Display device for dog

Abstract

A display device for a dog comprises: a display panel including pixels including a first sub-pixel including a color filter of a first color, a second sub-pixel including a color filter of a second color, and a third sub-pixel including a color filter of a third color; and a display panel driving unit for displaying a gradation of a fourth color of input image data on the first sub-pixel and displaying a gradation of a fifth color of the input image data on the second sub-pixel. Therefore, the display device for a dog displays the gradation of the fourth color on the first sub-pixel displaying the first color to which the dog has a higher color sensitivity than the fourth color, and displays the gradation of the fifth color on the second sub-pixel displaying the second color to which the dog has a higher color sensitivity than the fifth color, and thus can increase the degree of immersion of the dog watching an image.

Description

Dog display device

[0001] The present invention relates to a display device for dogs. More specifically, it relates to a display device for dogs that displays images that take into account the visual characteristics of dogs.

[0002] Humans possess cone cells, which perform the function of detecting color. Humans possess three types of cones, each sensitive to different colors of light. For example, L cones are sensitive to light ranging from yellow to green, M cones to light ranging from cyan to blue, and S cones to light ranging from blue to violet. Considering these human visual characteristics, display devices have been developed to display a variety of colors by mixing red, green, and blue in appropriate proportions.

[0003] On the other hand, dogs have two types of cone cells. They can perceive red and green as yellow, and can only distinguish colors using combinations of blue and yellow. Furthermore, unlike humans, dogs find it easier to distinguish colors when light is closer to ultraviolet. In other words, unlike humans, dogs' color sensitivity is highest in blue.

[0004] In addition, since the visual characteristics of dogs, such as contrast recognition, edge recognition, brightness recognition, and video recognition, are different from those of humans, there is a problem in that dogs lose interest in conventional human display devices when viewing them.

[0005] One object of the present invention is to provide a display device for dogs that takes into account the visual characteristics of dogs.

[0006] However, the problem to be solved by the present invention is not limited to the problem mentioned above, and may be expanded in various ways without departing from the spirit and scope of the present invention.

[0007] In order to achieve the object of the present invention, a display device according to embodiments of the present invention includes a display panel including pixels including a first sub-pixel including a color filter of a first color, a second sub-pixel including a color filter of a second color, and a third sub-pixel including a color filter of a third color, and a display panel driver that displays a gradation of a fourth color different from the first color of input image data on the first sub-pixel and displays a gradation of a fifth color different from the second color of the input image data on the second sub-pixel.

[0008] In one embodiment, the display panel driver can display the gradation of the third color of the input image data on the third sub-pixel.

[0009] In one embodiment, the first color may be magenta, the third color may be blue, the fourth color may be red, and the fifth color may be green.

[0010] In one embodiment, the second color may be cyan.

[0011] In one embodiment, the display panel driver can, in the dog mode, display the gradation of the third color on the third sub-pixel, and, in the human mode, determine the corrected gradation of the third color by correcting the gradation of the third color based on the gradation of the fourth color and the gradation of the fifth color, and display the corrected gradation of the third color on the third sub-pixel.

[0012] In one embodiment, the display panel driver may determine the compensation gradation of the third color as the difference between the gradation of the third color and the sum of the gradation of the fourth color and the gradation of the fifth color in the human mode when the sum of the gradation of the fourth color and the gradation of the fifth color is less than the gradation of the third color, and may determine the compensation gradation of the third color as 0 when the sum of the gradation of the fourth color and the gradation of the fifth color in the human mode is greater than or equal to the gradation of the third color.

[0013] In one embodiment, the correction gradation of the third color is, in the human mode, when the sum of the gradation of the fourth color and the gradation of the fifth color is less than the gradation of the third color. (Here, CG3 is the correction gradation of the third color, G3 is the gradation of the third color, G4 is the gradation of the fourth color, and G5 is the gradation of the fifth color) can be determined using.

[0014] In one embodiment, the second color may be yellow.

[0015] In one embodiment, the display panel driver may, in the dog mode, display the gradation of the third color on the third sub-pixel, display the gradation of the fourth color on the first sub-pixel, and, in the human mode, determine a compensation gradation of the fourth color by compensating the gradation of the fourth color based on the gradation of the fifth color, display the compensation gradation of the fourth color on the first sub-pixel, determine a compensation gradation of the third color by compensating the gradation of the third color based on the compensation gradation of the fourth color, and display the compensation gradation of the third color on the third sub-pixel.

[0016] In one embodiment, the display panel driver may determine the compensation gradation of the fourth color as a difference between the gradation of the fourth color and the gradation of the fifth color in the human mode when the gradation of the fifth color is smaller than the gradation of the fourth color, and may determine the compensation gradation of the fourth color as 0 in the human mode when the gradation of the fifth color is greater than or equal to the gradation of the fourth color.

[0017] In one embodiment, the correction gradation of the fourth color is, in the human mode, when the gradation of the fifth color is smaller than the gradation of the fourth color, (Here, CG4 is the correction gradation of the fourth color, G4 is the gradation of the fourth color, and G5 is the gradation of the fifth color) can be determined using.

[0018] In one embodiment, the display panel driver may determine the compensation gradation of the third color as a difference between the gradation of the third color and the compensation gradation of the fourth color in the human mode when the compensation gradation of the fourth color is smaller than the gradation of the third color, and may determine the compensation gradation of the third color as 0 in the human mode when the compensation gradation of the fourth color is greater than or equal to the gradation of the third color.

[0019] In one embodiment, the correction gradation of the third color is smaller than the correction gradation of the fourth color in the human mode. (Here, CG3 is the correction gradation of the third color, G3 is the correction gradation of the third color, and CG4 is the correction gradation of the fourth color) can be determined using.

