CN107229146B - Display apparatus and display method - Google Patents
Display apparatus and display method Download PDFInfo
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- CN107229146B CN107229146B CN201610179476.5A CN201610179476A CN107229146B CN 107229146 B CN107229146 B CN 107229146B CN 201610179476 A CN201610179476 A CN 201610179476A CN 107229146 B CN107229146 B CN 107229146B
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- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
Abstract
The disclosure relates to a display device and a display method, and belongs to the technical field of image display. The present disclosure provides a display apparatus, including: the display device comprises a control unit, a display driving unit connected with the control unit, a display panel connected with the display driving unit, and a barrier panel positioned on the display panel; a plurality of display barriers which are arranged in parallel and at intervals are distributed on the barrier panel; the control unit is used for sending display image frames to the display driving unit; the display driving unit is used for driving the display panel to display and display image frames on a plurality of display areas which are arranged in parallel and at intervals, and each display area is used for respectively displaying a part of display contents in the display image frames. The present disclosure provides a display device that provides a visible range of narrow viewing angles.
Description
Technical Field
The present disclosure relates to the field of image display technologies, and in particular, to a display device and a display method.
Background
A display screen is one of the most common input and output devices on an electronic device. The display screen has the capability of displaying text information, image information and video information.
The current display screen is a wide-viewing-angle display screen generally, and the viewing angle is approximately in the range of 120-170 degrees. When a user uses the electronic device in a crowded place such as a bus and a subway, the user is likely to be seen by other people around the user to see the content on the display screen, and the privacy of the user is leaked.
Disclosure of Invention
In order to solve the problem that when a display screen is a wide-viewing-angle display screen, other people around the display screen can easily see display contents on the display screen, which causes privacy disclosure of a user, the embodiment of the disclosure provides a display device and a display method. The technical scheme is as follows:
according to a first aspect of embodiments of the present disclosure, there is provided a display apparatus including: the display device comprises a control unit, a display driving unit connected with the control unit, a display panel connected with the display driving unit, and a barrier panel positioned above the display panel; a plurality of display barriers which are arranged in parallel and at intervals are distributed on the barrier panel;
the control unit is used for sending display image frames to the display driving unit;
the display driving unit is used for driving the display panel to display the display image frames on a plurality of display areas which are arranged in parallel and at intervals, and each display area is used for respectively displaying a part of display contents in the display image frames;
the display content displayed in each display area is projected to a preset visual range through a light transmission area between two adjacent display barriers on the barrier panel.
Optionally, the display driving unit is configured to determine, on the display panel, positions of the plurality of display areas arranged in parallel and at intervals according to pre-stored position information; splitting the display image frame to obtain display contents respectively corresponding to each display area; and driving each display area to respectively display the corresponding display content according to the position.
Optionally, the control unit is further configured to send a position determination instruction to the display driving unit;
the display driving unit is used for determining the positions of the plurality of display areas which are arranged in parallel and at intervals on the display panel according to the position determination instruction; splitting the display image frame to obtain display contents respectively corresponding to each display area; and driving each display area to respectively display the corresponding display content according to the position.
Optionally, the position determination instruction is used to indicate the position of each display area;
correspondingly, the control unit is further configured to determine the position of each display area according to the distance between the two eyes of the human eye, the projection coordinates of the human eye on the barrier panel, the distance between the human eye and the barrier panel, and the distance between the barrier panel and the display panel.
Optionally, the barrier panel is a film material on which the plurality of display barriers arranged in parallel and at intervals are distributed.
Optionally, the predetermined visual range is a range determined according to a binocular distance of the human eye.
Optionally, the display driving unit is further configured to drive an idle area between two adjacent display areas on the display panel to be in an inactive state, or drive the idle area between two adjacent display areas on the display panel to display predetermined disguised display content.
According to a second aspect of the embodiments of the present disclosure, there is provided a display method applied to a display apparatus, the display apparatus including: the display device comprises a control unit, a display driving unit connected with the control unit, a display panel connected with the display driving unit, and a barrier panel positioned above the display panel; a plurality of display barriers which are arranged in parallel and at intervals are distributed on the barrier panel;
the method comprises the following steps:
the control unit sends a display image frame to the display driving unit;
the display driving unit drives the display panel to display the display image frames on a plurality of display areas which are arranged in parallel and at intervals, and each display area is used for respectively displaying a part of display content in the display image frames;
the display content displayed in each display area is projected to a preset visual range through a light transmission area between two adjacent display barriers on the barrier panel.
