first (2)
- a directivity control means for switching and controlling the directivity of each pixel in the position of the specific pixel group, the first composite image and the second composite image are switched and displayed in a time division manner, and the directivity control is performed. Time-division interlocking control that links directivity switching timing by means And a stage, as characterized Rukoto, Ru.
- the time-division interlocking control unit displays the first composite image and the second composite image by switching in a time-division manner, and also uses the directivity control unit. Since the switching timing of directivity is linked, in the first composite image, the first specific pixel group in the first image and the second exclusive pixel group in the second image are used, and the second composite image is used. In the image, even if the second specific pixel group in the second image and the first exclusive pixel group in the first image are output simultaneously, the first composite image and the second composite image The first composite image and the second composite image are temporally mixed to link the first image and the second composite image by linking the directivity switch timing with the directivity switch timing by the directivity control means.
- the second picture It is possible to obtain a display device that can display different images in multiple directions without lowering the resolution by using the afterimage phenomenon of the eye. .
- the display method (1) includes a time-division display step for time-division display of a plurality of images on each display element, and an emission of image light in a predetermined direction in conjunction with the time-division display.
- a plurality of images are displayed in time division on each display element, and emission in a predetermined direction of image light is time-division blocked in conjunction with time-division display. Since directivity is added to the display output and a plurality of images are output in different directions, it is possible to obtain a display method for performing different display outputs in a plurality of directions without reducing the resolution.
- the time-division display step displays a plurality of images in a time-division manner in units of all display elements. It is characterized by.
- a plurality of images are displayed in a time-division manner in units of all display elements, and emission in a predetermined direction of image light is time-division blocked in conjunction with the time-division display.
- directivity is added to the display output, and multiple images are output in different directions for each display element unit, so a display method can be obtained in which different display outputs are made in multiple directions without reducing the resolution. .
- the display method (3) according to the present invention is characterized in that, in the display method (2), the time-division display process power variably controls the switching density of the plurality of images. Yes.
- the switching density of the plurality of images is variably controlled.
- the display method (4) according to the present invention further includes a luminance correction step of correcting the luminance of the display output based on the switching density of the plurality of images in the display method (3). It is characterized by.
- the switching density of a plurality of images is variably controlled, and the luminance of the display output is corrected based on the switching density, so that different displays can be performed in a plurality of directions without reducing the resolution. Can be obtained with an appropriate luminance.
- the display method (5) is the display method (1) in which the time-division display process power and an output pattern including a plurality of images are switched and displayed in a time-division manner. It is characterized by being. [0092] According to the display method (5), the output pattern including a plurality of images is switched and displayed in a time-division manner, and emission in a predetermined direction of the image beam is time-division blocked in conjunction with the time-division display. Since the directivity is added to the display output and a plurality of images are output in different directions, even when the plurality of images are simultaneously output in the output pattern, the output pattern switching and the time-division blocking step are performed.
- the time-division blocking step is performed when the time-division display step switches the output image and before and after the time point.
- the present invention is characterized in that a total blocking period for blocking emission in all directions is provided.
- the resolution is lowered because the time of the output image switching and the time-sequential blocking are provided with the entire blocking period for blocking the emission in all directions before and after that time.
- the display method (7) when the time-division blocking step has the same display contents of the plurality of images, the display method (7) is omnidirectional. It is characterized by being transparent to the outgoing light.
- the display method (7) when the display contents of a plurality of images are the same, the emission in all directions is transmitted, so that the display is different in a plurality of directions without reducing the resolution as necessary.
- a display method for performing display output can be obtained.
- the display method (8) according to the present invention is the display method (1), in which the time-division blocking step is performed when there is a common part in the display contents of the plurality of images. It is characterized in that all of the image light rays forming the common part are transmitted.
- the display method (9) is the display method (1) described above, wherein the display method (9) has a display content of a bit rate corresponding to the plurality of image power time-division outputs. It is a feature.
- the display method (10) includes a first specific pixel group in the first image and a second exclusive pixel group in an exclusive position with the first specific pixel group in the second image.
- a first composite image generating step for generating one composite image; a second specific pixel group located at the same Cf as the first specific pixel group in the second image; and the second specific pixel group in the first image.
- a second composite image generation step for generating a second composite image of the first exclusive pixel group at the exclusive position, and the first composite image and the second composite image are switched and displayed in a time-sharing manner.
- a time-division switching step for switching the directivity of each pixel at the position of the first specific pixel group and the directivity of each pixel at the position of the second specific pixel group in display output in conjunction with each other. It is characterized by singing including
- the first composite image and the second composite image are switched and displayed in a time-sharing manner, and each pixel at the position of the first specific pixel group in the display output is displayed. And the directivity of each pixel at the position of the second specific pixel group are switched in conjunction with each other. Therefore, in the first composite image, the first specific pixel group and the second specific pixel in the first image are switched.
- the second exclusive pixel group in the image, and the second specific pixel group in the second image and the first exclusive pixel group in the first image are simultaneously output in the second composite image. Even so, the first composite image and the second composite image can be linked by linking the switching timing between the first composite image and the second composite image and the directivity switching timing by the directivity control means.
- Each with images By mixing them intermittently, it is possible to obtain an image display in which the resolution of the first image and the second image is not reduced, and by using the afterimage phenomenon of the eyes, multiple images can be displayed without reducing the resolution.
- a display method for performing different display outputs in directions can be obtained.
- FIG. 1 is a diagram conceptually showing functions provided in a display device according to the present invention.
- FIG. 2 is a perspective view showing a state where the display device according to the present invention is mounted on a vehicle.
- FIG. 3 (a) is a diagram schematically showing a display state of the display unit according to the present invention when the frontal force is also seen, and (b) is a BB line in (a). It is sectional drawing.
- FIG. 4 is a circuit diagram showing a schematic configuration of a TFT substrate constituting the display unit.
- FIG. 5 is a block diagram schematically showing a main part of an AV navigation system including the display device according to the present invention.
- FIG. 6 is a block diagram showing a schematic configuration of an image output unit.
- FIG. 7 is a block diagram showing a schematic configuration of a memory.
- FIG. 8 is a block diagram showing a schematic configuration of a control unit.
- FIG. 9 is a block diagram schematically showing a main part of an AV ′ navigation system configured to include a display device employing the display control device according to the embodiment (1) of the present invention.
- FIG. 10 is a diagram schematically showing the structure of a liquid crystal panel and a display separation shutter constituting the display device.
- FIG. 11 is a flowchart showing processing operations performed by the control unit in the display device employing the display control device according to the embodiment (1).
- FIG. 12 is a flowchart showing another processing operation performed by the control unit in the display device employing the display control device according to the embodiment (1).
- FIG. 13 is a block diagram schematically showing a main part of an AV ′ navigation system configured to include a display device employing the display control device according to the embodiment (2).
- FIG. 14 is a cross-sectional view schematically showing the structure of a liquid crystal panel and a liquid crystal shutter constituting the display device.
- FIG. 15 is a diagram showing the structure of the liquid crystal panel and the liquid crystal shutter shown in FIG. 14 in a simplified manner.
- FIG. 16 (a) to (c) explain the liquid crystal shutter drive control performed by the control unit and the video output control to the liquid crystal panel performed according to the number of images projected on the liquid crystal panel.
- FIG. 17 (a) to (c) are the controls that are implemented according to the type of video displayed on the liquid crystal panel.
- FIG. 4 is a diagram for explaining liquid crystal shutter drive control and video output control to a liquid crystal panel performed in the control unit.
- FIG. 18 (a) and (b) are liquid crystal shutter drive controls performed by the control unit when the user changes the viewing area or when the display image is operated.