[0020] In order to achieve another object of the present invention, a display device according to embodiments of the present invention includes a display panel including pixels including a first sub-pixel including a light-emitting element of a first color, a second sub-pixel including a light-emitting element of a second color, and a third sub-pixel including a light-emitting element of a third color, and a display panel driver that displays a gradation of a fourth color different from the first color of input image data on the first sub-pixel and displays a gradation of a fifth color different from the second color of the input image data on the second sub-pixel.

[0021] In one embodiment, the display panel driver can display the gradation of the third color of the input image data on the third sub-pixel.

[0022] In one embodiment, the first color may be magenta, the third color may be blue, the fourth color may be red, and the fifth color may be green.

[0023] In one embodiment, the second color may be cyan.

[0024] In one embodiment, the display panel driver may, in the dog mode, display the gradation of the third color on the third sub-pixel, and, in the human mode, determine the corrected gradation of the third color by correcting the gradation of the third color based on the gradation of the fourth color and the gradation of the fifth color, and display the corrected gradation of the third color on the third sub-pixel, and, in the human mode, when the gradation of the third color is greater than the sum of the gradation of the fourth color and the gradation of the fifth color, determine the corrected gradation of the third color as the difference between the gradation of the third color and the sum of the gradation of the fourth color and the gradation of the fifth color, and, in the human mode, determine the corrected gradation of the third color as 0 when the gradation of the third color is less than or equal to the sum of the gradation of the fourth color and the gradation of the fifth color.

[0025] In one embodiment, the second color may be yellow.

[0026] In one embodiment, the display panel driver, in the dog mode, displays the gradation of the third color on the third sub-pixel, and displays the gradation of the fourth color on the first sub-pixel, and in the human mode, determines a correction gradation of the fourth color by compensating the gradation of the fourth color based on the gradation of the fifth color, displays the correction gradation of the fourth color on the first sub-pixel, and determines a correction gradation of the third color by compensating the gradation of the third color based on the correction gradation of the fourth color, and displays the correction gradation of the third color on the third sub-pixel, and in the human mode, when the gradation of the fourth color is greater than the gradation of the fifth color, determines the correction gradation of the fourth color as a difference between the gradation of the fourth color and the gradation of the fifth color, and in the human mode, when the gradation of the fourth color is less than or equal to the gradation of the fifth color, The compensation gradation of the fourth color is determined as 0, and in the human mode, when the gradation of the third color is greater than the compensation gradation of the fourth color, the compensation gradation of the third color is determined as the difference between the gradation of the third color and the compensation gradation of the fourth color, and in the human mode, when the gradation of the third color is less than or equal to the compensation gradation of the fourth color, the compensation gradation of the third color can be determined as 0.

[0027] The display device for dogs according to embodiments of the present invention can increase the immersion of a dog watching an image by displaying the gradation of a fourth color on a first subpixel that displays a first color to which dogs have a higher color sensitivity than the fourth color, and displaying the gradation of a fifth color on a second subpixel that displays a second color to which dogs have a higher color sensitivity than the fifth color.

[0028] The display device for dogs according to embodiments of the present invention can be used by both dogs and humans by correcting the gradation of input image data to suit human characteristics.

[0029] However, the effects of the present invention are not limited to the above-described effects, and may be expanded in various ways without departing from the spirit and scope of the present invention.

[0030] FIG. 1 is a block diagram showing a display device according to embodiments of the present invention.

[0031] FIG. 2 is a drawing showing an example of pixels of the display device of FIG. 1.

[0032] Fig. 3 is a block diagram showing a part of the display device of Fig. 1.

[0033] Fig. 4 is a cross-sectional view showing pixels of the display device of Fig. 1.

[0034] Fig. 5 is a circuit diagram showing an example of a sub-pixel of the display device of Fig. 1.

[0035] FIG. 6 and FIG. 7 are tables showing an example of a display device according to embodiments of the present invention correcting the gradation of a third color in human mode.

[0036] FIG. 8 is a drawing showing an example of pixels of a display device according to embodiments of the present invention.

[0037] Fig. 9 is a cross-sectional view showing pixels of the display device of Fig. 8.

[0038] FIG. 10 and FIG. 11 are tables showing an example of a display device according to embodiments of the present invention correcting the gradation of a first color and a gradation of a third color in human mode.

[0039] FIG. 12 is a circuit diagram showing an example of a sub-pixel of a display device according to embodiments of the present invention.

[0040] FIG. 13 is a circuit diagram showing an example of a sub-pixel of a display device according to embodiments of the present invention.

[0041] Hereinafter, the present invention will be described in more detail with reference to the attached drawings.

[0042] FIG. 1 is a block diagram showing a display device (1000) according to embodiments of the present invention.

[0043] Referring to FIG. 1, a display device (1000) may include a display panel (100) and a display panel driver (10). The display panel driver (10) may include a timing controller (200), a gate driver (300), and a data driver (400). In one embodiment, the timing controller (200) and the data driver (400) may be integrated into a single chip.

[0044] The display panel (100) may include a display portion (AA) that displays an image and a peripheral portion (PA) positioned adjacent to the display portion (AA). In one embodiment, the gate driver (300) may be mounted in the peripheral portion (PA).

[0045] A display panel (100) may include a plurality of gate lines (GL), a plurality of data lines (DL), and a plurality of pixels (P) electrically connected to the gate lines (GL) and the data lines (DL). The gate lines (GL) may extend in a first direction (D1), and the data lines (DL) may extend in a second direction (D2) intersecting the first direction (D1).

[0046] The timing controller (200) can receive input image data (IMG) and an input control signal (CONT) from a host processor (e.g., a graphic processing unit (GPU)). The input image data (IMG) may be data in an RGB domain. For example, the input image data (IMG) may include red image data, green image data, and blue image data. For example, the input image data (IMG) may include red gradations, green gradations, and blue gradations. The input control signal (CONT) may include a master clock signal and a data enable signal. The input control signal (CONT) may further include a vertical synchronization signal and a horizontal synchronization signal.

[0047] The timing controller (200) can generate a first control signal (CONT1), a second control signal (CONT2), and a data signal (DATA) based on input image data (IMG) and an input control signal (CONT).

