# US 2019/0172425 A1 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0172425 A1 - Document ID: US20190172425A1 - Status: Published application - Kind: A1 - Application number: 16/266,725 - Filed: 2019-02-04 - Published: 2019-06-06 - Earliest claimed: 2015-08-19 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Shuji Hayashi; Takayuki Nakanishi - Web page: https://patentgrep.com/patent/US20190172425A1 ## CPC - G09G 5/391: Resolution modifying circuits, e.g. variable screen formats - G09G 3/2003: {Display of colours (specific for liquid crystal displays G09G3/3607)} - G09G 3/3622: {using a passive matrix (G09G3/3674 - G09G3/3696 take precedence)} - G09G 5/026: {Control of mixing and/or overlay of colours in general (G09G5/022 and G09G5/024 take precedence)} - G09G 3/3406: {Control of illumination source (illumination devices structurally associated with liquid crystal cells G02F1/1336)} - G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components - G09G 2300/0456: with a reflective area and a transmissive area combined in one pixel, such as in transflectance pixels - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract According to an aspect, a display device includes a display panel including sub-pixels of three primary colors, and pixels having a high-luminance color having higher luminance than that of the primary colors. The three primary colors include a first primary color, a second primary color, and a third primary color. The number of the sub-pixels is smaller than twice the number of the pixels, sub-pixels of the same color are arranged at even intervals in a row direction and at even intervals in a column direction, and the sub-pixels of the same color are arranged in a staggered manner. ## Claims ### Claim 1 A display device comprising sub-pixels of three primary colors and pixels having a high-luminance color having higher luminance than respective luminances of the primary colors, wherein the three primary colors include a first primary color, a second primary color, and a third primary color, sub-pixels of a same color are arranged at even intervals in a row direction and at even intervals in a column direction, the sub-pixels of the same color are arranged in a staggered manner, and the pixels are arranged in a matrix along the row and column directions. ### Claim 2 The display device according to 1, wherein one of the sub-pixels having the first primary color, one of the sub-pixels having the second primary color, and one of the sub-pixels having the third primary color are adjacent to each of the pixels. ### Claim 3 The display device according to 2, wherein the pixels are trapezoidal, and two parallel sides of each of the pixels along a predetermined direction have respective lengths at a ratio of 1 to 2, and two sides of each of the sub-pixels along the predetermined direction have a length that is the same as a length of a shorter one of the two parallel sides of the pixel. ### Claim 4 The display device according to 2, wherein the pixels and the sub-pixels are rectangular, and parallel sides of each of the pixels that extend along a predetermined direction and that are adjacent to the sub-pixels have a length that is 1.5 times a length of a side along the predetermined direction of each of the sub-pixels. ### Claim 5 The display device according to 2, wherein the pixels and the sub-pixels are arranged along a first direction in pixel rows and sub-pixel rows, respectively, and pixel rows and sub-pixel rows are alternately arranged along a second direction orthogonal to the first direction, and when an intermediate line between sub-pixels of two of the primary colors in one of two sub-pixel rows facing each other with one of the pixel rows interposed between the two sub-pixel rows is extended along the second direction, an intermediate position in the first direction of a sub-pixel of the other primary color in the other of the two rows is on the extended intermediate line. ### Claim 6 The display device according to 5, wherein a width in the first direction of the sub-pixel is equal to or larger than a width in the first direction of the pixel, and the width in the first direction of the sub-pixel is smaller than twice the width in the first direction of the pixel. ### Claim 7 The display device according to 5, wherein a width in the first direction of the sub-pixel is twice a width in the first direction of the pixel, and a boundary line between two pixels in each of the pixel rows is not located on the extended intermediate line between sub-pixels of the two colors in one of the two sub-pixel rows. ### Claim 8 The display device according to 7, wherein the pixels have a hexagonal shape having acute angles on one side and obtuse angles on the other side, and the sub-pixels have a shape meshing with the hexagonal shape. ### Claim 9 The display device according to 8, wherein the sub-pixels are pentagonal or hexagonal. ### Claim 10 The display device according to 8, wherein the sub-pixels are rhombic or triangular. ### Claim 11 The display device according to 2, wherein the pixels and the sub-pixels are alternately arranged with respect to two orthogonal directions. ### Claim 12 The display device according to 2, wherein the pixels and the sub-pixels are hexagonal. ### Claim 13 A display device comprising: sub-pixels of three primary colors including a first primary color, a second primary color, and a third primary color; and pixels having a high-luminance color having higher luminance than respective luminances of the primary colors, wherein sub-pixels of same color are arranged at even intervals in a row direction and at even intervals in a column direction, and the sub-pixels of the same color and the pixels are arranged in a staggered manner. ### Claim 14 The display device according to 13, wherein one of the sub-pixels having the first primary color, one of the sub-pixels having the second primary color, and one of the sub-pixels having the third primary color are adjacent to each of the pixels. ### Claim 15 The display device according to 13, wherein the pixels and the sub-pixels are triangular. ### Claim 16 The display device according to 13, wherein the pixels are hexagonal, and the sub-pixels have a Y-shape that fills gaps between the pixels. ### Claim 17 The display device according to 13, wherein the pixels and the sub-pixels are rectangular, and a width in the row direction of the sub-pixels exceeds twice a width in the row direction of the pixels. ### Claim 18 A display device comprising: sub-pixels of three primary colors including a first primary color, a second primary color, and a third primary color; and pixels having a high-luminance color having higher luminance than respective luminances of the primary colors, wherein sub-pixels of a same color are arranged at even intervals in a row direction and at even intervals in a column direction, and the sub-pixels of the same color and the pixels are arranged in a matrix along the row and column directions. ### Claim 19 The display device according to 18, wherein the pixels and the sub-pixels each have a shape including diagonals, in which the diagonals of the shape are along two orthogonal directions. ### Claim 20 The display device according to 18, wherein a width in a predetermined direction of the sub-pixels is 1.5 times a width in the predetermined direction of the pixels.