Optionally, the driving the display panel to display the display image frame on a plurality of display regions arranged in parallel and at intervals by the display driving unit includes:
the display driving unit determines the positions of the plurality of parallel display areas arranged at intervals on the display panel according to pre-stored position information;
the display driving unit splits the display image frame to obtain display contents respectively corresponding to each display area;
and the display driving unit drives each display area to respectively display the corresponding display content according to the position.
Optionally, the method further comprises:
the control unit sends a position determination instruction to the display driving unit;
the display driving unit drives the display panel to display the display image frame on a plurality of display areas which are arranged in parallel and at intervals, and the display driving unit comprises:
the display driving unit determines the positions of the plurality of parallel display areas arranged at intervals on the display panel according to the position determination instruction;
the display driving unit splits the display image frame to obtain display contents respectively corresponding to each display area;
and the display driving unit drives each display area to respectively display the corresponding display content according to the position.
Optionally, the position determination instruction is used to indicate a position of each display area, and the method further includes:
the control unit determines the position of each display area according to the distance between the two eyes of the human eye, the projection coordinate of the human eye on the barrier panel, the distance between the human eye and the barrier panel and the distance between the barrier panel and the display panel.
Optionally, the barrier panel is a film material on which the plurality of display barriers arranged in parallel and at intervals are distributed.
Optionally, the predetermined visual range is a range determined according to a binocular distance of the human eye.
Optionally, the method further comprises:
the display driving unit drives an idle area between two adjacent display areas on the display panel to be in a non-operating state;
alternatively, the first and second electrodes may be,
the display driving unit drives an idle area between two adjacent display areas on the liquid crystal display panel to display preset camouflage display contents.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the display driving unit drives a display panel to display the display image frames on a plurality of display areas which are arranged in parallel and at intervals, and each display area is used for respectively displaying a part of display contents in the display image frames; wherein, the display content displayed in each display area is shot to a preset visual range through the light transmission area between two adjacent display barriers on the barrier panel; the problem that when the display screen is a wide-viewing-angle display screen in the related technology, other people around the display screen can easily see the display content on the display screen, so that the privacy of a user is revealed is solved; the effect that the visual range of the display panel is limited within the preset visual range, and the area outside the preset visual range can not see or can not completely see the display image frame on the display panel is achieved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a block diagram illustrating a display device according to an exemplary embodiment;
FIG. 2 is a schematic diagram of the operation of the display device according to the embodiment shown in FIG. 1;
FIG. 3 is a schematic diagram illustrating the effect of the displayed image frame in the display device according to the embodiment shown in FIG. 1;
FIG. 4 is a schematic diagram of a display device according to the embodiment of FIG. 1;
FIG. 5 is a flow chart illustrating a display method according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Embodiments of the present disclosure are directed to providing a display apparatus and a display method having a narrower viewing angle. The display device may be any electronic device with a display screen, such as a mobile phone, a tablet computer, and the like.
Fig. 1 is a block diagram illustrating a display device 100 according to an exemplary embodiment. The display apparatus 100 may implement narrow viewing angle display by a parallax barrier method. As shown in fig. 1, the display device 100 includes:
a control unit 120, a display driving unit 142 connected to the control unit 120, a display panel 144 connected to the display driving unit 142, and a barrier panel 162 positioned over the display panel 144.
The control unit 120 may be a processor or a graphics processor. The control unit 120 has the capability of outputting display image frames and issuing control instructions.
The display driving unit 142 includes a driving circuit for driving the display panel 144 to display. The Display panel 144 may be an LCD (Liquid Crystal Display) panel or an OLED (Organic Light-emitting Display) panel. Optionally, when the display panel 144 is an LCD panel, the display device 100 further includes a backlight positioned below the LCD panel.
A plurality of display barriers are distributed on the barrier panel 162 in parallel and at intervals. The display barrier on the barrier panel 162 can block the display contents located therebelow. In one possible embodiment, the barrier panel 162 is a film material with a plurality of display barriers arranged in parallel and at intervals. The display barrier on the barrier panel 162 has poor light transmittance, and the display barrier may be made of a material that is translucent, opaque, or blurry above a first threshold. The area between two adjacent display barriers is a light transmission area, and the light transmission area has better light transmission. For example, the light transmittance of the light-transmitting region is greater than a second threshold, such as 80%.
Referring to fig. 2 in combination, fig. 2 shows an operation diagram of the display device 100 provided in the present embodiment. The left-side portion (a) in fig. 2 is a side schematic view of the display panel 144 and the barrier panel 162. The barrier panel 162 is positioned above the display panel 144. The upper right (b) portion in fig. 2 is a schematic front view of the barrier panel 162; the lower right (c) portion in fig. 2 is a schematic front view of the display panel 144.