[0048] The timing controller (200) can generate a first control signal (CONT1) for controlling the operation of the gate driver (300) based on an input control signal (CONT) and output the first control signal (CONT1) to the gate driver (300). The first control signal (CONT1) can include a vertical start signal and a gate clock signal.

[0049] The timing controller (200) can generate a second control signal (CONT2) for controlling the operation of the data driver (400) based on the input control signal (CONT) and output the second control signal (CONT2) to the data driver (400). The second control signal (CONT2) can include a horizontal start signal and a load signal.

[0050] The timing controller (200) can receive input image data (IMG) and an input control signal (CONT) and generate a data signal (DATA). The timing controller (200) can output the data signal (DATA) to a data driver (400).

[0051] The gate driver (300) can generate gate signals for driving the gate lines (GL) in response to a first control signal (CONT1) received from the timing controller (200). The gate driver (300) can output the gate signals to the gate lines (GL). For example, the gate driver (300) can sequentially output the gate signals to the gate lines (GL).

[0052] The data driver (400) can receive a second control signal (CONT2) and a data signal (DATA) from the timing controller (200). The data driver (400) can generate data voltages by converting the data signal (DATA) into an analog voltage. The data driver (400) can output the data voltages to a data line (DL).

[0053] FIG. 2 is a drawing showing an example of pixels (P) of the display device (1000) of FIG. 1. FIG. 3 is a block diagram showing a part of the display device (1000) of FIG. 1. FIG. 4 is a cross-sectional view showing a pixel (P) of the display device (1000) of FIG. 1. FIG. 5 is a circuit diagram showing an example of a sub-pixel (SP) of the display device (1000) of FIG. 1.

[0054] Referring to FIG. 2, each of the pixels (P) may include a first sub-pixel (SP1) displaying a first color, a second sub-pixel (SP2) displaying a second color, and a third sub-pixel (SP3) displaying a third color. The first color may be magenta (M), the second color may be cyan (C), and the third color may be blue (B). Although FIG. 2 illustrates a stripe structure, the present invention is not limited thereto.

[0055] The display panel driver (10) can display a gradation of a fourth color different from the first color of the input image data (IMG) on the first sub-pixel (SP1), and can display a gradation of a fifth color different from the second color of the input image data (IMG) on the second sub-pixel (SP2). The display panel driver (10) can display a gradation of a third color of the input image data (IMG) on the third sub-pixel (SP3). The fourth color can be red, and the fifth color can be green.

[0056] That is, the display panel driver (10) can display a red gradation on a first sub-pixel (SP1) that displays magenta (M), a green gradation on a second sub-pixel (SP2) that displays cyan (C), and a blue (B) gradation on a third sub-pixel (SP3) that displays blue (B). Accordingly, the display panel driver (10) can increase the immersion of a dog watching an image by displaying a red gradation on a first sub-pixel (SP1) that displays magenta (M), to which dogs have a higher color sensitivity than red, and displaying a green gradation on a second sub-pixel that displays cyan (C), to which dogs have a higher color sensitivity than green.

[0057] Referring to FIGS. 1, 3, and 4, a display device (1000) may include a light source unit (500). Each pixel (P) may include a first display substrate (110), a second display substrate (120), and a liquid crystal layer (130) interposed between the first display substrate (110) and the second display substrate (120).

[0058] The first display substrate (110) may be a thin film transistor substrate including thin film transistors (TFTs) (TRs in FIG. 5) formed in a matrix form. The first display substrate (110) may include a plurality of gate lines (GL) and a plurality of data lines (DL) connected to the thin film transistors.

[0059] The second display substrate (120) may be a color filter substrate including color filters (141, 142, 143) that express light provided from the light source unit (500) as a predetermined color. The second display substrate (120) may include a color filter (141) of a first color, a color filter (142) of a second color, and a color filter (143) of a third color. The first sub-pixel (SP1) may include a color filter (141) of the first color, the second sub-pixel (SP2) may include a color filter (142) of the second color, and the third sub-pixel (SP3) may include a color filter (143) of the third color. For example, the first sub-pixel (SP1) may include a magenta (M) color filter, the second sub-pixel (SP2) may include a cyan (C) color filter, and the third sub-pixel (SP3) may include a blue (B) color filter. The second display substrate (120) may further include a light-shielding pattern (BM) disposed between the color filters (141, 142, 143).

[0060] The first display substrate (110) may include a pixel electrode connected to a thin film transistor (TR of FIG. 5). The second display substrate (120) may include a common electrode facing the pixel electrode.

[0061] In contrast, the first display substrate (110) may include a pixel electrode connected to a thin film transistor and a common electrode facing the pixel electrode.

[0062] The light source unit (500) provides light to the display panel (100). The light source unit (500) may be disposed below the display panel (100). The light source unit (500) includes a light source that generates light. For example, the light source may be a cold cathode fluorescent lamp (CCFL), an external electrode fluorescent lamp (EEFL), a flat fluorescent lamp (FFL), or a light emitting diode (LED).

[0063] Referring to FIGS. 1 and 5, the display panel (100) may include pixels (P) that display an image. For example, each of the pixels (P) may include a thin film transistor (TR) electrically connected to a gate line (GL) and a data line (DL) that intersect each other, a liquid crystal capacitor (CLC) connected to the thin film transistor (TR), and a storage capacitor (CST). A first electrode of the liquid crystal capacitor (CLC) may be connected to the thin film transistor (TR), and a common voltage (VCOM) may be applied to a second electrode of the liquid crystal capacitor (CLC). A first electrode of the storage capacitor (CST) may be connected to a switching element (TR), and a storage voltage (VST) may be applied to a second electrode of the storage capacitor (CST).

[0064] FIG. 6 and FIG. 7 are tables showing an example of a display device according to embodiments of the present invention correcting the gradation of a third color in human mode.

