WO2013157627A1 - Dispositif électronique et procédé de correction - Google Patents

Dispositif électronique et procédé de correction Download PDF

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Publication number
WO2013157627A1
WO2013157627A1 PCT/JP2013/061604 JP2013061604W WO2013157627A1 WO 2013157627 A1 WO2013157627 A1 WO 2013157627A1 JP 2013061604 W JP2013061604 W JP 2013061604W WO 2013157627 A1 WO2013157627 A1 WO 2013157627A1
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WIPO (PCT)
Prior art keywords
image
correction
correction image
unit
display screen
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PCT/JP2013/061604
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English (en)
Japanese (ja)
Inventor
英治 小野寺
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株式会社ニコン
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Publication of WO2013157627A1 publication Critical patent/WO2013157627A1/fr

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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
    • 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
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • 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
    • G09G3/3611—Control of matrices with row and column drivers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other

Definitions

  • the present invention relates to an electronic device and a correction method.
  • This application claims priority based on Japanese Patent Application No. 2012-097007 filed on April 20, 2012, the contents of which are incorporated herein by reference.
  • Patent Document 1 since a film is used, there is a problem that it is difficult to eliminate luminance unevenness with high accuracy. Moreover, there is a problem that it takes time and effort to attach a film.
  • An electronic device includes a display portion having a display screen, a light source that illuminates the display screen, and a correction image for correcting luminance unevenness generated in the display screen due to light from the light source.
  • the image processing apparatus includes: a storage unit for storing; and a control unit that superimposes the correction image on a target image to be displayed on the display screen and outputs the image after the correction image superimposition to the display unit.
  • a correction method is a method for correcting luminance unevenness in the electronic apparatus according to one aspect of the present invention, wherein the target image to be displayed on the display screen is acquired and acquired. Superimposing the correction image on the target image and outputting the image after the correction image superimposition to the display unit.
  • uneven brightness can be eliminated with high accuracy. Further, in the aspect of the present invention, since the luminance unevenness is eliminated using the correction image, it is possible to easily eliminate the luminance unevenness.
  • FIG. 1 is an external view of an electronic device according to a first embodiment of the present invention. It is a block which shows the structural example of an electronic device. It is explanatory drawing for demonstrating a light-guide plate. It is explanatory drawing for demonstrating a light-guide plate. It is explanatory drawing for demonstrating a display part. It is the example of a display by the conventional display control described for the comparison. It is an example of a display by the image for amendment. It is a flowchart which shows an example of operation
  • FIG. 1 is an external view of an electronic device 1 according to the first embodiment of the present invention.
  • the electronic device 1 includes a liquid crystal panel (display screen) 124 on the front surface of the housing 10.
  • FIG. 2 is a block diagram illustrating a configuration example of the electronic device 1.
  • the electronic device 1 includes a processing unit 100, a light source 110, a display unit 120, an operation unit 130, an imaging unit 140, a communication unit 150, and a storage unit 190.
  • the processing unit 100 includes an image generation unit 102 and a control unit 104.
  • the display unit 120 includes a light guide plate 122 and a liquid crystal panel 124.
  • the storage unit 190 includes a content storage unit 192 and a correction image storage unit 194.
  • the content storage unit 192 stores various contents (for example, images and software programs).
  • the correction image storage unit 194 stores an image (hereinafter, referred to as “correction image”) for correcting luminance unevenness generated in the liquid crystal panel 124.
  • the display by the liquid crystal panel 124 is a color display corresponding to each luminance value of each color (red, green, blue). Therefore, the correction image storage unit 194 stores a correction image for correcting luminance unevenness (red, green, or blue luminance unevenness) in color display.
  • the configuration of the display unit 120 and details of the correction image will be described later.
  • the operation unit 130 receives a user instruction (for example, an imaging instruction, a communication instruction, a display instruction, and a program execution instruction).
  • a user instruction for example, an imaging instruction, a communication instruction, a display instruction, and a program execution instruction.
  • Specific examples of the operation unit 130 are buttons or keys arranged on the housing 10 of the electronic device 1 and buttons or keys displayed on the liquid crystal panel 124.
  • Various instructions received by the operation unit 130 are output to the control unit 104.
  • the control unit 104 controls the entire electronic device 1.