- FIG. 6 is a diagram for explaining video output control to a liquid crystal panel.
- FIG. 19 A flowchart showing a processing operation performed by the control unit in the display device employing the display control device according to the embodiment (2).
- FIG. 20 is a flowchart showing another processing operation performed by the control unit in the display device employing the display control device according to the embodiment (2).
- FIG. 21 is a flowchart showing still another processing operation performed by the control unit in the display device employing the display control device according to the embodiment (2).
- ⁇ 22 It is a block diagram showing a schematic configuration of an in-vehicle device in which the display device according to the embodiment (3) is adopted.
- FIG. 23-1 is a diagram for explaining a method of displaying a screen for a driver and a screen for a non-driver by dividing the display.
- FIG. 23-2 is a diagram for explaining a method for displaying a driver screen and a non-driver screen in an overlapping manner.
- FIG. 24 is a diagram for explaining display output by time-division interlocking control.
- FIG. 25 is a diagram for explaining the operation of the liquid crystal shutter in the time division interlocking control.
- FIG. 26 is a diagram for explaining a case where the display content of the driver display output and the display content of the non-driver display output include common content.
- FIG. 27 is a diagram for explaining the operation of the liquid crystal shutter when the display content of the driver display output and the display content of the non-driver display output include common contents.
- FIGS. 28A and 28B are diagrams for explaining a display method based on time-division interlocking control performed by the main control unit in the in-vehicle apparatus according to the embodiment (4).
- FIGS. 29 (a) and 29 (b) are diagrams for explaining a light shielding pattern of a liquid crystal shutter in an in-vehicle device according to another embodiment.
- FIG. 30 is a diagram schematically showing the structure of a conventional display device that realizes separate display.
- FIG. 31] (a) and (b) are diagrams showing an example displayed on the display unit constituting the display device.
- FIG. 32 is a diagram showing an example displayed on the display unit constituting the display device.
- FIG. 33 is a diagram schematically showing the structure of another conventional display device that realizes separate display.
- FIGS. 1 to 8 a display control device and a display device according to the present invention will be described in detail with respect to a function of displaying individual videos for a plurality of viewing directions on the same screen.
- the function to display individual images on the same screen in two directions left and right directions
- the display function is not limited to the display in only two directions, but more than three directions.
- FIG. 1 is a diagram conceptually showing functions provided in the display device according to the present invention.
- the first image data D1 output from the first image source 101 and the second image data D2 output from the second image source 102 are input to the display control unit 103 and processed by the display control unit 103.
- the displayed display data D3 is output to the display unit 104.
- the first display image 105 based on the first image data D1 is visibly displayed in the direction of the viewer L located on the left side with respect to the display unit 104.
- a second display image 106 based on the second image data D2 is displayed so as to be visible in the direction of the viewer R located on the right side of the display unit 104.
- the first display image is displayed to the viewer L according to the relative position of the viewer with respect to the display unit 104, in other words, according to the viewing angle with respect to the display unit 104.
- 105 can be displayed to the viewer R at the same time as the second display image 106, and each display image 105, 106 is displayed on the entire display screen of the display unit 104.
- the first image source 101 is, for example, a movie image from a DVD player or a received image from a television receiver
- the second image source 102 is, for example, a map or route from a car navigation device.
- the first image data D1 and the second image data D2 are supplied to the display control unit 103, and the display control unit 103 Processing for displaying the image data on the display unit 104 substantially simultaneously is performed. With such a configuration, different information and content can be presented to the left and right viewers L and R on one screen. Of course, if the first and second image sources 101 and 102 are the same, the left and right viewers L and R can see the same image.
- FIG. 2 is a perspective view showing a state in which the display device according to the present invention is mounted on a vehicle.
- the display unit 104 that constitutes the display device is disposed in the approximate center of the dashboard in front of the driver's seat 107 and the passenger seat 108, and various operations for the display device are arranged on the liquid crystal panel 110 of the display unit 104.
- the touch panel 111 and the operation unit 112 provided in the frame of the liquid crystal panel 110 of the display unit 104, or an infrared or wireless remote controller (not shown) are operated.
- a speaker 113 connected to a display device is disposed at each door of the vehicle so that sounds, warning sounds, and the like linked to the display image are output.
- the first viewing direction with respect to the display unit 104 (The driver's seat direction) image that can also see the force is, for example, an image such as a map of the car navigation device power, and the image that can be seen from the second viewing direction (passenger seat direction) at the same time is, for example, a TV reception image or It can be a DVD image, etc., and viewer R in the driver's seat 107 can enjoy television and DVD while the viewer R in the passenger seat 108 receives driving assistance from car navigation.
- the driver's seat direction image that can also see the force is, for example, an image such as a map of the car navigation device power
- the image that can be seen from the second viewing direction (passenger seat direction) at the same time is, for example, a TV reception image or It can be a DVD image, etc.
- each image is displayed using, for example, the entire 7-inch screen, the screen size is not reduced as in the conventional multi-window display.
- the information desired by each viewer L, R as if there is an independent dedicated display for each force. Content can be presented.
- (a) is a diagram schematically showing a display state when the front power of the display unit 104 of the display device according to the present invention is also seen, and (b) is a cross-sectional view taken along line BB in (a). is there.
- the display unit 104 includes a liquid crystal panel 110 and a backlight 120.
- the panel 110 is disposed on the side of a pair of substrates in which a liquid crystal layer 123 is sandwiched between a TFT (Thin Film Transistor) substrate 121 and a color filter substrate 122, a parallax barrier 124, a glass substrate 125, and a force backlight 120.
- the polarizing plate 126 is sandwiched between the polarizing plate 126 and the polarizing plate 127 disposed in front of the light emitting direction.
- the liquid crystal panel 110 is disposed slightly separated from the knock light 120 and has pixels composed of RGB colors (three primary colors).
- the liquid crystal panel 110 employs, for example, a liquid crystal panel with 800 pixels in the horizontal direction and 80 pixels in the vertical direction. Each pixel of the liquid crystal panel 110 has a pixel L for the left side (passenger seat 108) and a right side.
- the driver's 107) pixel R is grouped alternately in the vertical direction so that the display is controlled.
- the parallax barriers 124 are provided at predetermined intervals in the horizontal direction (intervals where the light emission direction from each pixel can be regulated to either the right or left) and are formed in a vertical stripe pattern. Due to the parallax barrier 124, the left side (passenger seat) pixel L is blocked from being displayed on the right side (driver seat).
- the display on the left side (passenger seat) is blocked, and it is visible from the right side (driver's seat)! / That is, when the left side force is also viewed on the liquid crystal panel 110, the parallax barrier 124 covers the right side pixel R.
- the left side pixel L is visible while the right side LCD panel 110 is seen.
- the left and right display images appear to overlap.
- a parallax barrier 124 for example, the configurations disclosed in Japanese Patent Laid-Open Nos. 10-123461 and 11-84131 can be applied.
- the parallax barrier 124 may be composed of an electrically drivable liquid crystal shutter or the like so that the viewing angle can be varied.
- the left side pixel L and the right side pixel R alternately arranged in FIG. 3 have RGB colors.
- each group vertical direction it may be composed of a single color, such as R column, G column, and B column, or it may be configured as a row in which a plurality of RGB are mixed.
- FIG. 4 is a circuit diagram showing a schematic configuration of the TFT substrate 121 constituting the display unit 107.
- the TFT substrate 121 is connected to the scanning line driving circuit 131, the data line driving circuit 132, the scanning lines L 1, 2, 3,... Connected to the scanning line driving circuit 131, and the data line driving circuit 132.