[0065] The display device for use according to the present embodiments is substantially the same as the configuration of the display device for use (1000) of FIG. 1, except for the operation in human mode, and therefore the same reference numbers and reference symbols are used for the same or similar components, and redundant descriptions are omitted.

[0066] Referring to FIGS. 1, 2, and 6, the display panel driver (10) can display the gradation of the third color on the third sub-pixel (SP2) in the dog mode, and determine the corrected gradation of the third color by correcting the gradation of the third color based on the gradation of the fourth color and the gradation of the fifth color in the human mode, and display the corrected gradation of the third color on the third sub-pixel.

[0067] The display panel driver (10) can display the fourth color gradation in the first sub-pixel (SP1) and the fifth color gradation in the second sub-pixel (SP2) in the dog mode and the human mode, respectively. That is, the gradations displayed in the first sub-pixel (SP1) and the second sub-pixel (SP2) in the dog mode and the human mode can be the same regardless of the mode.

[0068] The display panel driver (10) determines the compensation gradation of the third color as the difference between the gradation of the third color and the sum of the gradation of the fourth color and the gradation of the fifth color in human mode when the sum of the gradation of the fourth color and the gradation of the fifth color is less than the gradation of the third color, and determines the compensation gradation of the third color as 0 when the sum of the gradation of the fourth color and the gradation of the fifth color is greater than or equal to the gradation of the third color in human mode.

[0069] For example, the compensation gradation of the third color can be determined using Equation 1 in human mode when the sum of the gradation of the fourth color and the gradation of the fifth color is less than the gradation of the third color.

[0070] [Formula 1]

[0071]

[0072] Here, CG3 may be a correction gradation of a third color, G3 may be a gradation of a third color, G4 may be a gradation of a fourth color, and G5 may be a gradation of a fifth color.

[0073] The first color may be magenta (M), the second color may be cyan (C), the third color may be blue (B), the fourth color may be red (R), and the fifth color may be green (G). In the examples below, the first to fifth colors are assumed to be as described above.

[0074] For example, as shown in Fig. 6, it is assumed that the red (R) gradation of the input image data (IMG) is 60 gradations (60G), the green (G) gradation of the input image data (IMG) is 100 gradations (100G), and the blue (B) gradation of the input image data (IMG) is 255 gradations (255G). If the blue (B) gradation is not corrected, the pixel (P) can display magenta (M) of 60 gradations (60G), cyan (C) of 100 gradations (100G), and blue (B) of 255 gradations (255G). Magenta (M) is a color that combines red (R) and blue (B) in a 1:1 ratio, and cyan (C) can be a color that combines green (G) and blue (B) in a 1:1 ratio. Therefore, the luminance of the perceived blue (B) can be greater than the luminance of the 255th gradation (255G) of blue (B).

[0075] For example, as shown in Fig. 6, it is assumed that the red (R) gradation of the input image data (IMG) is 60 gradations (60G), the green (G) gradation of the input image data (IMG) is 100 gradations (100G), and the blue (B) gradation of the input image data (IMG) is 255 gradations (255G). Since the sum of the red (R) gradations and the green (G) gradations is smaller than the blue (B) gradation (255G > 60G + 100G), the display panel driver (10) can determine the compensation gradation of blue (B) as the difference between the gradation of blue (B) and the sum of the red (R) gradations and the green (G) gradations. Accordingly, the compensation gradation of blue (B) can be 95 gradations (95G) (255G - 160G = 95G). Therefore, the luminance of the perceived blue (B) can be close to the luminance of the blue (B) of 255 levels (255G).

[0076] For example, as shown in Fig. 7, it is assumed that the red (R) gradation of the input image data (IMG) is 125 gradations (125G), the green (G) gradation of the input image data (IMG) is 130 gradations (130G), and the blue (B) gradation of the input image data (IMG) is 255 gradations (255G). If the blue (B) gradation is not corrected, the pixel (P) can display magenta (M) of 125 gradations (125G), cyan (C) of 130 gradations (130G), and blue (B) of 255 gradations (255G). Magenta (M) is a color that combines red (R) and blue (B) in a 1:1 ratio, and cyan (C) can be a color that combines green (G) and blue (B) in a 1:1 ratio. Therefore, the perceived luminance of blue (B) can be greater than the luminance of blue (B) in 255 grayscale levels (255G).

[0077] For example, as shown in Fig. 7, it is assumed that the red (R) gradation of the input image data (IMG) is 125 gradations (125G), the green (G) gradation of the input image data (IMG) is 130 gradations (130G), and the blue (B) gradation of the input image data (IMG) is 255 gradations (255G). Since the sum of the red (R) gradations and the green (G) gradations is equal to the blue (B) gradation (255G = 125G + 130G), the display panel driver (10) can determine the compensation gradation of blue (B) to be 0. Therefore, the luminance of blue (B) that is perceived can be close to the luminance of blue (B) of 255 gradations (255G). However, unlike in Fig. 7, when the sum of the red (R) and green (G) gradations is greater than the blue (B) gradation, the perceived luminance of blue (B) can be greater than 255 gradations (255G). However, even in this case, the perceived luminance of blue (B) can be made closer to the luminance of blue (B) of 255 gradations (255G) than when the blue (B) gradation is not corrected.

[0078] In this way, the dog display device can be used by both dogs and humans by correcting the gradation of input image data (IMG) to suit human characteristics (i.e., displaying images in RGB).

[0079] Fig. 8 is a drawing showing an example of pixels (P) of a display device according to embodiments of the present invention. Fig. 9 is a cross-sectional view showing a pixel (P) of the display device of Fig. 8.

[0080] The display device according to the present embodiments is substantially the same as the configuration of the display device (1000) of FIG. 1, except for the second color, and therefore the same reference numbers and reference symbols are used for the same or similar components, and redundant descriptions are omitted.