A control unit 120 for sending the display image frame to the display driving unit 142.
And the display driving unit 142 is configured to drive the display panel 144 to display the display image frame on a plurality of display areas 143 arranged in parallel and at intervals, where each display area 143 is configured to display a part of display content in the display image frame. The union of the display contents displayed by all the display areas 143 is the same as the display image frame. That is, the display image frame is divided into a plurality of bar-shaped display contents, each of which is displayed in one of the display areas 143. Referring to the schematic front view of the display panel 144 shown in the lower right portion (c) of fig. 2, each display area 143 is a rectangular bar-shaped display area. The idle region 145 between two adjacent display regions 143 may not display any content.
In one possible embodiment, the length and width of each display area 143 are the same. For example, each display region 143 has a length of 1080 pixels and a width of 5 pixels. The width of the idle regions 145 between each display region 143 is also the same, for example, the width of each idle region 145 is 3 pixels. In another possible embodiment, there are at least two display areas 143 that are the same length but different widths. For example, the width of the display region 143 located at the central region of the display panel 144 is greater than the width of the display region 143 located at the edge region of the display panel 144. There are at least two idle areas 145 that are the same length but different widths. For example, the width of the idle region 145 located at the central region of the display panel 144 is greater than the width of the idle region 145 located at the edge region of the display panel 144. This embodiment is not limited to this.
In one possible embodiment, the length and width of each display barrier 163 are the same. For example, each display barrier 163 has a length of 1080 pixels and a width of 2 pixels. The width of the light-transmitting regions 164 between each display barrier 163 is also the same, for example, the width of each light-transmitting region 164 is 3 pixels. In another possible embodiment, there are at least two display barriers 163 that have the same length but different widths. For example, the width of the display barrier 163 positioned at the center region of the barrier panel 162 is greater than the width of the display barrier 163 positioned at the edge region of the barrier panel 162. There are at least two light-transmitting regions 164 that are the same length but different widths. For example, the width of the light-transmitting region 164 located at the central region of the barrier panel 162 is greater than the width of the light-transmitting region 164 located at the edge region of the barrier panel 162. This embodiment is not limited to this.
The display contents displayed in each display region 143 are transmitted through the light-transmitting region 164 between two adjacent display barriers 163 on the barrier panel 162 to the predetermined visible range. That is, the display image frame 10 is divided into a plurality of pieces of display contents to be displayed when displayed by the display device 100, and the front view of the final display screen 20 may refer to the schematic illustration in fig. 3. In the actual use process, the width of the display barrier between the two display contents is relatively small, so that the influence on the final display effect observed by the naked eyes of a user can be reduced as much as possible.
Referring to fig. 4 in combination, the left side in fig. 4 is assumed to be the first direction, and the right side is assumed to be the second direction. Each display area 143 has an edge a in the first direction and an edge b in the second direction; two display barriers 163 are disposed above each display region 143. One of the display barriers 163 has an edge c in the second direction, and the other display barrier 163 has an edge d in the first direction; the predetermined visible range has an edge e in the first direction and an edge f in the second direction.
For each display area 143, the rule is satisfied between the edges: the edge a, the edge c, and the edge e are located in the same plane, and the edge b, the edge d, and the edge f are located in the same plane, thereby ensuring that the display content in each display region 143 is completely visible only within a predetermined visible range. It should be noted that the design of the display area 143 at the extreme edge may be different from that of fig. 4.
In addition, since the predetermined visible range is an area for both eyes of the user to see, the width of the predetermined visible range is set according to the eye-to-eye distance of the human eye, and the width ef is generally slightly larger than the eye-to-eye distance of the human eye. That is, the predetermined visible range is a range set according to the interocular distance of the human eye.
In one possible implementation, the display area 143 is fixed in position on the display panel 144. That is, the predetermined visible range is fixed. At this time:
the display driving unit 142 is used for determining the positions of a plurality of display areas 143 which are arranged in parallel and at intervals on the display panel 144 according to the pre-stored position information; splitting the display image frame to obtain display contents respectively corresponding to each display area 143; each display area 143 is driven to display the corresponding display content according to the position.