- Each sub-pixel 133 includes a pixel electrode 134 for applying a voltage to the liquid crystal layer 123, and A TFT element 135 that controls the switching is formed.
- the scanning line driving circuit 131 and the data line driving circuit 132 are connected to a display panel driving unit 234, which will be described later, for driving the liquid crystal panel 110.
- the display panel driving unit 234 is connected to the scanning line driving circuit 131.
- the drive timing of the data line driving circuit 132 is controlled.
- the scanning line driving circuit 131 performs selective scanning of the TFT element 135, and the data line driving circuit 132 is configured to control the voltage applied to the pixel electrode 134.
- Each sub-pixel 133 has, for example, a data line L based on synthesized data of the first image data D1 and the second image data D2, or the first and second individual image data Dl and D2.
- first image data D1 group forming the first display image 105 and the second image data D2 group forming the second display image 106 are formed. This is done.
- the first, second, and third image data groups may be formed by the same drive control as described above.
- FIG. 5 is a block diagram schematically showing the main part of an AV (Audio Visual) navigation system employing the display device according to the present invention.
- AV Audio Visual
- the AV navigation system includes various sources including a CDZMD playback unit 201, a radio reception unit 202, a TV reception unit 203, a DVD playback unit 204, an HD (node disc) playback unit 205, and a navigation unit 206. These various sources are signal lines SL
- An input unit 207 is connected to the distribution circuit 212 via a signal line SL. External audio
- a camera for example, a rear monitoring camera
- a video camera, a game machine (not shown), or the like can also be connected.
- a selector 209 is connected to the TV receiving unit 203, and a VICS information receiving unit 210 and a GPS information receiving unit 211 are connected to the navigation unit 206.
- the distribution circuit 212 is connected to the audio adjustment circuit 213 via the signal lines SL to SL and the first image.
- the image adjustment circuit 214 and the second image adjustment circuit 215 are connected to each other.
- the audio adjustment circuit 213 is connected to the speaker 113, and the first image adjustment circuit 214 and the second image adjustment circuit 215 are connected to the signal lines SL and SL.
- the image output unit 216 is connected to the image output unit 216 via
- the signal line SL is connected to the liquid crystal panel 110 of the display unit 104 via the signal line SL.
- the rear display unit 217 is provided for the rear seat of the vehicle, and is the same as the image displayed on the display unit 104 via the image output unit 216 or an image card for the driver's seat. ⁇ One of the images for the passenger seat can be displayed.
- the display unit 104 includes a knock light 120, a liquid crystal panel 110, and a touch panel 111, and an operation signal to the touch panel 111 is input to the control unit 200.
- brightness detection means for example, a vehicle light switch or light sensor 218, occupant detection means (for example, a pressure sensor) 219, a communication unit 220 having a wireless communication function, an ETC in-vehicle device 221, a remote control A transmission / reception unit 222, an operation unit 223, and a memory 224 are connected to the control unit 200.
- the control unit 200 performs various operations via control lines CL to CL, CL to CL, CL, and the like.
- each part in the system such as source 201 to 206, distribution circuit 212, various adjustment circuits 213 to 215, image output unit 216, and display unit 104, and configured to centrally control each part of the system It has been.
- FIG. 6 is a block diagram showing a schematic configuration of the image output unit 216.
- the image output unit 216 includes a first write circuit 231 connected to the first image adjustment circuit 214, and a second The second writing circuit 232 connected to the image adjustment circuit 215 of the image, the VRAM233, and the display node ⁇ It is configured to include.
- the first writing circuit 231 receives image data corresponding to an odd-numbered column of the adjusted image data, and the second writing circuit 232 stores image data corresponding to an even-numbered column.
- the display panel driving unit 234 is a circuit for driving the liquid crystal panel 110, and is based on the image data (the combined data of the first image data D1 and the second image data D2) stored in the VRAM 233. The corresponding pixels of the liquid crystal panel 110 are driven.
- the drive circuit One operation is the same as the operation of the drive circuit of a normal liquid crystal display device.
- the first display that drives the corresponding pixel of the liquid crystal panel 110 based on each image data without combining the first image data D1 and the second image data D2.
- a configuration including a panel driving unit and a second display panel driving unit is used.
- FIG. 7 is a block diagram showing a schematic configuration of the memory 224.
- the memory 224 includes a first screen RAM 241 and a second screen RAM 242 in which image quality adjustment values of the first display image 105 and the second display image 106 set by the user can be written, respectively, and the first display image.
- the image quality setting information storage means 243 in which a plurality of adjustment values can be selected in advance for each image quality adjustment of the 105 and the second display image 106, and the first display image 105 and the second display image for the surrounding environment
- an environmental adjustment value holding means 244 that holds the adjustment state of the image quality of 106.
- the image quality setting information storage means 243 and the environmental adjustment value holding means 244 are configured by an electrically rewritable nonvolatile memory such as a flash memory or a battery-backed volatile memory! Speak.
- FIG. 8 is a block diagram showing a schematic configuration of the control unit 200.
- the control unit 200 includes an interface 251 connected to each part in the system, a CPU 252 that comprehensively controls each part in the system, and a program storage unit (ROM that stores various programs necessary for system operation). ) 253 and a data storage unit (RAM) 254 for storing various data.
- ROM253 and RAM254 are built into CPU252, Even with external devices, ROM253 can be an electrically rewritable non-volatile memory such as flash memory.
- the control unit 200 is configured to control the various sources 201 to 206 and the distribution circuit 212 on the basis of operation signals from the touch panel 111, the operation unit 223, the remote controller 225, or the like. Controls the output of image data or audio data of the source or one source, and if the image data or audio data of the selected source is image data via the distribution circuit 212, the first image adjustment circuit 214 The second image adjustment circuit 215 is controlled to distribute the audio data to the audio adjustment circuit 213, respectively. The first and second image adjustment circuits 214 and 215 adjust the brightness, color tone, contrast, and the like of the image data based on the control signal from the control unit 200, and output the adjusted image data to the image output unit 216.
- the image output unit 216 based on the control signal from the control unit 200, a process for driving the liquid crystal panel 110 to display an image is performed.
- the sound adjustment circuit 213 adjusts distribution to each speaker, volume, sound, and the like based on a control signal from the control unit 200, and outputs the sound from the adjusted sound power speaker.
- the control unit 200 also performs control to display an operation menu for controlling these various sources.
- the HD playback unit 205 when the HD playback unit 205 is selected, music data such as an MP3 file recorded on a hard disk (not shown), image data such as a JPEG file, map data for navigation, and the like are read out. Menu display and image data for selecting music data and the like are displayed on the display unit 104.
- the navigation unit 206 includes a map information storage unit (using a part of the hard disk) that stores map information used for navigation, and receives the VICS information reception unit 210 and the GPS information reception unit. The navigation image generated using the information acquired via the unit 211 can also be displayed on the display unit 104.
- the TV receiver 203 is configured to receive a desired analog TV broadcast wave or digital TV broadcast wave via the antenna 226 selected by the selector 209.
- control unit 200 performs control to change the setting of the output image and sound based on the information detected by the brightness detection unit 218 and the occupant detection unit 219.
- the communication unit 220 and the ETC on-board unit 221 are connected to the control unit 200.
- the control unit 200 controls the display unit 104 to display charge information from the ETC on-board unit 221 or wirelessly communicates with a mobile phone or the like. Control is performed such that the communication unit 220 for connection is controlled and information related to the control is displayed on the display unit 104.
- control unit 200 also performs processing for storing various setting information such as image quality setting information, programs, and vehicle information in the memory 224! /.