[0081] Referring to FIG. 8, each of the pixels (P) may include a first sub-pixel (SP1) displaying a first color, a second sub-pixel (SP2) displaying a second color, and a third sub-pixel (SP3) displaying a third color. The first color may be magenta (M), the second color may be yellow (Y), and the third color may be blue (B). Although FIG. 8 illustrates a stripe structure, the present invention is not limited thereto.

[0082] The display panel driver (10) can display the gradation of the fourth color of the input image data (IMG) on the first sub-pixel (SP1) and the gradation of the fifth color of the input image data (IMG) on the second sub-pixel (SP2). The display panel driver (10) can display the gradation of the third color of the input image data (IMG) on the third sub-pixel (SP3). The fourth color can be red and the fifth color can be green.

[0083] That is, the display panel driver (10) can display a red gradation on a first sub-pixel (SP1) that displays magenta (M), a green gradation on a second sub-pixel (SP2) that displays yellow (Y), and a blue (B) gradation on a third sub-pixel (SP3) that displays blue (B). Accordingly, the display panel driver (10) can increase the immersion of a dog watching an image by displaying a red gradation on a first sub-pixel (SP1) that displays magenta (M), which has a higher color sensitivity for dogs than red, and displaying a green gradation on a second sub-pixel that displays yellow (Y), which has a higher color sensitivity for dogs than green.

[0084] Referring to FIGS. 1, 3, and 9, each of the pixels (P) may include a first display substrate (110), a second display substrate (120), and a liquid crystal layer (130) interposed between the first display substrate (110) and the second display substrate (120).

[0085] The second display substrate (120) may be a color filter substrate including color filters (141, 142, 143) that express light provided from the light source unit (500) as a predetermined color. The second display substrate (120) may include a color filter (141) of a first color, a color filter (142) of a second color, and a color filter (143) of a third color. The first sub-pixel (SP1) may include a color filter (141) of the first color, the second sub-pixel (SP2) may include a color filter (142) of the second color, and the third sub-pixel (SP3) may include a color filter (143) of the third color. For example, the first sub-pixel (SP1) may include a magenta (M) color filter, the second sub-pixel (SP2) may include a yellow (Y) color filter, and the third sub-pixel (SP3) may include a blue (B) color filter. The second display substrate (120) may further include a light-shielding pattern (BM) disposed between the color filters (141, 142, 143).

[0086] FIG. 10 and FIG. 11 are tables showing an example of a display device according to embodiments of the present invention correcting the gradation of a first color and a gradation of a third color in human mode.

[0087] Since the display device for use according to the present embodiments is substantially the same as the configuration of the display device for use in FIG. 8, except for the operation in human mode, the same reference numbers and reference symbols are used for the same or similar components, and redundant descriptions are omitted.

[0088] Referring to FIGS. 1, 8, and 10, the display panel driver (10) can display a third color gradation on a third sub-pixel (SP2) in the dog mode, display a fourth color gradation on a first sub-pixel (SP1), and, in the human mode, determine a fourth color compensation gradation by compensating a fourth color gradation based on a fifth color gradation, display the fourth color compensation gradation on the first sub-pixel, determine a third color compensation gradation by compensating a third color gradation based on the fourth color compensation gradation, and display the third color compensation gradation on the third sub-pixel.

[0089] The display panel driver (10) can display the gradation of the fifth color in the second sub-pixel (SP2) in the dog mode and the human mode equally. That is, the gradation displayed in the second sub-pixel (SP2) in the dog mode and the human mode can be the same regardless of the mode.

[0090] The display panel driver (10) can determine the compensation gradation of the fourth color as the difference between the gradation of the fourth color and the gradation of the fifth color in human mode when the gradation of the fifth color is smaller than the gradation of the fourth color, and can determine the compensation gradation of the fourth color as 0 when the gradation of the fifth color is greater than or equal to the gradation of the fourth color.

[0091] For example, the correction gradation of the fourth color can be determined using Equation 2 in human mode when the gradation of the fifth color is smaller than the gradation of the fourth color.

[0092] [Formula 2]

[0093]

[0094] Here, CG4 may be the correction gradation of the fourth color, G4 may be the gradation of the fourth color, and G5 may be the gradation of the fifth color.

[0095] The display panel driver (10) can determine the compensation gradation of the third color as the difference between the gradation of the third color and the compensation gradation of the fourth color in human mode when the compensation gradation of the fourth color is smaller than the gradation of the third color, and can determine the compensation gradation of the third color as 0 when the compensation gradation of the fourth color is greater than or equal to the gradation of the third color.

[0096] For example, the compensation gradation of the third color can be determined using Equation 3 in human mode when the compensation gradation of the fourth color is smaller than the gradation of the third color.

[0097] [Formula 3]

[0098]

[0099] Here, CG3 may be a correction gradation of a third color, G3 may be a correction gradation of a third color, and CG4 may be a correction gradation of a fourth color.

[0100] The first color may be magenta (M), the second color may be yellow (Y), the third color may be blue (B), the fourth color may be red (R), and the fifth color may be green (G). In the examples below, the first to fifth colors are assumed to be as described above.

[0101] For example, as shown in Fig. 10, it is assumed that the red (R) gradation of the input image data (IMG) is 100 gradations (100G), the green (G) gradation of the input image data (IMG) is 60 gradations (60G), and the blue (B) gradation of the input image data (IMG) is 255 gradations (255G). If the gradations of red (R) and blue (B) are not corrected, the pixel (P) can display magenta (M) of 100 gradations (100G), yellow (Y) of 60 gradations (60G), and blue (B) of 255 gradations (255G). Magenta (M) is a color that combines red (R) and blue (B) in a 1:1 ratio, and yellow (Y) can be a color that combines green (G) and red (R) in a 1:1 ratio. Therefore, the luminance of red (R) displayed by the pixel (P) can be the luminance of red (R) of 160 gradations (160G). In other words, the luminance of red (R) that is perceived can be greater than the luminance of red (R) of 100 gradations (100G), which is the gradation of red (R) of the input image data (IMG). In addition, the luminance of blue (B) that is perceived can be greater than the luminance of blue (B) of 255 gradations (255G).

