# US 12,010,874 B2 · Display apparatus, display panel 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 12,010,874 B2 - Document ID: US12010874B2 - Status: Granted - Kind: B2 - Application number: 17/993,745 - Filed: 2022-11-23 - Published: 2023-07-06 - Granted: 2024-06-11 - Earliest claimed: 2021-12-31 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Jieun Kang; Jung-Min Lee - Web page: https://patentgrep.com/patent/US12010874B2 ## CPC - H10K 59/1213: {the pixel elements being TFTs} - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels} - G09G 2300/0413: Details of dummy pixels or dummy lines in flat panels - G09G 2300/0819: used for counteracting undesired variations, e.g. feedback or autozeroing - G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor - G09G 2300/0861: with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes - G09G 2320/0233: Improving the luminance or brightness uniformity across the screen - G09G 2320/0686: with two or more screen areas displaying information with different brightness or colours - H10K 59/65: OLEDs integrated with inorganic image sensors - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - 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 The present disclosure provides a display apparatus, a display panel and an electronic apparatus. The display apparatus comprises a display panel and a camera unit formed on a lower portion of the display panel, wherein the display panel includes a display area including a plurality of subpixels and a non-display area positioned on at least one side of the display area, the display area includes a first display area and a second display area overlapped with the camera unit, and the number of light emitting elements provided in a unit area of the first display area is greater than the number of light emitting elements provided in the unit area of the second display area. ## Claims ### Claim 1 A display apparatus comprising: a display panel and a camera unit formed on a lower portion of the display panel, wherein the display panel includes a display area including a plurality of subpixels and a non-display area positioned on at least one side of the display area, the display area includes a first display area and a second display area overlapped with the camera unit, at least one of the plurality of subpixels disposed in the second display area includes the light emitting element and a first pixel circuit including a first driving transistor, other subpixels in the second display area include a second pixel circuit different from the first pixel circuit and do not include the light emitting elements, a source electrode of the first driving transistor of the first pixel circuit is directly connected to a source electrode of a second driving transistor of the second pixel circuit, the second driving transistor of the second pixel circuit driving the light emitting element of the at least one of the plurality of subpixels in the second display area, such that current of the second pixel circuit is supplied to the light emitting element or the first driving transistor of the first pixel circuit in the second display area, and the number of light emitting elements provided in a unit area of the first display area is greater than the number of light emitting elements provided in the unit area of the second display area. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein the first pixel circuit further includes: a first transistor; a second transistor for supplying a data signal to a source electrode of the first transistor; a third transistor for supplying a power voltage to the source electrode of the first transistor; and a fourth transistor for connecting a drain electrode of the first transistor with an anode electrode of the light emitting element. ### Claim 3 (depends on 2) The display apparatus of claim 2, wherein the number of transistors provided in the second pixel circuit is less than the number of transistors provided in the first pixel circuit. ### Claim 4 (depends on 3) The display apparatus of claim 3, wherein the second pixel circuit further includes: a first transistor; a third transistor for supplying a power voltage to a source electrode of the first transistor; and a fourth transistor connected to a drain electrode of the first transistor. ### Claim 5 (depends on 4) The display apparatus of claim 4, wherein the first and second pixel circuits provided in the second display area are electrically connected to each other. ### Claim 6 (depends on 4) The display apparatus of claim 4, wherein the source electrodes of the first transistors respectively provided in the first and second pixel circuits in the second display area are electrically connected to each other. ### Claim 7 (depends on 4) The display apparatus of claim 4, wherein the drain electrodes of the fourth transistors respectively provided in the first and second pixel circuits in the second display area are electrically connected to each other. ### Claim 8 (depends on 2) The display apparatus of claim 2, wherein a width of a channel of the first transistor provided in the second display area is greater than a width of a channel of the first transistor provided in the first display area. ### Claim 9 (depends on 2) The display apparatus of claim 2, wherein a magnitude of a voltage of the data signal supplied to the first pixel circuit provided in the second display area is greater than a magnitude of a voltage of the data signal supplied to the first pixel circuit provided in the first display area. ### Claim 10 A display panel, comprising: a first display area comprising a plurality of subpixels, each of the subpixels in the first display area comprising a light emitting element; and a second display area comprising a plurality of pixels, wherein a part of subpixels among the plurality of subpixels in the second display area each includes a light emitting element and a first pixel circuit including a first driving transistor, while each of other subpixels in the second display area includes a second pixel circuit different from the first pixel circuit and does not include a light emitting element, and the second display area is overlapped with a camera unit provided on a lower portion of the display panel, wherein a source electrode of the first driving transistor of the first pixel circuit is directly connected to a source electrode of a second driving transistor of the second pixel circuit, the second driving transistor of the second pixel circuit driving the light emitting element of the at least one of the plurality of subpixels in the second display area, such that current of the second pixel circuit is supplied to the light emitting element or the first driving transistor of the first pixel circuit. ### Claim 11 (depends on 10) The display panel according to claim 10, wherein the second pixel circuit is not electrically connected with a data line. ### Claim 12 (depends on 11) The display panel according to claim 11, wherein, the first and second pixel circuits provided in the second display area are electrically connected to each other. ### Claim 13 (depends on 12) The display panel according to claim 12, wherein the first pixel circuit includes: a first transistor; a second transistor for supplying a data signal to a source electrode of the first transistor; a third transistor for supplying a power voltage to the source electrode of the first transistor; and a fourth transistor for connecting a drain electrode of the first transistor with an anode electrode of the light emitting element, and the second pixel circuit includes: a first transistor; a third transistor for supplying a power voltage to a source electrode of the first transistor; and a fourth transistor connected to a drain electrode of the first transistor, wherein the source electrodes of the first transistors respectively provided in the first and second pixel circuits in the second display area are electrically connected to each other, and/or the drain electrodes of the fourth transistors respectively provided in the first and second pixel circuits in the second display area are electrically connected to each other. ### Claim 14 (depends on 10) A display apparatus comprising the display panel according to claim 10 and the camera unit. ### Claim 15 (depends on 1) An electronic apparatus comprising the display apparatus according to claim 1.