  • the control unit 104 controls the imaging unit 140 in accordance with an imaging instruction, for example, as imaging control.
  • the control part 104 controls the communication part 150 as communication control, for example according to a communication instruction
  • the control unit 104 superimposes a correction image on an image to be displayed on the liquid crystal panel 124 (an image to be displayed; hereinafter referred to as “target image”) and outputs the correction image to the display unit 120. Details of the display control will be described later. Further, the control unit 104 reads and executes a software program stored in the content storage unit 192 as program execution control.
  • the imaging unit 140 includes a lens, an imaging element, and an AD conversion unit, and performs imaging according to the control of the control unit 104.
  • the imaging element converts the optical image formed on the light receiving surface into an electrical signal and outputs the electrical signal to the AD converter.
  • the AD conversion unit converts the electrical signal output from the imaging element into a digital signal and outputs the digital signal to the image generation unit 102.
  • the image generation unit 102 generates a captured image (including a through image) from the digital signal output from the imaging unit 140.
  • the image generation unit 102 stores the captured image (excluding the through image) in the content storage unit 192. Further, the image generation unit 102 outputs the captured image (through image) to the control unit 104.
  • the communication unit 150 communicates with an external device (for example, a server) according to the control (communication control) of the control unit 104.
  • the communication unit 150 receives content from an external device and outputs the content to the control unit 104.
  • the communication unit 150 acquires content stored in the content storage unit 192 from the control unit 104 and transmits the content to the external device.
  • FIG. 3 is an explanatory diagram for explaining the light guide plate 122 (a perspective view of the light source 110 and the light guide plate 122).
  • FIG. 4 is an explanatory diagram for explaining the light guide plate 122 (side view of the light source 110 and the light guide plate 122).
  • the light guide plate 122 is a plate-like body formed of a material (for example, acrylic resin, polycarbonate, various glasses) that sufficiently transmits light in the visible light range.
  • the thickness of the light guide plate 122 is, for example, 30 ⁇ m to 500 ⁇ m.
  • the surface side of the light guide plate 122 (the upper surface side in FIGS. 3 and 4) is an emission surface 122a that emits planar light, and is formed on a smooth surface.
  • the exit surface 122a may be surface treated to diffuse light.
  • an optical sheet in which a diffusion sheet or a minute prism is formed may be attached to the entire emission surface 122a.
  • the surface treatment or application of the optical sheet is not only for the purpose of adjusting the direction and spread of the light emitted from the emission surface 122a, but also when the light guide plate 122 is viewed from the emission surface 122a side, the shape of the back surface 122b (described later). Used to make it invisible.
  • the back surface 122b of the light guide plate 122 is formed with a saw-like structure having a plurality of reflecting surfaces.
  • the saw-like structure part guides light introduced from the incident surface 122c (side surface) of the light guide plate 122 to the emission surface 122a side.
  • the structure of the back surface 122b of the light guide plate 122 is not limited to the illustrated configuration.
  • convex or concave dots may be formed on the back surface 122b.
  • a plurality of light emitters (LEDs) 111 to 114 as light sources 110 are arranged at substantially equal intervals.
  • Excessive light quantity regions P1 to P4 are generated by light emitted from the light emitters 111 to 114 in the portion of the emission surface 122a close to the incident surface 122c.
  • the excessive light amount regions P1 to P4 are regions that can be recognized as having high brightness when viewed with human eyes.
  • the light emitters 111 to 114 are not limited to LEDs, and various light emitters such as a cold cathode tube may be used. Further, the number of the light emitters 111 to 114 is an example, and is not limited to the four illustrated, and can be arbitrarily set. Further, in addition to forming a space between the light source 110 and the light guide plate 122 as shown in FIGS. 3 and 4, a transparent resin or the like may be filled between them. In the illustrated configuration, one side surface of the light guide plate 122 is used as the incident surface 122c. However, the present invention is not limited to this. Two or more side surfaces of the light guide plate 122 are used as the incident surface, and the light source 110 is disposed on each incident surface. Also good.
  • FIG. 5 is an explanatory diagram (a cross-sectional view of the housing 10) for explaining the display unit 120.
  • the housing 10 of the electronic device 1 includes an opening 10a having a width L surrounded by a frame portion 10b having a width W.