[0102] For example, as shown in Fig. 10, it is assumed that the red (R) gradation of the input image data (IMG) is 100 gradations (100G), the green (G) gradation of the input image data (IMG) is 60 gradations (60G), and the blue (B) gradation of the input image data (IMG) is 255 gradations (255G). Since the green (G) gradation is smaller than the red (R) gradation, the display panel driver (10) can determine the red (R) compensation gradation as the difference between the red (R) gradation and the green (G) gradation. Accordingly, the red (R) compensation gradation can be 40 gradations (40G) (100G - 60G = 40G). Therefore, the perceived red (R) luminance can be close to the red (R) luminance of 100 gradations (100G). Since the compensation gradation of red (R) is smaller than that of blue (B), the display panel driver (10) can determine the compensation gradation of blue (B) as the difference between the gradation of blue (B) and the compensation gradation of red (R). Accordingly, the compensation gradation of blue (B) can be 215 gradations (215G) (255G - 40G = 215G). Accordingly, the luminance of blue (B) that is perceived can be close to the luminance of blue (B) of 255 gradations (255G).

[0103] For example, as shown in Fig. 11, it is assumed that the red (R) gradation of the input image data (IMG) is 150 gradations (150G), the green (G) gradation of the input image data (IMG) is 180 gradations (180G), and the blue (B) gradation of the input image data (IMG) is 150 gradations (150G). If the blue (B) gradation is not corrected, the pixel (P) can display magenta (M) of 150 gradations (150G), yellow (Y) of 180 gradations (180G), and blue (B) of 150 gradations (150G). Magenta (M) is a color that combines red (R) and blue (B) in a 1:1 ratio, and yellow (Y) can be a color that combines red (R) and green (G) in a 1:1 ratio. Therefore, the luminance of red (R) that is perceived can be greater than the luminance of red (R) of 255 grayscales (255G). Also, the luminance of blue (B) that is perceived can be greater than the luminance of blue (B) of 255 grayscales (255G).

[0104] For example, as shown in Fig. 11, it is assumed that the red (R) gradation of the input image data (IMG) is 150 gradations (150G), the green (G) gradation of the input image data (IMG) is 180 gradations (180G), and the blue (B) gradation of the input image data (IMG) is 150 gradations (150G). Since the green (G) gradation is greater than the red (R) gradation, the display panel driver (10) can determine the red (R) correction gradation to be 0. Although the luminance of red (R) displayed by the pixel (P) is close to the red (R) luminance of 180 gradations (180G), the luminance of red (R) that is perceived can be made closer to the red (R) luminance of 150 gradations (150G) than when the red (R) gradation is not compensated. Since the compensation gradation of red (R) is smaller than that of blue (B), the display panel driver (10) can determine the compensation gradation of blue (B) as the difference between the gradation of blue (B) and the compensation gradation of red (R). Accordingly, the compensation gradation of blue (B) can be 150 gradations (150G) (150G - 0G = 150G). Accordingly, the luminance of blue (B) that is perceived can be close to the luminance of blue (B) of 150 gradations (150G).

[0105] In this way, the dog display device can be used by both dogs and humans by correcting the gradation of input image data (IMG) to suit human characteristics (i.e., displaying images in RGB).

[0106] FIG. 12 is a circuit diagram showing an example of a sub-pixel (SP) of a display device according to embodiments of the present invention.

[0107] The display device according to the present embodiments is substantially the same as the configuration of the display device (1000) of FIG. 1, except that it displays colors using a light-emitting element (EE) instead of a color filter, and therefore the same reference numbers and reference symbols are used for the same or similar components, and redundant descriptions are omitted.

[0108] Referring to FIG. 12, each of the sub-pixels (SP) may include a driving transistor (DT) including a control electrode connected to a first node (N1), a first electrode receiving a first power supply voltage (ELVDD) (e.g., a high power supply voltage), and a second electrode connected to a second node (N2), a first transistor including a control electrode receiving a scan signal (SC), a first electrode connected to a data line (DL), and a second electrode connected to the first node (N1), a second transistor including a control electrode receiving a sensing signal (SS), a first electrode connected to a sensing line (SL) (not shown in FIG. 1), and a second electrode connected to the second node (N2), and a light-emitting element (EE) including a first electrode connected to the second node (N2) and a second electrode receiving a second power supply voltage (ELVSS) (e.g., a low power supply voltage). Here, the scan signal (SC) and the sensing signal (SS) may be included in the gate signals. The light-emitting element (EE) may be an organic light-emitting diode (OLED).

[0109] As shown in Fig. 12, the first transistor (T1), the driving transistor (DT), and the second transistor (T2) may be n-type transistors. However, the sub-pixel (SP) according to embodiments of the present invention is not limited thereto. For example, the first transistor (T1), the driving transistor (DT), and the second transistor (T2) may be p-type transistors.

[0110] For example, the scan signal (SC) and the sensing signal (SS) may have activation levels, a data voltage may be applied to the first node (N1), and an initialization voltage may be applied to the second node (N2) (i.e., data writing operation). In addition, the scan signal (SC) and the sensing signal (SS) may have deactivation levels, and a driving current corresponding to the voltage of the control electrode of the driving transistor (DT) (i.e., the first node (N1)) may be applied to the light-emitting element (EE) (i.e., light-emitting operation).

[0111] In one embodiment, a scan signal (SC) and a sensing signal (SS) may have activation levels, a reference voltage may be applied to a first node (N1), and an initialization voltage may be applied to a second node (N2). In addition, the scan signal (SC) may have an inactivation level, the sensing signal (SS) may have an activation level, and a driving current corresponding to the voltage of a control electrode of a driving transistor (DT) (i.e., the first node (N1)) may be applied to a data driver (400) through a sensing line (SL) (i.e., a sensing operation). The data driver (400) may generate sensing data corresponding to the current value applied through the sensing line (SL) and apply the sensing data to a timing controller (200). The timing controller (200) may compensate for the input image data (IMG) based on the sensing data.