In another possible embodiment, the position of the human eye is variable, and the distance G between the human eye and the barrier panel 162 is variable, so that the predetermined visible range is variable. At this time:
a control unit 120, further configured to send a position determination instruction to the display driving unit 142; the display driving unit 142 is used for determining the positions of a plurality of display areas 143 which are arranged in parallel and at intervals on the display panel 144 according to the position determining instruction; splitting the display image frame to obtain display contents respectively corresponding to each liquid crystal display area 143; each liquid crystal display area 143 is driven according to the position to display the corresponding display content. Wherein the position determination instruction is used to indicate the position of each display area 143.
Optionally, the control unit 120 dynamically determines the position of each display area 143 according to the rule shown in fig. 4, based on the eye-to-eye distance ef of the human eyes, the projection coordinates of the human eyes on the barrier panel 162, the distance G between the human eyes and the barrier panel 162, and the distance L between the barrier panel 162 and the display panel 144.
In this embodiment, how the control unit 120 obtains the distance ef between the human eyes, the projection coordinates of the human eyes on the barrier panel 162, and the distance G between the human eyes and the barrier panel 162 is not limited, and the control unit 120 may obtain the above parameters through a front camera, a distance sensor, and other devices.
In summary, in the display device provided in this embodiment, the control unit sends the display image frames to the display driving unit, and the display driving unit drives the display panel to display the display image frames on a plurality of display areas arranged in parallel and at intervals, where each display area is used for displaying a part of the display content in the display image frame; wherein, the display content displayed in each display area is shot to a preset visual range through the light transmission area between two adjacent display barriers on the barrier panel; the problem that when the display screen is a wide-viewing-angle display screen in the related technology, other people around the display screen can easily see the display content on the display screen, so that the privacy of a user is revealed is solved; the effect that the visual range of the display panel is limited within the preset visual range, and the area outside the preset visual range can not see or can not completely see the display image frame on the display panel is achieved.
It should be noted that the idle area 145 between two adjacent display areas 143 in the display panel 144 may also display predetermined disguised display contents, which is display contents for being viewed in a range outside the predetermined visible range. Disguised display content may disguise displayed image frames displayed within the display area 143, such as: if the displayed image frame is a game picture and the disguised display content is a web page picture, the game picture is seen in the predetermined visual range, but the web page picture is seen in the area outside the predetermined visual range.
FIG. 5 is a flow chart illustrating a display method according to an exemplary embodiment. The method is applied to a display device, and the display device comprises: the display device comprises a control unit, a display driving unit connected with the control unit, a display panel connected with the display driving unit, and a barrier panel positioned on the display panel. A plurality of display barriers which are arranged in parallel and at intervals are distributed on the barrier panel. The method comprises the following steps:
in step 501, the control unit sends a display image frame to the display driving unit.
In step 502, the display driving unit drives the display panel to display a display image frame on a plurality of display regions arranged in parallel and at intervals, where each display region is used for respectively displaying a portion of display content in the display image frame.
The display content displayed in each display area is projected to a preset visual range through a light transmission area between two adjacent display barriers on the barrier panel.
In summary, in the display method provided in this embodiment, the control unit sends the display image frames to the display driving unit, and the display driving unit drives the display panel to display the display image frames on a plurality of display areas arranged in parallel and at intervals, where each display area is used for displaying a part of the display content in the display image frame; wherein, the display content displayed in each display area is shot to a preset visual range through the light transmission area between two adjacent display barriers on the barrier panel; the problem that when the display screen is a wide-viewing-angle display screen in the related technology, other people around the display screen can easily see the display content on the display screen, so that the privacy of a user is revealed is solved; the effect that the visual range of the display panel is limited within the preset visual range, and the area outside the preset visual range can not see or can not completely see the display image frame on the display panel is achieved.
In an alternative embodiment provided based on the embodiment shown in fig. 5, the method comprises:
in step 501, the control unit sends a display image frame to the display driving unit.
Since the display stream usually includes an image frame sequence consisting of one frame by one frame of display image frames, this step is performed periodically a plurality of times or when the display image frames change.
For example, the control unit executes this step every 1/24 second.
In step 502, the display driving unit drives the display panel to display a display image frame on a plurality of display regions arranged in parallel and at intervals, where each display region is used for respectively displaying a portion of display content in the display image frame.
As a possible implementation, this step is implemented instead by:
1. the display driving unit determines the positions of a plurality of parallel display areas arranged at intervals on the display panel according to the pre-stored position information;
2. the display driving unit splits the display image frame to obtain display contents respectively corresponding to each display area;
3. and the display driving unit drives each display area to respectively display the corresponding display content according to the position.
As another possible embodiment, the control unit determines the position of each display region according to a binocular distance of the human eye, projection coordinates of the human eye on the barrier panel, a distance between the human eye and the barrier panel, and a distance between the barrier panel and the display panel.