  • the housing 10 of the electronic device 1 houses a light source 110, a light guide plate 122, and a liquid crystal panel 124 therein.
  • the liquid crystal panel 124 is roughly composed of a front glass substrate 124a provided with individual electrodes, a rear glass substrate 124b provided with a common electrode, and a liquid crystal layer 124c sandwiched therebetween. Further, the liquid crystal panel 124 is held by the housing 10 in a state in which the periphery thereof is sandwiched between the frame portion 10b and the rib 10c. That is, the area of the opening 10a is used as the display area of the liquid crystal panel 114 (for example, the width L of the opening 10a becomes the width of the display area).
  • the light guide plate 122 is disposed on the side of the glass substrate 124b of the liquid crystal panel 124 with the emission surface 122a facing each other.
  • the light source 110 is arranged in the range of the width W on the back side of the frame portion 10b.
  • the light guide plate 122 is disposed in a state where the end portion is inserted into the back side of the frame portion 10b so that a part of the light guide plate 122 is positioned on the boundary Y between the width L and the width W.
  • FIG. 6 is a display example by conventional display control described for comparison.
  • FIG. 7 is a display example using a correction image. As described with reference to FIGS. 3 to 5, excessive light amount regions P1 to P4 are generated on the incident surface 122c side of the light guide plate 122 by the light emitted from the light emitters 111 to 114.
  • a display image E 0 (see FIG. 6B) in which the target image G 0 (see FIG. 6A) is displayed on the liquid crystal panel 124 is displayed.
  • the portions corresponding to the excessive light amount regions P1 to P4 (E 0 ⁇ p1 to E 0 ⁇ p4) become brighter than the original brightness of the target image G 0 . That is, simply, when outputting the target image G 0 on the display unit 120, the luminance unevenness in a display image E 0 by the presence of a quantity excessive regions P1 ⁇ P4 occur. Specifically, as shown in FIG. 6B, the brightness unevenness that is displayed brighter than the original brightness is generated closer to the frame portion 10b.
  • the display image E 2 (see FIG. 7D) is the original image G 0 (see FIG. 7A). It becomes bright. That is, the control unit 104 superimposes the correction image G 1 (see FIG. 7B) on the target image G 0 and outputs the superimposed image G 2 (see FIG. 7C) to the display unit 120. To do. Therefore, the presence of light amount excessive regions P1 ⁇ P4 is canceled, uneven brightness is not generated in the display image E 2.
  • Correction image G 1 is substantially transmissive (transparent) images.
  • the portions (G 1 -p 1 to G 1 -p 4) corresponding to the excessive light amount regions P 1 to P 4 of the correction image G 1 have a light transmittance (transparency) of less than 100%.
  • the closer to the frame portion 10b the lower the transmittance.
  • Correction image G 1 the transmittance of the portion corresponding to the region where the brightness unevenness occurs in the liquid crystal panel 124 (display screen), the transmission of the portion corresponding to the region where the luminance unevenness is not generated in the liquid crystal panel 124 (display screen) Smaller than the rate.
  • the transmittance of the partial image for correction G 1 (G 1 -p1 ⁇ G 1 -p4) is less than 100%
  • the portion corresponding to the light quantity excessive region P1 ⁇ P4 of the image G 2 after superimposition (G 2 -p1 ⁇ G 2 -p4) is made in the target image G 0 original brightness.
  • corrected amount excessive state region P1 ⁇ P4 by the low permeability portion of the image for correction G 1 (G 1 -p1 ⁇ G 1 -p4) original brightness of the target image G 0 are observable.
  • the portion (G 1 -p 0) other than the portion corresponding to the excessive light amount regions P 1 to P 4 of the correction image G 1 has a transmittance of 100%.
  • the transmittance of the portion (G 1 -p0) of the correction image G 1 is 100%, the portion (G 2 -p0) other than the portion corresponding to the excessive light amount regions P1 to P4 of the superimposed image G 2 It is made in the image G 0 original brightness.
  • FIG. 8 is a flowchart showing an example of the operation of the electronic device 1. Specifically, it is a flowchart showing an example of the operation (control) of the control unit 104. The flowchart shown in FIG. 8 starts when the operation unit 130 receives a display instruction.