[0112] Each of the pixels (P) may include a first sub-pixel (SP1) displaying a first color, a second sub-pixel (SP2) displaying a second color, and a third sub-pixel (SP3) displaying a third color. The first color may be magenta, the second color may be cyan, and the third color may be blue.

[0113] For example, the first sub-pixel (SP1) may include a magenta light-emitting element (MEE) that displays magenta. For example, the second sub-pixel (SP2) may include a cyan light-emitting element (CEE) that displays cyan. For example, the third sub-pixel (SP3) may include a blue light-emitting element (BEE) that displays blue.

[0114] The display panel driver (10) can display the gradation of the fourth color of the input image data (IMG) on the first sub-pixel (SP1) and the gradation of the fifth color of the input image data (IMG) on the second sub-pixel (SP2). The display panel driver (10) can display the gradation of the third color of the input image data (IMG) on the third sub-pixel (SP3). The fourth color can be red and the fifth color can be green.

[0115] That is, the display panel driver (10) can display a red gradation on a first sub-pixel (SP1) that displays magenta (M), a green gradation on a second sub-pixel (SP2) that displays cyan (C), and a blue (B) gradation on a third sub-pixel (SP3) that displays blue (B). Accordingly, the display panel driver (10) can increase the immersion of a dog watching an image by displaying a red gradation on a first sub-pixel (SP1) that displays magenta (M), to which dogs have a higher color sensitivity than red, and displaying a green gradation on a second sub-pixel that displays cyan (C), to which dogs have a higher color sensitivity than green.

[0116] FIG. 13 is a circuit diagram showing an example of a sub-pixel (SP) of a display device according to embodiments of the present invention.

[0117] The display device according to the present embodiments is substantially the same as the configuration of the display device of FIG. 12, except for the light emitting element (EE) of the second sub-pixel (SP2), and therefore the same reference numbers and reference symbols are used for the same or similar components, and redundant descriptions are omitted.

[0118] Referring to FIG. 13, each of the pixels (P) may include a first sub-pixel (SP1) displaying a first color, a second sub-pixel (SP2) displaying a second color, and a third sub-pixel (SP3) displaying a third color. The first color may be magenta, the second color may be yellow, and the third color may be blue.

[0119] For example, the first sub-pixel (SP1) may include a magenta light-emitting element (MEE) that displays magenta. For example, the second sub-pixel (SP2) may include a yellow light-emitting element (YEE) that displays cyan. For example, the third sub-pixel (SP3) may include a blue light-emitting element (BEE) that displays blue.

[0120] The display panel driver (10) can display the gradation of the fourth color of the input image data (IMG) on the first sub-pixel (SP1) and the gradation of the fifth color of the input image data (IMG) on the second sub-pixel (SP2). The display panel driver (10) can display the gradation of the third color of the input image data (IMG) on the third sub-pixel (SP3). The fourth color can be red and the fifth color can be green.

[0121] That is, the display panel driver (10) can display a red gradation on a first sub-pixel (SP1) that displays magenta (M), a green gradation on a second sub-pixel (SP2) that displays yellow (Y), and a blue (B) gradation on a third sub-pixel (SP3) that displays blue (B). Accordingly, the display panel driver (10) can increase the immersion of a dog watching an image by displaying a red gradation on a first sub-pixel (SP1) that displays magenta (M), which has a higher color sensitivity for dogs than red, and displaying a green gradation on a second sub-pixel that displays yellow (Y), which has a higher color sensitivity for dogs than green.

[0122] Although not shown in the drawing, the display device may include a display panel including pixels including a first sub-pixel including a color filter of a first color, a second sub-pixel including a color filter of a second color, and a third sub-pixel including a color filter of a third color, and a display panel driver that displays a gradation of a fourth color different from the first color of input image data on the first sub-pixel and a gradation of a fifth color different from the second color of the input image data on the second sub-pixel, and each of the sub-pixels (i.e., the first sub-pixel, the second sub-pixel, and the third sub-pixel) may include a white light-emitting element. That is, the white light-emitting element may function as the light source unit (500) of FIG. 3.

[0123] The present invention can be applied to display devices and electronic devices including the same. For example, the present invention can be applied to digital TVs, 3D TVs, mobile phones, smart phones, tablet computers, VR devices, PCs, home electronic devices, laptop computers, PDAs, PMPs, digital cameras, music players, portable game consoles, navigation systems, and the like.

[0124] Although the present invention has been described with reference to the above embodiments, it will be understood by those skilled in the art that various modifications and changes can be made to the present invention without departing from the spirit and scope of the present invention as set forth in the claims below.

[0125] <Explanation of symbols>

[0126] 1000: Display device 10: Display panel driver

[0127] 100: Display panel 110: First display substrate

[0128] 120: Second display substrate 130: Liquid crystal layer

[0129] 141, 142, 143: Color filter 200: Timing controller

[0130] 300: Gate driver 400: Data driver

[0131] 500: Light source

Claims

1. A display panel including pixels including a first sub-pixel including a color filter of a first color, a second sub-pixel including a color filter of a second color, and a third sub-pixel including a color filter of a third color; and A display device comprising a display panel driver that displays a gradation of a fourth color different from the first color of input image data on the first subpixel and displays a gradation of a fifth color different from the second color of the input image data on the second subpixel.

2. A display device according to claim 1, characterized in that the display panel driver displays the gradation of the third color of the input image data on the third sub-pixel.

3. In the second paragraph, the first color is magenta, The third color above is blue, The fourth color above is red, A dog display device characterized in that the fifth color is green.