- FIG. 9 is a block diagram schematically showing a main part of an AV (Audio Visual) navigation system configured to include a display device employing the display control device according to the embodiment (1).
- AV Anaudio Visual
- the display device adopted in the navigation system is similar to the display device described with reference to Figs. 1 to 8 above, and displays individual images for a plurality of viewing directions on the same screen. It has a function to display on.
- the video in the present invention includes a still image and a moving image.
- 1 indicates a display device mounted in the center of the instrument panel of the vehicle.
- the display device 1 is mounted on the same vehicle via a control signal line Ll and a video signal line L2.
- Various electronic devices for example, navigation device 21, DVD playback device 22, TV receiver 23, etc. are connected!
- the navigation device 21 includes a map database (not shown), a GPS receiver, and the like.
- the map database and the GPS receiver are used to detect the current position of the vehicle and Video signals such as map video around the location are output.
- the DVD playback device 22 includes a DVD reader (not shown) and the like, and outputs the read DVD video signal.
- the TV receiver 23 includes a tuner (not shown) and the like, and outputs a received TV broadcast video signal.
- an audio device (not shown) is connected to the display device 1, and a video signal indicating an audio screen such as a CD playback screen or a music selection screen on the audio device is also output.
- the display device 1 includes a control unit 2 including a microcomputer, and a video signal input from the various electronic devices via the video signal line L2 as a control signal from the control unit 2.
- the video processing unit 3 performs processing to synthesize the video data for display based on the video signal, the video memory (VRAM) 4 that temporarily stores the video data synthesized by the video processing unit 3, and the VRAM 4 Installed on the front panel of the LCD panel 6, the LCD panel 6, and the liquid crystal panel 6 for displaying the recorded video data on the LCD panel 6 in three directions (driver seat direction, center seat direction, passenger seat direction)
- a separate display shutter 7 that enables separate display of images
- an operation unit 8 that includes various operation switches for giving operation commands for the various electronic devices and switching commands for images projected on the liquid crystal panel 6. It consists of
- FIG. 10 is a diagram (partial horizontal sectional view) schematically showing the structure of the liquid crystal panel 6 and the separation display shutter 7.
- a plurality of openings (slits) 7a are arranged on the front surface of the liquid crystal panel 6.
- the pixel rows 6a to 6c that can be viewed through the slit 7a are switched according to the viewing direction (A to C).
- the separation display shutter 7 is provided with slits 7a in one ratio with respect to the three pixel columns 6a to 6c on the liquid crystal panel 6, and each pixel column 6a To 6c by inputting different video signals (i.e., driver seat video in pixel row 6a, center seat video in pixel row 6b, and passenger seat video in pixel row 6c). Then, the pixels seen through the slit 7a, that is, the images will be different, and the driver DR present in the direction of A will make the driver's seat image visible, and the center seat occupant RE present in the direction of B will have The center seat image can be seen, and the passenger seat image in the direction of C can be seen by the passenger seat PA.
- different video signals i.e., driver seat video in pixel row 6a, center seat video in pixel row 6b, and passenger seat video in pixel row 6c.
- the display device 1 can set the display switching condition of the video signal (center seat video) input to the pixel row 6b through a setting screen (not shown).
- condition a driving Link with the video for the seat (ie, if the video for the driver's seat is switched, the video for the central seat is switched to the same video accordingly)
- condition b Link with the video for the passenger seat (ie, the video for the passenger seat) If the mode is switched, the center seat video is switched to the same video accordingly.
- Condition c No video is output to the pixel row 6b (or a black image is output instead of no video output).
- Condition d the condition desired by the user from among the conditions such as displaying the video set for the center seat Can be selected and set. Note that the video for the central seat under the above condition d can be selected and set as appropriate by the user through another setting screen (not shown).
- control unit 2 Upon detecting the display image switching signal from the operation unit 8, the control unit 2 transmits the switching signal to various electronic devices via the control signal line L1, and the various electronic devices transmit the switching signal. Based on this, video switching, video signal output control, etc. will be executed!
- control unit 2 determines which of the directions A to C the display video is switched to. Then, it is determined whether the display switching condition set by the user is related to the determined switching direction, and it is determined that the display switching condition is related to the switching direction. (I.e., if condition a is set in the display switching condition, the display video is switched in the direction A (driver's seat direction), or condition b is set in the display switching condition) In the case of display image switching in the direction C (passenger seat direction), the display image in the direction B (center seat direction) is the same as the switching direction (A direction or C direction).
- the video processing unit 3 and the panel driving unit 5 are controlled so as to switch to the display video.
- the display The video processing unit 3 and the panel driving unit 5 are controlled so as to display according to the switching condition.
- the audio signals output from the navigation device 21, the DVD playback device 22, and the TV receiver 23 are output via an amplifier and a speaker connected to an audio device (not shown). ing.
- control unit in the display device 1 in which the display control device according to the embodiment (1) is adopted is adopted
- step 2 The processing operation performed in step 2 will be described based on the flowchart shown in FIG. This processing operation is repeatedly executed during the operation of the display control device.
- step S1 it is determined whether or not there has been an operation for performing a separate display. If it is determined that there has been an operation for performing a separate display, the process is terminated, while an operation for performing a separate display is performed. If so, go to step S2.
- step S2 it is determined what the display switching condition for the center seat image is, and if it is determined that the display switching condition is condition a (ie, linked to the driver seat image), the process proceeds to step S3.
- step S3 the process of switching the center seat image and the driver seat image to the same image, for example, if the driver seat image is a map image of the navigation device, the center seat image is also switched to the map image. Processing (that is, processing for inputting a map video signal to the pixel columns 6a and 6b in FIG. 10) is performed, and then the processing ends.
- step S2 If it is determined in step S2 that the display switching condition is condition b (ie, linked to the passenger seat image), the process proceeds to step S4.
- step S4 the process of switching the center seat video and the passenger seat video to the same video, for example, if the passenger seat video is a DVD video, the central seat video is also switched to the DVD video (that is, FIG. 10).
- step S2 If it is determined in step S2 that the display switching condition is condition c (that is, the center seat image is not displayed), the process proceeds to step S5. In step S5, a process that does not output the image for the central seat (that is, a process that does not input the video signal to the pixel row 6b in FIG. 10) is performed, and then the process ends.
- condition c that is, the center seat image is not displayed
- step S6 the display switching condition is condition d (that is, the video set for the central seat is displayed in the video for the central seat)
- the process proceeds to step S6.
- the video set for the central seat is displayed as the video for the central seat.For example, if the TV video is set in advance as the video for the central seat, the TV video is displayed as the video for the central seat. Processing (that is, processing for inputting a TV video signal to the pixel row 6 b in FIG. 10) is performed, and then the processing ends.
- FIG. I Next, another processing operation performed by the control unit 2 in the display device 1 in which the display control device according to the embodiment (1) is adopted is shown in FIG. I will explain. This processing operation is executed when the display control device is operating and displayed separately.
- step S11 it is determined which of the driver seat direction, the center seat direction, and the passenger seat direction the display image switching operation has been performed, and a table for the driver seat direction is displayed. If it is determined that the display video switching operation has been performed, the process proceeds to step S12.
- step S12 it is determined whether or not the display switching condition for the center seat video is the above-described condition a. If it is determined that the display switching condition is condition a, the process proceeds to step S13. In step S13, a process of switching the center seat image and the driver seat image to the same image is performed, and then the processing ends.
- step S12 determines whether the display switching condition is not condition a. If it is determined in step S12 that the display switching condition is not condition a, the process proceeds to step S14. In step S14, a process of switching only the driver seat image is performed, and then the process ends.