  • the control unit 104 acquires a target image (step S20). For example, the control unit 104 acquires (reads out) a still image corresponding to the display instruction from the content storage unit 192. Next, the control unit 104 acquires (reads) a correction image from the correction image storage unit 194 and superimposes it on the still image (target image) acquired in step S20 (step S22).
  • control unit 104 outputs the corrected image superimposed image to the liquid crystal panel 124 (step S24). Then, this flowchart shown in FIG. 8 ends. As described above, the still image is displayed with the original brightness. The same applies when moving images are acquired from the content storage unit 192.
  • the above-described control is not limited to displaying an image (still image or moving image) in the content storage unit 192. That is, the control unit 104 performs the above-described control when displaying something (for example, when displaying a through image, when displaying a streaming image, or when displaying an execution result of a software program).
  • the control unit 104 acquires a through image (target image) from the image generation unit 102 (corresponding to step S20). Next, the control unit 104 acquires a correction image from the correction image storage unit 194 and superimposes the correction image on the through image (target image) (corresponding to step S22). Next, the control unit 104 outputs the through image after the correction image superposition to the liquid crystal panel 124 (corresponding to step S24). Thus, the through image is displayed with the original brightness.
  • the control unit 104 acquires a streaming image (target image) from the communication unit 150 (corresponding to step S20). Next, the control unit 104 acquires a correction image from the correction image storage unit 194 and superimposes it on the streaming image (target image) (corresponding to step S22). Next, the control unit 104 outputs the streaming image after the correction image superimposition to the liquid crystal panel 124 (corresponding to step S24). Thus, the streaming image is displayed with the original brightness.
  • the control unit 104 executes a software program stored in the content storage unit 192 in response to an instruction to execute the program, and obtains an execution result screen (target image). (Corresponding to step S20). Next, the control unit 104 acquires a correction image from the correction image storage unit 194 and superimposes it on the execution result screen (target image) (corresponding to step S22). Next, the control unit 104 outputs the corrected image superimposed screen to the liquid crystal panel 124 (corresponding to step S24). As described above, the execution result is displayed with the original brightness.
  • FIGS. 9A to 9C are storage examples of correction images in a mode in which a plurality of correction images are stored.
  • the correction image storage unit 194 may store a plurality of correction images having different correction levels. For example, as shown in FIG. 9A, the correction image storage unit 194 associates the correction image with the image ID for identifying the correction image and the display name displayed on the display unit 120 when selected, in the excessive light quantity regions P1 to P4. A plurality of correction images having different light transmittances (transparency) of corresponding portions are stored.
  • the correction image storage unit 194 associates the image ID “H01” with the display name “correction amount (large)” and the transmittance corresponding to the excessive light amount regions P1 to P4 has “low”.
  • the image for correction, the image ID “H02”, and the display name “correction amount (medium)” are associated with the image corresponding to the excessive light amount region P1 to P4, and the image for correction whose image is “medium”
  • three types of correction images that is, correction images whose transmittance corresponding to the excessive light amount regions P1 to P4 is “high” are stored. is doing.
  • the relationship of the transmittance in FIG. 9A is the transmittance “100%”> the transmittance “high”> the transmittance “medium”> the transmittance “low”. That is, the transmittance “medium” has a larger degree of darkening the target image (correction level) than the transmittance “high”, and has a smaller degree of darkening the target image than the transmittance “low”.
  • FIGS. 9B and 9C The same applies to FIGS. 9B and 9C.
  • the control unit 104 may use one correction image according to a user instruction (selection of a correction image) from among three types of correction images. That is, the user selects one correction image with reference to ““ correction amount (large) ”,“ correction amount (medium) ”, and“ correction amount (small) ”on the correction image selection screen. .
  • the control unit 104 may read out the correction image selected by the user from the correction image storage unit 194 and superimpose it on the target image. Thereby, the user can select a correction image in which the luminance unevenness is less noticeable.
  • FIG. 9A shows an example in which three types of correction images of “correction amount (large)”, “correction amount (medium)”, and “correction amount (small)” are stored in the correction image storage unit 194. Two or more types of correction images may be stored in the image storage unit 194 and processed in the same manner.
  • the electronic device 1 also includes one sensor that detects the brightness of the light source 110, and the control unit 104 detects the sensor from a plurality of correction images stored in the correction image storage unit 194. One correction image corresponding to the value may be used.