4. A display device for dogs, characterized in that in the third paragraph, the second color is cyan.

5. In the fourth paragraph, the display panel driving unit In the dog mode, the gradation of the third color is displayed on the third sub-pixel, A display device characterized in that, in human mode, the gradation of the third color is corrected based on the gradation of the fourth color and the gradation of the fifth color to determine the corrected gradation of the third color, and the corrected gradation of the third color is displayed on the third subpixel.

6. In the fifth paragraph, the display panel driving unit In the above human mode, if the sum of the gradation of the fourth color and the gradation of the fifth color is less than the gradation of the third color, the correction gradation of the third color is determined as the difference between the gradation of the third color and the sum of the gradation of the fourth color and the gradation of the fifth color, A display device characterized in that, in the human mode, when the sum of the gradation of the fourth color and the gradation of the fifth color is greater than or equal to the gradation of the third color, the correction gradation of the third color is determined to be 0.

7. In the 6th paragraph, the correction gradation of the third color is, in the human mode, when the sum of the gradation of the fourth color and the gradation of the fifth color is smaller than the gradation of the third color. (Here, CG3 is the correction gradation of the third color, G3 is the gradation of the third color, G4 is the gradation of the fourth color, and G5 is the gradation of the fifth color) A display device for dogs, characterized in that it is determined using .

8. A dog display device according to claim 3, characterized in that the second color is yellow.

9. In the 8th paragraph, the display panel driving unit In the dog mode, the gradation of the third color is displayed on the third sub-pixel, and the gradation of the fourth color is displayed on the first sub-pixel. A display device characterized in that, in human mode, the compensation gradation of the fourth color is determined by compensating the gradation of the fourth color based on the gradation of the fifth color, the compensation gradation of the fourth color is displayed on the first sub-pixel, and the compensation gradation of the third color is determined by compensating the gradation of the third color based on the compensation gradation of the fourth color, and the compensation gradation of the third color is displayed on the third sub-pixel.

10. In the 9th paragraph, the display panel driving unit In the above human mode, if the gradation of the fifth color is smaller than the gradation of the fourth color, the correction gradation of the fourth color is determined as the difference between the gradation of the fourth color and the gradation of the fifth color, A display device characterized in that, in the human mode, when the gradation of the fifth color is greater than or equal to the gradation of the fourth color, the correction gradation of the fourth color is determined to be 0.

11. In the 10th paragraph, the correction gradation of the fourth color is, in the human mode, when the gradation of the fifth color is smaller than the gradation of the fourth color. (Here, CG4 is the correction gradation of the fourth color, G4 is the gradation of the fourth color, and G5 is the gradation of the fifth color) A display device for dogs, characterized in that it is determined using .

12. In the 10th paragraph, the display panel driving unit In the above human mode, if the correction gradation of the fourth color is smaller than the gradation of the third color, the correction gradation of the third color is determined as the difference between the gradation of the third color and the correction gradation of the fourth color, A display device characterized in that, in the human mode, when the correction gradation of the fourth color is greater than or equal to the gradation of the third color, the correction gradation of the third color is determined to be 0.

13. In the 12th paragraph, the correction gradation of the third color is smaller than the correction gradation of the fourth color in the human mode. (Here, CG3 is the correction gradation of the third color, G3 is the correction gradation of the third color, and CG4 is the correction gradation of the fourth color) A display device for dogs, characterized in that it is determined using .

14. A display panel including pixels including a first sub-pixel including a light-emitting element of a first color, a second sub-pixel including a light-emitting element of a second color, and a third sub-pixel including a light-emitting element of a third color; and A display device comprising a display panel driver that displays a gradation of a fourth color different from the first color of input image data on the first subpixel and displays a gradation of a fifth color different from the second color of the input image data on the second subpixel.

15. A display device according to claim 14, characterized in that the display panel driver displays the gradation of the third color of the input image data on the third sub-pixel.

16. In the 15th paragraph, the first color is magenta, The third color above is blue, The fourth color above is red, A dog display device characterized in that the fifth color is green.

17. A display device for dogs, characterized in that in the 16th paragraph, the second color is cyan.

18. In the 17th paragraph, the display panel driving unit In the dog mode, the gradation of the third color is displayed on the third sub-pixel, In human mode, the gradation of the third color is corrected based on the gradation of the fourth color and the gradation of the fifth color to determine the corrected gradation of the third color, and the corrected gradation of the third color is displayed on the third subpixel. In the above human mode, if the gradation of the third color is greater than the sum of the gradation of the fourth color and the gradation of the fifth color, the correction gradation of the third color is determined as the difference between the gradation of the third color and the sum of the gradation of the fourth color and the gradation of the fifth color, A display device characterized in that, in the human mode, when the gradation of the third color is less than or equal to the sum of the gradation of the fourth color and the gradation of the fifth color, the correction gradation of the third color is determined to be 0.

19. A dog display device according to claim 16, characterized in that the second color is yellow.

20. In paragraph 19, the display panel driving unit In the dog mode, the gradation of the third color is displayed on the third sub-pixel, and the gradation of the fourth color is displayed on the first sub-pixel. In human mode, the compensation gradation of the fourth color is determined by compensating the gradation of the fourth color based on the gradation of the fifth color, and the compensation gradation of the fourth color is displayed on the first sub-pixel, and the compensation gradation of the third color is determined by compensating the gradation of the third color based on the compensation gradation of the fourth color, and the compensation gradation of the third color is displayed on the third sub-pixel. In the above human mode, if the gradation of the fourth color is greater than the gradation of the fifth color, the correction gradation of the fourth color is determined as the difference between the gradation of the fourth color and the gradation of the fifth color, In the above human mode, if the gradation of the fourth color is less than or equal to the gradation of the fifth color, the correction gradation of the fourth color is determined as 0, In the above human mode, if the gradation of the third color is greater than the correction gradation of the fourth color, the correction gradation of the third color is determined as the difference between the gradation of the third color and the correction gradation of the fourth color, A display device characterized in that, in the human mode, when the gradation of the third color is less than or equal to the correction gradation of the fourth color, the correction gradation of the third color is determined to be 0.

Images