- step S11 If it is determined in step S11 that the display image switching operation for the passenger seat direction has been performed, the process proceeds to step S15. In step S15, it is determined whether or not the display switching condition is condition b described above. If it is determined that the display switching condition is condition b, the process proceeds to step S16. In step S16, a process of switching the center seat image and the passenger seat image to the same image is performed, and then the process ends.
- step S 15 if it is determined in step S 15 that the display switching condition is not the condition b, the process proceeds to step S 17. In step S17, a process for switching only the passenger seat image is performed, and then the process ends.
- the display device 1 According to the display device 1 according to the above embodiment (1), it is based on the preset display switching condition of the center seat video! / Because the display video switching control for the direction in which the center seat occupant RE exists is performed, the display video for the direction of the center seat occupant RE can be automatically switched to the state desired by the user. It is possible to realize control that eliminates the trouble of switching the display image with respect to the direction of the seat occupant RE, and increases the visibility of each display image displayed in a different direction.
- the t ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ condition is set to switch the display image for the direction of the center seat occupant RE to the same image as the display image for the direction in which the driver DR exists!
- the display image for the direction of the driver DR is switched, the display image for the direction of the center seat occupant RE is also switched in conjunction with the switching of the display image for the direction of the driver DR.
- the center seat occupant RE can always enjoy the same image as the driver DR without switching operation.
- the display switching condition for the center seat image is set to switch the display image for the direction of the center seat occupant RE to the same image as the display image for the direction of the passenger occupant PA
- the display image for the direction of the center seat occupant RE is also switched in conjunction with the switching of the display image for the direction of the passenger occupant PA.
- the center seat occupant RE can always enjoy the same image as the passenger occupant PA without switching operation.
- the display switching condition for the center seat image if the display image for the direction of the center seat occupant RE is not output and the ⁇ ⁇ condition is set, the direction for the driver DR If the display image and the display image for the direction of the passenger occupant PA are mixed and the image becomes difficult to see, the influence (crosstalk effect) can be reduced, and the driver DR and the passenger occupant PA In contrast, a clearer and better image can be visually recognized.
- the switching condition of the center seat video is set as the display switching condition.
- the switching of the passenger seat video is performed. It may be possible to set a condition or a switching condition between the image for the center seat and the image for the passenger seat. For example, when there is no passenger in the passenger seat, it is possible to set a condition that no video is output in the direction of the passenger seat. Whether or not there is a passenger in the passenger seat can be determined based on, for example, a signal from a seating sensor provided in the passenger seat.
- FIG. 13 includes a display device that employs the display control device according to the embodiment (2). It is the block diagram which showed roughly the principal part of the AV 'navigation system formed. However, components having the same functions as those of the AV navigation system shown in FIG. 9 are denoted by the same reference numerals, and description thereof is omitted here.
- 1A indicates a display device mounted in the center of the instrument panel of the vehicle.
- the display device 1A is mounted on the same vehicle via the control signal line Ll and the video signal line L2.
- Various electronic devices for example, navigation device 21, DVD playback device 22, TV receiver 23, etc. are connected!
- the display device 1A includes a control unit 2A including a microcomputer, a video processing unit 3, a VRAM 4, a panel driving unit 5, a liquid crystal panel 6, and each video displayed on the liquid crystal panel 6.
- Displayed memory 10 video memory (VRAM) 11 in which image data indicating the read shutter pattern is temporarily stored, and image data indicating the shutter pattern stored in VRAM 11 are displayed.
- the shutter driving unit 12 that drives the liquid crystal shutter 9 and the operation unit 8 are included.
- FIG. 14 is a partial horizontal sectional view schematically showing the structure of the liquid crystal panel 6 and the liquid crystal shutter 9 constituting the display device 1A.
- the liquid crystal panel 6 has a configuration in which a liquid crystal layer 63 is sealed between a TFT side substrate module 61 and a counter electrode side substrate module 62.
- the TFT substrate module 61 includes a TFT substrate 6 la in which a transparent conductive film (including a pixel electrode and a drive transistor) (both not shown) is formed on a glass substrate (front side), and a TFT substrate 61 a An alignment film (not shown) is formed on the transparent conductive film, and a backlight 64 is provided on the back side of the TFT-side substrate module 61. It is arranged.
- the counter electrode side substrate module 62 includes a glass substrate 62a, a color filter substrate 62b disposed on the back side of the glass substrate 62a, and a polarizing plate 62c disposed on the front side of the glass substrate 62a. It consists of An alignment film and a transparent conductive film (counter electrode) (not shown) are formed on the back side of the color filter substrate 62b.
- the liquid crystal shutter 9 is disposed on the front side of the liquid crystal panel 6, and is a TFT substrate disposed on the polarizing plate 62c of the liquid crystal panel 6 (a transparent conductive film is formed on a glass substrate).
- liquid crystal layer 94 enclosed in the liquid crystal layer 94.
- FIG. 15 is a diagram (partial horizontal cross-sectional view) schematically showing the structure of the liquid crystal panel 6 and the liquid crystal shutter 9 shown in FIG.
- the liquid crystal shutter 9 is disposed on the front surface of the liquid crystal panel 6 and controls whether to apply a voltage to each liquid crystal element 9b constituting the liquid crystal shutter 9 (that is, each of the transparent conductive films formed on the TFT substrate 91).
- the light transmission state of each liquid crystal element 9b can be controlled so that the slit 9a that can transmit light can be formed at an arbitrary position.
- FIG. 15 shows an example of a shutter pattern in the case where separate display is performed in three directions A to C (driver seat direction, center seat direction, and passenger seat direction).
- Data relating to the shutter pattern (shape) for forming the slit 9a is stored in advance in the memory 10, and the control unit 2A reads out the shutter pattern corresponding to the viewing area change command from the memory 10, Based on the read shutter pattern, drive control of the LCD shirt 9 is performed! By controlling the liquid crystal shutter 9 in this way, it is possible to change the visual recognition area (the visible ratio) of the video that is separately displayed in different directions.
- the drive control of the liquid crystal shutter 9 performed by the control unit 2A is performed according to, for example, 1) the number of images displayed on the liquid crystal panel 6, or 2) the type (separation) of the images displayed on the liquid crystal panel 6. Depending on the state of the displayed video, etc.), 3) when the user changes the viewing area, or 4) when the user operates the video (for example, navigation This can be done when there are various menu operations on the Yon device, DVD chapter selection operations, etc.).
- the conditions for driving the liquid crystal shutter 9 can be set by a user through a setting screen (not shown).
- control unit 2A controls the driving of the liquid crystal shutter 9 to view each of the separated images.
- control of adjusting the display resolution of each video is performed corresponding to the variable control of the visual recognition area, and the adjustment of the display resolution of each video is performed using the liquid crystal shutter 9.
- the variable control of the viewing area has been implemented.
- FIG. 16 is a diagram for explaining the drive control of the liquid crystal shutter 9 performed by the control unit 2A and the video output control to the liquid crystal panel 6 performed according to the number of images projected on the liquid crystal panel 6.
- FIG. 16 is a diagram for explaining the drive control of the liquid crystal shutter 9 performed by the control unit 2A and the video output control to the liquid crystal panel 6 performed according to the number of images projected on the liquid crystal panel 6.
- Fig. 16 (a) shows a state where a map image (NAVI) is displayed for the driver DR, the center seat occupant RE, and the passenger seat occupant PA (separate display! , State).
- NAVI map image
- all the liquid crystal elements 9b of the liquid crystal shutter 9 are controlled so as to be in a transmissive state, while only the map video signal G is input to each pixel column constituting the liquid crystal panel 6.