  • one sensor that detects light emitted from the entire light source 110 (light emitters 111 to 114) is disposed on the surfaces 111a to 114a side.
  • the correction image storage unit 194 has a plurality of different transmittances corresponding to the excessive light amount regions P1 to P4 in association with the image ID and the detection value (detection value range). The correction image is stored.
  • the correction image storage unit 194 is associated with the image ID “H01” and the detection value “large”, and the correction corresponding to the excessive light amount areas P1 to P4 has “low” transmittance.
  • the detection value “Large” is a value range where deterioration of the light source 110 (decrease in emitted light due to aging deterioration) is not observed, and the detection value “Medium” is a value where slight deterioration of the light source 110 is observed.
  • the detection value “small” may be a range of values in which the light source 110 is degraded. The same applies to FIG. 9C.
  • the control unit 104 that has acquired the detection value from the sensor has one correction image corresponding to the detection value (the range of the detection value “large”, the detection value “ The correction image associated with the range including the detection value in the “medium” range or the detection value “small” range) is read from the correction image storage unit 194 and superimposed on the target image. Good. Thereby, for example, even when the light source 110 is deteriorated, uneven luminance can be prevented.
  • FIG. 9B shows an example in which three types of correction images of “detection value (large)”, “detection value (medium)”, and “detection value (small)” are stored in the correction image storage unit 194. Two or more types of correction images may be stored in the image storage unit 194 and processed in the same manner.
  • the electronic device 1 may include four sensors that detect light emitted from each of the four light emitters (light emitters 111, 112, 113, and 114) instead of one sensor.
  • the correction image storage unit 194 corresponds to the excessive light quantity regions P1, P2, P3, and P4 in association with the image ID and the detection values of the four sensors, as shown in FIG. 9C. A plurality of correction images having different transmittances are stored.
  • the correction image storage unit 194 includes an image ID “H001”, a detection value “large” of the sensor (1) that detects the emitted light of the light emitter 111, and a sensor that detects the emitted light of the light emitter 112 ( 2), the detection value “large” of the sensor (3) that detects the light emitted from the light emitter 113, and the detection value “large” of the sensor (4) that detects the light emitted from the light emitter 114.
  • a correction image in which the transmittance of the portion corresponding to the excessive light amount regions P1 to P4 is “low” is stored.
  • the correction image storage unit 194 includes an image ID “H002”, a detection value “medium” of the sensor (1), a detection value “large” of the sensor (2), a detection value “large” of the sensor (3), and In association with the detection value “large” of the sensor (4), the transmittance of the portion corresponding to the excessive light amount region P1 is “medium” and the transmittance of the portions corresponding to the excessive light amount regions P2 to P4 is “low”. ”Is stored.
  • control unit 104 that has acquired the detection value from each sensor reads out one correction image corresponding to the detection value of each sensor from the correction image storage unit 194 and superimposes it on the target image. Also good. Thereby, for example, even when the degree of deterioration differs for each light emitter, it is possible to prevent unevenness in luminance.
  • a plurality of sensors that detect light emitted from each of the light emitters are arranged, and a correction image is based on the detection results of these sensors. Is superimposed on the target image. Therefore, brightness unevenness can be prevented from occurring with higher accuracy corresponding to the light emitted from each light emitter.
  • FIG. 10 is a block diagram illustrating a configuration example of the electronic device 2 according to the second embodiment of the present invention.
  • the appearance of the electronic device 2 is the same as that of the electronic device 1 of the first embodiment.
  • the electronic device 2 includes a correction image generation unit 106 as shown in FIG.
  • the correction image generation unit 106 generates a correction image based on the captured image obtained by capturing the display on the display screen.
  • the correction image generated by the correction image generation unit 106 is stored in the correction image storage unit 194.
  • control unit 104 When newly generating a correction image, the control unit 104 generates a correction image based on a captured image obtained by capturing an image before superimposing the correction image.
  • the control unit 104 outputs an image before the correction image superimposition to the liquid crystal panel 124 according to a user operation. That is, the liquid crystal panel 124 displays an image on which no correction image is superimposed (an image with uneven brightness).
  • the user uses a device other than the electronic device 2 to capture the display on the liquid crystal panel 124 (an image on which the correction image is not superimposed), and transmits the captured image to the electronic device 2.