After determining the position of each display region, the control unit sends a position determination instruction indicating the position of each display region to the display driving unit. Accordingly, this step may be alternatively implemented by:
1. the display driving unit determines the positions of a plurality of display areas which are arranged in parallel and at intervals on the display panel according to the position determination instruction;
2. the display driving unit splits the display image frame to obtain display contents respectively corresponding to each display area;
3. and the display driving unit drives each display area to respectively display the corresponding display content according to the position.
The display content displayed in each display area is projected to a preset visual range through a light transmission area between two adjacent display barriers on the barrier panel. Alternatively, the predetermined visible range is a range determined according to a binocular distance of the human eye.
Optionally, the display driving unit drives an idle region between two adjacent display regions on the display panel to be in an inactive state, or drives the idle region on the display panel to display predetermined disguised display contents.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A display device, characterized in that the display device comprises: the display screen comprises a control unit, a display driving unit connected with the control unit, a display panel connected with the display driving unit and a barrier panel positioned on the display panel, wherein a plurality of display barriers which are arranged in parallel and at intervals are distributed on the barrier panel;
the control unit is used for sending a display image frame and a position determining instruction to the display driving unit;
the display driving unit is used for determining the positions of a plurality of display areas which are arranged in parallel and at intervals on the display panel according to the position determining instruction; splitting the display image frame to obtain display contents respectively corresponding to each display area; driving each display area to respectively display the corresponding display content according to the position;
the display content displayed in each display area is projected to a preset visual range through a light transmission area between two adjacent display barriers on the barrier panel.
2. The display device according to claim 1,
the position determination instruction is used for indicating the position of each display area;
the control unit is further configured to determine the position of each display area according to a distance between two eyes of a human eye, a projection coordinate of the human eye on the barrier panel, a distance between the human eye and the barrier panel, and a distance between the barrier panel and the display panel.
3. The display device according to claim 1 or 2, wherein the barrier panel is a film material on which the plurality of display barriers arranged in parallel and at intervals are distributed.
4. The display device according to claim 1 or 2, wherein the predetermined visible range is a range determined according to a binocular distance of human eyes.
5. The display device according to claim 1 or 2,
the display driving unit is further configured to drive an idle area between two adjacent display areas on the display panel to be in an idle state, or drive the idle area between two adjacent display areas on the display panel to display predetermined camouflage display content.
6. The display method is applied to a display device, and the display device comprises: the display device comprises a control unit, a display driving unit connected with the control unit, a display panel connected with the display driving unit, and a barrier panel positioned above the display panel; a plurality of display barriers which are arranged in parallel and at intervals are distributed on the barrier panel;
the method comprises the following steps:
the control unit sends a display image frame and a position determining instruction to the display driving unit;
the display driving unit determines the positions of a plurality of display areas which are arranged in parallel and at intervals on the display panel according to the position determination instruction;
the display driving unit splits the display image frame to obtain display contents respectively corresponding to each display area;
the display driving unit drives each display area to respectively display the corresponding display content according to the position;
the display content displayed in each display area is projected to a preset visual range through a light transmission area between two adjacent display barriers on the barrier panel.
7. The display method according to claim 6,
the position determination instructions are for indicating a position of each display area, the method further comprising:
the control unit determines the position of each display area according to the distance between the two eyes of the human eye, the projection coordinate of the human eye on the barrier panel, the distance between the human eye and the barrier panel and the distance between the barrier panel and the display panel.
8. The display method according to claim 6 or 7, wherein the barrier panel is a film material on which the plurality of display barriers are arranged in parallel and at intervals.
9. The display method according to claim 6 or 7, wherein the predetermined visible range is a range determined according to a binocular distance of human eyes.
10. The display method according to claim 6 or 7, characterized in that the method further comprises:
the display driving unit drives an idle area between two adjacent display areas on the display panel to be in a non-operating state;
alternatively, the first and second electrodes may be,
the display driving unit drives an idle area between two adjacent display areas on the display panel to display preset camouflage display contents.
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| CN101169519A (en) * | 2007-12-03 | 2008-04-30 | 北京超多维科技有限公司 | Display device |
| CN101551546A (en) * | 2008-03-31 | 2009-10-07 | Nec液晶技术株式会社 | Display device, electronic appliance, optical member, display panel, controller, and control method for driving display panel |
| CN102222492A (en) * | 2010-04-13 | 2011-10-19 | 纬创资通股份有限公司 | Anti-peep method and device of display device |
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