- FIG. 16 (b) shows a state where the driver DR visually recognizes the map image and the passenger seat occupant PA performs a separate display for visually recognizing the DVD image (DVD).
- the liquid crystal shutter 9 is controlled by a shutter turn that separates and displays the direction of the driver DR and the direction of the passenger occupant PA, while each pixel column constituting the liquid crystal panel 6 includes a map image.
- Signal G and DVD video signal G are input alternately.
- the driver DR visually recognizes the map image
- the center seat occupant RE visually recognizes the TV image (TV)
- the passenger seat occupant PA receives the DVD image.
- the liquid crystal shutter 9 shows a separate display for visual recognition.
- the LCD shutter 9 is a shutter that separates the direction of the driver DR, the direction of the center seat occupant RE, and the direction of the passenger occupant PA.
- each pixel row constituting the liquid crystal panel 6 is controlled by the pattern, and the map video signals G and T
- V video signal G and DVD video signal G are input alternately.
- FIG. 17 is a diagram for explaining the drive control of the liquid crystal shutter 9 and the video output control to the liquid crystal panel 6 performed by the control unit 2A, which are performed according to the type of video displayed on the liquid crystal panel 6.
- FIG. 17 is a diagram for explaining the drive control of the liquid crystal shutter 9 and the video output control to the liquid crystal panel 6 performed by the control unit 2A, which are performed according to the type of video displayed on the liquid crystal panel 6.
- Fig. 17 (a) shows a state in which a map image (NAVI) is being displayed for the driver DR and the passenger occupant PA (the state is shown with separate display) (Fig. 17). 16 Same state as (a). Then, a separate display that allows the passenger occupant PA to visually recognize the DVD image is displayed from the user via the operation unit 8. When instructed, the display state shown in FIG. 17 (b) is switched.
- NAVI map image
- the priority order of the video for expanding the viewing area is set in advance, and in this case, the priority order is set in the order of DVD video, TV video, map video, CD video (CD playback screen) ( DVD video has the highest priority).
- the user can set it through a predetermined setting screen.
- the liquid crystal shutter 9 is controlled by a shutter turn that widens the visual recognition area of the DVD video, while each pixel row constituting the liquid crystal panel 6 includes the map video signal G and the DVD.
- the video signal G is input at a ratio of 1: 2, and the display resolution of the DVD video
- the adjustment to raise is performed.
- the proportion of DVD video signal G is further increased.
- the state shown in Fig. 17 (b) is switched to the state shown in Fig. 17 (c).
- the liquid crystal shutter 9 is controlled to have a shutter pattern that widens the visual recognition area of the map video, while each pixel row constituting the liquid crystal panel 6 has a map video signal G and a CD video signal G of 2: 1. Enter at the rate of
- Adjustments are being made to increase the display resolution of map images. It is also possible to adjust the ratio of the map video signal G further.
- Fig. 18 shows the drive control of the liquid crystal shutter 9 performed in the control unit 2A, which is performed when the user changes the viewing area or when the display image is operated.
- 4 is a diagram for explaining video output control to the liquid crystal panel 6.
- FIG. 18 (a) shows a state in which the driver DR visually recognizes a map image, and the passenger occupant PA has a separate display for visually recognizing a DVD image (DVD).
- the liquid crystal shutter 9 is controlled by a shutter turn that separates and displays the direction of the driver DR and the direction of the passenger occupant PA, while each pixel column constituting the liquid crystal panel 6 includes a map image.
- Signal G and DVD video signal G are input alternately.
- the display state is switched to that shown in FIG. 17 (b). That is, the liquid crystal shutter 9 is controlled to have a shutter pattern that widens the visual recognition area of the DVD video, while the pixel video signal G and the DVD video signal G are included in each pixel row constituting the liquid crystal panel 6. And are input at a ratio of 1: 2, and adjustments are made to increase the display resolution of DVD images.
- step S21 it is determined whether or not there has been a switching operation for the number of videos to be displayed separately. If it is determined that there has not been a switching operation for the number of videos to be displayed separately, the process ends, while the number of videos to be displayed separately. If it is determined that the switching operation has been performed, the process proceeds to step S22.
- step S22 a process for determining the number of videos to be displayed separately is performed, and then the process proceeds to step S23.
- step S23 the liquid crystal shutter 9 is driven and controlled so that a shutter pattern corresponding to the determined number of images is formed, that is, data indicating the shutter pattern corresponding to the determined number of images is read from the memory 10.
- the image data is written in the VRAM 11, and the shutter drive unit 12 is driven to output to the liquid crystal shutter 9, and then the process proceeds to step S24.
- step S24 video output control to the liquid crystal panel 6 according to the determined number of videos, that is, video data is synthesized according to the determined number of videos and written to the VRAM 4, and the panel drive unit Drive 5 to perform output processing to the liquid crystal panel 6 and then finish the processing.
- step S31 it is determined whether or not a separate display operation (including an operation for switching to a separate display or a video switching operation during the separate display) has occurred, and the separate display operation is effective. If it is determined that the operation has been performed, the process ends. If it is determined that an operation for separation display has been performed, the process proceeds to step S32.
- a separate display operation including an operation for switching to a separate display or a video switching operation during the separate display
- step S32 the type of video displayed separately (for example, map video, DVD video, T Performs processing to determine the power of V video or CD video, and then proceeds to step S33.
- step S33 control of the liquid crystal shutter 9 according to the determined video type, for example, if the driver's seat video is a map video and the passenger seat video is a DVD video, a shutter pattern that expands the visual recognition area of the DVD video is stored in memory. Read from 10, write to VRAM11, and output to liquid crystal shutter 9, then proceed to step S34.
- step S34 video output control to the liquid crystal panel 6 according to the determined video type, for example, if the driver's seat video is a map video and the passenger seat video is a DVD video, the liquid crystal panel 6 The ratio of the DVD video signal that is input to the pixel row is increased to display a video with an increased display resolution of the DVD video, and then the processing ends.
- step S41 it is determined whether or not there has been an operation for changing the viewing area for any of the images. If it is determined that the operation for changing the viewing area has been successful, the process is terminated. If it is determined that an area change operation has been performed, the process proceeds to step S42.
- step S42 a process for determining a video in which a viewing area change operation has been performed is performed, and then the process proceeds to step S43.
- step S43 the process of driving and controlling the liquid crystal shutter 9 so as to expand the visual recognition area of the determined video, for example, when the operation of changing the visual recognition area for the driver's seat video is performed, the visual recognition area of the driver's seat video Reads out the shutter pattern that widens the image from the memory 10, writes it in the VRAM 11, and outputs it to the liquid crystal shutter 9, and then proceeds to step S44.
- step S44 the video output control to the liquid crystal panel 6 according to the determined video, for example, the liquid crystal panel 6 is set so as to correspond to a shutter pattern that widens the field of view of the driver seat video.
- the ratio of the signal for the driver seat image input to the pixel row is increased to display the image with an increased display resolution of the driver seat image, and then the processing ends.
- the shutter pattern corresponding to the viewing area change condition is read from the memory 10, and the display image is visually recognized by the liquid crystal shutter 9 based on the shutter pattern. Since the variable control of the area is performed, The recognition area can be freely changed to a predetermined pattern, and various video displays can be realized. In addition, since display control is performed so that variable control of the viewing area of the display image corresponds to the display resolution of the display image displayed on the liquid crystal panel 6, the display resolution can be adjusted to correspond to the change of the viewing area of the display image.
- the raised video can be displayed, the viewing area of the predetermined video can be expanded or narrowed, and the visibility of the predetermined video can be improved.