  • control unit 104 acquires a captured image obtained by capturing an image on which the correction image is not superimposed via the communication unit 150, and outputs the captured image to the correction image generation unit 106.
  • the correction image generation unit 106 acquires a captured image obtained by capturing an image on which the correction image is not superimposed from the control unit 104.
  • the control unit 104 may store the captured image acquired from the communication unit 150 in the content storage unit 192, and the correction image generation unit 106 may acquire the captured image from the content storage unit 192.
  • the correction image generation unit 106 When the correction image generation unit 106 acquires a captured image obtained by capturing an image on which the correction image is not superimposed, the correction image generation unit 106 responds to the degree of luminance unevenness in the portion corresponding to the excessive light amount region P1 to P4 on the captured image. A correction image (correction image for canceling the luminance unevenness) is generated, and the generated correction image is written in the correction image storage unit 194.
  • a predetermined image for example, an image having a mark
  • the correction image generation unit 106 determines whether the captured image acquired from the control unit 104 is a captured image. If the image is a predetermined image, a correction image may be generated immediately after acquisition (ie, without user operation).
  • control unit 104 When correcting an existing correction image, the control unit 104 generates a correction image based on a captured image obtained by capturing an image after the correction image is superimposed.
  • the control unit 104 outputs the corrected image superimposed image to the liquid crystal panel 124. That is, the liquid crystal panel 124 displays an image on which the correction image A is superimposed (an image in which the luminance unevenness has been eliminated or an image in which the luminance unevenness has been eliminated).
  • the user uses a device different from the electronic device 2 to capture the display on the liquid crystal panel 124 (an image on which the correction image A is superimposed), and transmits the captured image to the electronic device 2.
  • control unit 104 acquires a captured image obtained by capturing an image on which the correction image A is superimposed via the communication unit 150 and outputs the captured image to the correction image generation unit 106.
  • the correction image generation unit 106 acquires a captured image obtained by capturing an image in which the correction image A is superimposed from the control unit 104.
  • the control unit 104 may store the captured image acquired from the communication unit 150 in the content storage unit 192, and the correction image generation unit 106 may acquire the captured image from the content storage unit 192.
  • the correction image generation unit 106 When the correction image generation unit 106 acquires a captured image obtained by capturing an image with the correction image A superimposed, the correction image generation unit 106 responds to the degree of luminance unevenness in the portion corresponding to the excessive light amount regions P1 to P4 on the captured image. A correction image B (a correction image for canceling the luminance unevenness) is generated, and the generated correction image B is written in the correction image storage unit 194. The correction image generation unit 106 may delete the correction image A from the correction image storage unit 194.
  • the correction image C the correction image A.
  • the correction image B and the correction image C can be generated immediately after the captured image is acquired by using a predetermined image. Good.
  • the electronic device 2 it is possible to easily generate an image (correction image) for accurately eliminating luminance unevenness.
  • the display unit 120 includes the liquid crystal panel 124 that forms the display screen and the light guide plate 120 that guides the light from the light source 110 to the liquid crystal panel as described above.
  • the configuration of the part is not limited to this. In other words, the present invention can be applied to any electronic device as long as the electronic device is provided in a display unit that can cause uneven luminance.
  • the luminance unevenness generated in the portion corresponding to the excessive light amount areas P1 to P4 in the vicinity of the light source 110 has been described, but the luminance unevenness to be eliminated is not limited to the luminance unevenness generated in the above portion.
  • a correction image that eliminates the luminance unevenness of the one point for example, the transparency of the part other than the one point is 100%
  • the correction image can be used so that the one point is displayed relatively brightly.
  • a program for executing each process of the electronic devices 1 and 2 according to the embodiment of the present invention is recorded on a computer-readable recording medium, and the program recorded on the recording medium is read into a computer system and executed. By doing so, you may perform the various process mentioned above which concerns on each process of the electronic devices 1 and 2.
  • the “computer system” may include an OS and hardware such as peripheral devices.
  • the “computer system” includes a homepage providing environment (or display environment) if a WWW system is used.
  • the “computer-readable recording medium” refers to a floppy (registered trademark) disk, a magneto-optical disk, an SD card, a writable nonvolatile memory such as a flash memory, a portable medium such as a CD-ROM, and a computer system.
  • a built-in storage device such as a hard disk.
