# US 2014/0198140 A1 · Display, image processing unit, image processing method, and electronic apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0198140 A1 - Document ID: US20140198140A1 - Status: Published application - Kind: A1 - Application number: 14/087,478 - Filed: 2013-11-22 - Published: 2014-07-17 - Earliest claimed: 2013-01-11 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Tomoya Yano; Atsushi Ito; Ryo Ogawa - Web page: https://patentgrep.com/patent/US20140198140A1 ## CPC - G09G 5/10: Intensity circuits - G09G 3/2074: {using sub-pixels} - G09G 3/32: semiconductive, e.g. using light-emitting diodes [LED] - G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components - G09G 2320/0276: for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction - G09G 2340/0435: Change or adaptation of the frame rate of the video stream - G09G 2340/06: Colour space transformation - G09G 2360/16: Calculation or use of calculated indices related to luminance levels in display data - 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 An image processing method includes: obtaining, based on a plurality of pieces of first luminance information that correspond to fourth sub-pixels contained in a pixel region to which a focused pixel belongs and based on a relative positional relationship between a first sub-pixel and the fourth sub-pixel in a display pixel, second luminance information that corresponds to the fourth sub-pixel of the focused pixel, in which the focused pixel is a display pixel in a display section that includes a plurality of display pixels each having the first sub-pixel, a second sub-pixel, and a third sub-pixel that are configured to emit light of basic colors, and the fourth sub-pixel that is configured to emit light of a color other than the basic colors; and replacing the first luminance information that corresponds to the fourth sub-pixel of the focused pixel with the second luminance information. ## Claims ### Claim 1 A display, comprising: a display section including a plurality of display pixels each having a first sub-pixel, a second sub-pixel, and a third sub-pixel that are configured to emit light of basic colors, and a fourth sub-pixel that is configured to emit light of a color other than the basic colors; and a processing section configured to obtain, based on a plurality of pieces of first luminance information that correspond to the fourth sub-pixels contained in a pixel region to which a focused pixel among the display pixels belongs and based on a relative positional relationship between the first sub-pixel and the fourth sub-pixel in the display pixel, second luminance information that corresponds to the fourth sub-pixel of the focused pixel, and configured to replace the first luminance information that corresponds to the fourth sub-pixel of the focused pixel with the second luminance information. ### Claim 2 (depends on 1) The display according to claim 1, wherein the processing section creates a luminance information map in which the pieces of first luminance information in the pixel region are disposed at respective positions of the first sub-pixels, and obtains, based on the luminance information map and through interpolation, the second luminance information at a position of the fourth sub-pixel of the focused pixel. ### Claim 3 (depends on 1) The display according to claim 1, further comprising a luminance information generation section configured to obtain, based on three pieces of first basic luminance information that correspond to the respective first sub-pixel, the second sub-pixel, and the third sub-pixel of each of the display pixels, a light emission rate of the fourth sub-pixel of the display pixel, and configured to obtain, based on the light emission rate and the three pieces of first basic luminance information, the first luminance information of that display pixel. ### Claim 4 (depends on 3) The display according to claim 3, wherein the luminance information generation section obtains the light emission rate, based on luminance information having a smallest value among the three pieces of first basic luminance information. ### Claim 5 (depends on 4) The display according to claim 4, wherein the light emission rate is low when the luminance information having the smallest value has a low luminance level, and is high when the luminance information having the smallest value has a high luminance level. ### Claim 6 (depends on 3) The display according to claim 3, wherein the luminance information generation section smooths the light emission rate between the display pixels, and obtains, based on the smoothed light emission rate and the three pieces of first basic luminance information, the first luminance information. ### Claim 7 (depends on 3) The display according to claim 3, wherein the luminance information generation section generates three pieces of second basic luminance information that correspond to the three pieces of first basic luminance information, based on the light emission rate and the three pieces of first basic luminance information. ### Claim 8 (depends on 1) The display according to claim 1, wherein a luminosity factor for the color light emitted by the first sub-pixel is substantially equal to or higher than a luminosity factor for the color light emitted by the second sub-pixel, and is substantially equal to or higher than a luminosity factor for the color light emitted by the third sub-pixel. ### Claim 9 (depends on 1) The display according to claim 1, wherein the first sub-pixel, the second sub-pixel, and the third sub-pixel emit the color light of green, red, and blue, respectively, and a luminosity factor for the color light emitted by the fourth sub-pixel is substantially equal to or higher than a luminosity factor for the green color light emitted by the first sub-pixel. ### Claim 10 (depends on 9) The display according to claim 9, wherein the fourth sub-pixel emits white color light. ### Claim 11 An image processing unit, comprising a processing section configured to obtain, based on a plurality of pieces of first luminance information that correspond to fourth sub-pixels contained in a pixel region to which a focused pixel belongs and based on a relative positional relationship between a first sub-pixel and the fourth sub-pixel in a display pixel, second luminance information that corresponds to the fourth sub-pixel of the focused pixel, the focused pixel being a display pixel in a display section that includes a plurality of display pixels each having the first sub-pixel, a second sub-pixel, and a third sub-pixel that are configured to emit light of basic colors, and the fourth sub-pixel that is configured to emit light of a color other than the basic colors, and configured to replace the first luminance information that corresponds to the fourth sub-pixel of the focused pixel with the second luminance information. ### Claim 12 An image processing method, comprising: obtaining, based on a plurality of pieces of first luminance information that correspond to fourth sub-pixels contained in a pixel region to which a focused pixel belongs and based on a relative positional relationship between a first sub-pixel and the fourth sub-pixel in a display pixel, second luminance information that corresponds to the fourth sub-pixel of the focused pixel, the focused pixel being a display pixel in a display section that includes a plurality of display pixels each having the first sub-pixel, a second sub-pixel, and a third sub-pixel that are configured to emit light of basic colors, and the fourth sub-pixel that is configured to emit light of a color other than the basic colors; and replacing the first luminance information that corresponds to the fourth sub-pixel of the focused pixel with the second luminance information. ### Claim 13 An electronic apparatus provided with a display and a control section configured to perform operation control on the display, the display comprising: a display section including a plurality of display pixels each having a first sub-pixel, a second sub-pixel, and a third sub-pixel that are configured to emit light of basic colors, and a fourth sub-pixel that is configured to emit light of a color other than the basic colors; and a processing section configured to obtain, based on a plurality of pieces of first luminance information that correspond to the fourth sub-pixels contained in a pixel region to which a focused pixel among the display pixels belongs and based on a relative positional relationship between the first sub-pixel and the fourth sub-pixel in the display pixel, second luminance information that corresponds to the fourth sub-pixel of the focused pixel, and configured to replace the first luminance information that corresponds to the fourth sub-pixel of the focused pixel with the second luminance information.