- the control for changing the viewing area of the display image and the adjustment control for the display resolution of the display image are performed in association with each other according to the number of images displayed on the liquid crystal panel 6, the liquid crystal panel 6 As the number of images projected on the screen decreases, the resolution of the displayed image can be increased and the visibility can be improved.
- the control for changing the viewing area of the display image and the control for adjusting the display resolution of the display image are performed in association with each other according to the type of image displayed on the liquid crystal panel 6, the viewing area It is possible to increase the display resolution of images with widening and improve visibility.
- control for changing the viewing area of the display image and control for adjusting the display resolution of the display image in accordance with the operation for changing the viewing area for the V-shifted image displayed on the liquid crystal panel 6 are performed in association with each other, so that the display resolution of the video with an expanded viewing area can be increased, and the visibility can be improved.
- control for changing the viewing area of the display image and control for adjusting the display resolution of the display image are performed in association with each other on the operation of any image displayed on the liquid crystal panel 6. Therefore, the visual field area of the image where the operation is detected can be widened and the display resolution can be increased, and the visibility and operability can be improved.
- the visual field area of the operated video is controlled. It may be configured such that control for narrowing or instructing whether to widen or narrow the visual field area and performing control for changing the visual field area of the video according to the instruction operation.
- FIG. 22 is a block diagram showing a schematic configuration of an in-vehicle device in which the display device according to the embodiment (3) is adopted. However, it has the same function as the display device 1A shown in FIG. The same reference numerals are assigned to the components.
- the in-vehicle device 30 includes a main control unit 31, a navigation unit 32, an AV (audio 'visual) unit 33 , an operation input receiving unit 41, a vehicle speed sensor 42, a transmission mechanism state detection unit 43, and a brake state detection unit. 44, a display processing unit 51, an audio processing unit 52, a liquid crystal shutter 9, a display (hereinafter referred to as a liquid crystal panel) 6, and a speaker 53.
- the operation input receiving unit 41 is a processing unit that receives an operation input from an occupant using a touch panel or the like.
- the vehicle speed sensor 42 is a sensor that detects the traveling speed of the host vehicle from the tire rotational speed of the host vehicle, and the transmission mechanism state detection unit 43 is a sensor that acquires the state of the speed change mechanism of the host vehicle.
- the brake state detection unit 44 is a sensor that detects the operation state of the braking mechanism of the host vehicle.
- the navigation unit 32 is a unit for setting and guiding the travel route of the host vehicle. Specifically, the navigation unit 32 obtains the current position of the host vehicle by GPS (Global Positioning System) and generates map data. The road on which the vehicle is traveling is identified using and the route guidance is executed using the liquid crystal panel 6 and the speaker 53.
- GPS Global Positioning System
- the AV unit 33 is a unit that provides the vehicle occupant with content data obtained by reception of radio broadcasts, television broadcasts, and the like, and content data from which the recording medium power such as CD, DVD, and HD is also read.
- the AV unit 33 includes therein an audio function 33a, a DVD playback function 33b, and a game function 33c.
- the main control unit 31 is a control unit that controls each part of the in-vehicle device 30, and receives inputs from the operation input receiving unit 41, the vehicle speed sensor 42, the transmission mechanism state detecting unit 43, and the brake state detecting unit 44.
- the operation of the navigation unit 32 and the AV unit 33 is controlled, and the image output to the liquid crystal panel 6 through the display processing unit 51 and the audio output to the speaker 53 through the audio processing unit 52 are controlled.
- the speaker 53 is a device that outputs sound to the occupant, and the output content is created by the sound processing unit 52.
- the liquid crystal panel 6 is a device that performs display output to the occupant, and the display content is created by the display processing unit 51.
- the liquid crystal shutter 9 is directivity control means for controlling the directivity of display output by the liquid crystal panel 6.
- the liquid crystal panel 6 and the liquid crystal shutter 9 have substantially the same structure as that shown in FIG.
- the turter 9 is driven and controlled by a liquid crystal shutter control unit 51c of the display processing unit 51.
- the main control unit 31 includes a driver input / output control unit 31a, a non-driver input / output control unit 31b, and a time-division interlocking control unit 31c.
- the driver input / output control unit 31a is a control unit that receives the operation input of the driver force and controls the output to the driver
- the non-driver input / output control unit 31b is a non-driver In this form, it is a control unit that controls the reception of operation inputs from passengers in the passenger seat) and the output to non-drivers.
- the display output to the driver by the driver input / output control unit 31a and the display output to the non-driver (passenger in the passenger seat) by the non-driver input / output control unit 31b are Are simultaneously executed by the liquid crystal panel 6.
- the time-division interlocking control unit 31c switches and outputs the display output for the driver and the display output for the non-driver in a time-sharing manner for every display element.
- Switching timing and directivity switching timing with LCD shutter 9 By linking, the display output for the driver and the display output for the non-driver are overlapped without reducing the resolution.
- the display processing unit 51 includes a driver seat side display processing unit 5 la, a passenger seat side display processing unit 5 lb, a liquid crystal shutter control unit 51 c, and a luminance correction unit 5 Id.
- the driver's seat side display processing unit 5 la is a processing unit that creates the display in the direction of the driver's seat, that is, the display to the driver.
- the passenger seat side display control unit 51b displays in the direction of the passenger's seat That is, it is a processing unit that creates display contents for a non-driver seated in a passenger seat.
- the display output created by the driver side display processing unit 51a and the passenger side display control unit 51b is created at a bit rate about twice that of the normal display output, and is sufficient when displayed in time division. It is desirable to ensure a smooth display.
- the liquid crystal shutter control unit 51 is a control unit that controls the driving operation of the liquid crystal shutter 9, and the brightness correction unit 5 Id is created by the driver seat side display processing unit 5 la and the passenger seat side display control unit 5 lb. It has a function to correct the brightness of the displayed contents! By correcting the brightness correction unit 51d to increase the brightness as the visible time ratio of the display is smaller, each display output can have sufficient brightness when displayed in time division. It has become.
- the in-vehicle device 30 switches between the driver side display state and the passenger side display state shown in FIG. 24 in a time-sharing manner, and displays individual displays in different directions (ie, the driver seat direction and the passenger seat direction). Since the output is performed, each display is possible regardless of whether it is displayed on the driver's seat or on the passenger's seat.
- the contents are output using all the liquid crystal display units (display elements), and the resolution (that is, the number of effective pixels) is not lowered.
- the switching density between the driver side display state and the passenger side display state that is, the ratio of the display time between the driver display output and the non-driver display output must always be 1: 1. It is desirable to change as needed.
- the ratio between the state and the passenger side display state is 1: 2, and it is desirable to increase the density of the passenger side display state. This is because it is possible that the passenger in the front passenger seat watches the DVD playback output while the driver does not stare at the liquid crystal panel 6 while the vehicle is running, that is, during driving.
- the portion of the liquid crystal shutter 9 corresponding to the area for displaying the common content may be controlled to be always open as shown in FIG. If the liquid crystal shutter 9 in the area displaying the common contents is always opened, the image quality in that area can be easily improved.
- each display created by the driver input / output control unit 31a and the non-driver input / output control unit 31b The output is switched and output in a time-sharing manner by the time-division interlocking control unit 31c, and the display content switching timing and the directivity switching timing by the liquid crystal shutter 9 are linked, that is, controlled to synchronize. Different display outputs can be superimposed on the driver side and non-driver side without reducing the resolution. It should be noted that the liquid crystal shutter 9 can realize the same function by a configuration in which the light shielding position can be changed electrically or mechanically.