  • the “computer-readable recording medium” means a volatile memory (for example, DRAM (Dynamic DRAM) in a computer system that becomes a server or a client when a program is transmitted through a network such as the Internet or a communication line such as a telephone line. Random Access Memory)), etc., which hold programs for a certain period of time.
  • the program may be transmitted from a computer system storing the program in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium.
  • the “transmission medium” for transmitting the program refers to a medium having a function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line.
  • the program may be for realizing a part of the functions described above. Furthermore, what can implement

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

La présente invention concerne un dispositif électronique comprenant les éléments suivants : une unité d'affichage comprenant en outre un écran d'affichage ; une source de lumière qui éclaire l'écran d'affichage ; une unité de stockage qui stocke une image à corriger afin de corriger les irrégularités de luminosité apparaissant sur l'écran d'affichage du fait de la lumière émanant de la source de lumière ; et une unité de commande qui superpose l'image à corriger sur une image objet qui est affichée sur l'écran d'affichage et délivre une image sur l'écran d'affichage après superposition de l'image à corriger.
PCT/JP2013/061604 2012-04-20 2013-04-19 Dispositif électronique et procédé de correction WO2013157627A1 (fr)

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JP2012097007 2012-04-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112002242A (zh) * 2014-11-28 2020-11-27 株式会社半导体能源研究所 图像处理装置、显示系统以及电子设备

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JPS61137194A (ja) * 1984-12-10 1986-06-24 キヤノン株式会社 液晶表示パネルの補正駆動方法
JPS61256386A (ja) * 1985-05-10 1986-11-13 ソニー株式会社 液晶表示装置
JPS63148781A (ja) * 1986-12-12 1988-06-21 Nec Corp 液晶表示装置
JPS6459386A (en) * 1987-08-31 1989-03-07 Mitsubishi Electric Corp Dot matrix type display device
JPH0431120U (fr) * 1990-07-10 1992-03-12
JPH07261719A (ja) * 1994-03-24 1995-10-13 Semiconductor Energy Lab Co Ltd 表示装置の補正システムおよびその動作方法
JPH09318929A (ja) * 1996-05-29 1997-12-12 Toshiba Corp 液晶表示装置および表示ムラ補正方法
JPH1084551A (ja) * 1996-09-06 1998-03-31 Nec Corp 色むら補正装置
JP2007163555A (ja) * 2005-12-09 2007-06-28 Sharp Corp 液晶表示装置及び液晶表示方法
JP2007281612A (ja) * 2006-04-03 2007-10-25 Sony Corp 映像信号処理装置、映像信号処理方法および画像表示装置
WO2010146735A1 (fr) * 2009-06-18 2010-12-23 シャープ株式会社 Dispositif d'affichage et procédé de commande d'un affichage

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61137194A (ja) * 1984-12-10 1986-06-24 キヤノン株式会社 液晶表示パネルの補正駆動方法
JPS61256386A (ja) * 1985-05-10 1986-11-13 ソニー株式会社 液晶表示装置
JPS63148781A (ja) * 1986-12-12 1988-06-21 Nec Corp 液晶表示装置
JPS6459386A (en) * 1987-08-31 1989-03-07 Mitsubishi Electric Corp Dot matrix type display device
JPH0431120U (fr) * 1990-07-10 1992-03-12
JPH07261719A (ja) * 1994-03-24 1995-10-13 Semiconductor Energy Lab Co Ltd 表示装置の補正システムおよびその動作方法
JPH09318929A (ja) * 1996-05-29 1997-12-12 Toshiba Corp 液晶表示装置および表示ムラ補正方法
JPH1084551A (ja) * 1996-09-06 1998-03-31 Nec Corp 色むら補正装置
JP2007163555A (ja) * 2005-12-09 2007-06-28 Sharp Corp 液晶表示装置及び液晶表示方法
JP2007281612A (ja) * 2006-04-03 2007-10-25 Sony Corp 映像信号処理装置、映像信号処理方法および画像表示装置
WO2010146735A1 (fr) * 2009-06-18 2010-12-23 シャープ株式会社 Dispositif d'affichage et procédé de commande d'un affichage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112002242A (zh) * 2014-11-28 2020-11-27 株式会社半导体能源研究所 图像处理装置、显示系统以及电子设备

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