- the configuration of the in-vehicle device 30A employing the display device according to the embodiment (4) is substantially the same as the in-vehicle device 30 shown in FIG. 22 except for the main control unit 31A and the display processing unit 51A. Therefore, the main control unit 31A and the display processing unit 51A having different functions are denoted by different reference numerals, and other components having the same function are denoted by the same reference numerals, and the description thereof is omitted.
- the time-division interlocking control unit 31c switches between the display output for the driver and the display output for the non-driver in a time-sharing manner for every display element.
- switching timing of each display output and directivity switching by liquid crystal shutter 9 Embodiment (4)
- the time-division interlocking control unit 31d displays the driver display output and the non-driver display output on the same screen.
- the output pattern including and is switched in a time-sharing manner, and the switching timing of the output pattern and the directivity switching timing by the liquid crystal shutter 9 are linked to each other! Unlike the in-vehicle device 30 according to 3).
- FIG. 28 is an explanatory diagram for explaining a display method by time-division interlocking control performed by the main control unit 31A in the in-vehicle device 30A according to the embodiment (4).
- the driver's side image signal D and the passenger's side image signal P are alternately output to each pixel column of the screen constituting the liquid crystal panel 6 (alternately Output pattern).
- each pixel column constituting the LCD shutter 9 is a light-shielding pattern that is displayed separately on the driver side and the passenger side corresponding to the alternate output pattern, that is, the driver side image signal D is on the right side (passenger seat).
- each pixel of the liquid crystal panel 6 in which the driver's seat side image signal D was output in the first display state is output in the first display state.
- the passenger side image signal P is output to the column, and the driver side image signal D is output to each pixel column of the liquid crystal panel 6 from which the passenger side image signal P was output.
- 9 is a shading pattern that is displayed separately on the driver's seat and passenger's side in conjunction with the switching of the display contents for each pixel row on the LCD panel 6, that is, the driver's seat image signal D is on the right side (passenger's seat).
- the number of output frames per unit time is set to be twice or more that of the prior art, thereby superimposing the first display state image and the second display state image in time, A driver who does not reduce the resolution (ie, effective pixel count) due to the afterimage effect. It is possible to make the display output for the driver visible to the non-driver (passenger seat passenger) and the display output for the non-driver.
- liquid crystal shutter 9 is completely shielded before and after switching between the first display state and the second display state (the light is not transmitted to either the driver seat or the passenger seat). It is preferable to have a configuration in which
- the time-division interlocking control unit 3 Id time-divisions the output pattern including the display content for the driving seat direction and the display content for the passenger seat direction. Since the output timing of the output pattern and the directivity (light-shielding pattern for separate display) switching timing of the liquid crystal shutter 9 are linked to each other, the display contents for the driver's seat direction and the passenger's seat direction are linked. Even if the display contents for the are output simultaneously on the screen in an alternate output pattern, the switching timing of the output pattern and the switching timing of the directivity by the liquid crystal shutter 9 are linked, that is, synchronized.
- the display content for the driver's seat direction and the display content for the passenger seat direction are mixed in time to reduce the resolution. No image can be obtained, by utilizing the afterimage phenomenon eye, it is possible to obtain a display device which performs different display outputs in a plurality of directions without reducing the resolution.
- FIG. 29 is a diagram for explaining a light shielding pattern of the liquid crystal shutter 9 in the in-vehicle apparatus according to another embodiment.
- FIG. 29A is a diagram illustrating an output pattern of the liquid crystal panel 6 and driving of the liquid crystal shutter 9 at the first timing.
- (B) schematically shows the output pattern of the liquid crystal panel 6 and the drive pattern of the liquid crystal shutter 9 at the second timing.
- the liquid crystal shutter 9 is arranged so as to be shifted by half a dot with respect to the liquid crystal panel 6.
- Fig. 29 shows a case where each pixel constituting the liquid crystal shutter 9 is driven and controlled so as to have a grid-like (houndstooth check) light-shielding pattern. Switching the grid-like output pattern including image signal D and passenger-side image signal P in a time-sharing manner The output timing of the grid-like output pattern and the liquid crystal shutter
- the first timing image and the second timing image are temporally superimposed, and for the driver who does not reduce the resolution due to the afterimage effect, It is possible for non-drivers (passenger seat passengers) to see the contents of the display output for non-drivers. According to such a configuration, it is possible to display the driver side image and the passenger side image more clearly.
- the ratio of the number of pixels (pixel size) of the liquid crystal shutter 9 to the number of pixels (pixel size) of the liquid crystal panel 6 is increased (for example, 1: 2 or more).
- the pattern can be controlled, and the viewing angle can be adjusted with high accuracy.
- the display control device, the display device, and the display method according to the present invention are applied to an in-vehicle display device.
- the display control device, the display device, and the display method are not limited to in-vehicle use, but can be applied to a display device for home use or the like.
- the display control device, the display device, and the display method according to the present invention are useful for display output to a display unit that can display individual videos for a plurality of viewing directions on the same screen.
- it is suitable for improving operability and resolution when displaying and outputting individual images in each direction.
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Controls And Circuits For Display Device (AREA)
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- Liquid Crystal Display Device Control (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020077009986A KR100869673B1 (ko) | 2004-11-30 | 2005-11-24 | 표시제어장치 및 표시장치 |
US11/666,552 US20090002268A1 (en) | 2004-11-30 | 2005-11-24 | Display Control Device, Display Device, and Display Method |
KR1020087006763A KR100869674B1 (ko) | 2004-11-30 | 2005-11-24 | 표시제어장치, 표시장치, 및 표시방법 |
CN2005800366587A CN101048811B (zh) | 2004-11-30 | 2005-11-24 | 显示控制装置及显示装置 |
KR1020087006764A KR100886844B1 (ko) | 2004-11-30 | 2005-11-24 | 표시제어장치, 표시장치, 및 표시방법 |
EP05809431A EP1818905A4 (en) | 2004-11-30 | 2005-11-24 | DISPLAY CONTROL DEVICE, DISPLAY DEVICE, AND DISPLAY METHOD |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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JP2004-347328 | 2004-11-30 | ||
JP2004347328 | 2004-11-30 | ||
JP2005084317 | 2005-03-23 | ||
JP2005-084317 | 2005-03-23 | ||
JP2005-257334 | 2005-09-06 | ||
JP2005257334A JP2006184859A (ja) | 2004-11-30 | 2005-09-06 | 表示制御装置、及び表示装置 |
Publications (1)
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WO2006059528A1 true WO2006059528A1 (ja) | 2006-06-08 |
Family
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PCT/JP2005/021556 WO2006059528A1 (ja) | 2004-11-30 | 2005-11-24 | 表示制御装置、表示装置、及び表示方法 |
Country Status (5)
Country | Link |
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US (1) | US20090002268A1 (ja) |
EP (1) | EP1818905A4 (ja) |
KR (3) | KR100869674B1 (ja) |
CN (3) | CN101409064B (ja) |
WO (1) | WO2006059528A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
CN101048811A (zh) | 2007-10-03 |
CN101409063A (zh) | 2009-04-15 |
KR20070059205A (ko) | 2007-06-11 |
EP1818905A1 (en) | 2007-08-15 |
KR20080032009A (ko) | 2008-04-11 |
KR100869674B1 (ko) | 2008-11-21 |
KR100886844B1 (ko) | 2009-03-04 |
CN101409064B (zh) | 2012-05-09 |
EP1818905A4 (en) | 2012-01-18 |
US20090002268A1 (en) | 2009-01-01 |
KR20080032010A (ko) | 2008-04-11 |
CN101409063B (zh) | 2012-05-09 |
KR100869673B1 (ko) | 2008-11-21 |
CN101048811B (zh) | 2011-12-14 |
CN101409064A (zh) | 2009-04-15 |
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