IP Library Granted Patent US 12,738,240
Granted Patent B2
US 12,738,240 · App. 19/178,974 · Granted Sep 15, 2026

Display apparatus, photoelectric conversion device, and electronic equipment

Inventors: Takahiro Akiyama (Kanagawa, JP); Fumihiro Inui (Kanagawa, JP); Tetsuro Yamamoto (Kanagawa, JP); Takashi Muto (Kanagawa, JP); Shintaro Maekawa (Kanagawa, JP); Akihito Komazawa (Kanagawa, JP); Ryusei Kusuhara (Tokyo, JP)
Assignee: Canon Kabushiki Kaisha
G09G3/3426G09G2300/0426G09G2310/0286G09G2340/0407G09G2354/00
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Quick Facts
Patent No.
US 12,738,240
App. No.
19/178,974
Granted
Sep 15, 2026
Kind
B2
Abstract

A display apparatus includes a substrate, a plurality of pixels arranged in a display region on the substrate, and a control circuit configured to control a signal to be supplied to the pixel, wherein the display region includes a first region, and a second region surrounding the first region, a part of the first region is set as a third region changeable in position, the signal to be supplied to the pixel is controlled, so that a display resolution of a fourth region which is not the third region in the first region becomes lower than a display resolution of the third region, and a display resolution of the second region is set to a value equal to or lower than the display resolution of the fourth region by a circuit configuration of the pixel.

Claims (58)

1 . A display apparatus comprising:

a substrate;

a plurality of pixels arranged in a display region on the substrate; and

a control circuit configured to control a signal to be supplied to the pixel,

wherein the display region includes (1) a first region and (2) a second region surrounding the first region,

wherein a part of the first region is set as a third region changeable in position,

wherein the signal to be supplied to the pixel is controlled so that a display resolution of a fourth region, which is not the third region, in the first region becomes lower than a display resolution of the third region,

wherein a display resolution of the second region is set to a value equal to or lower than the display resolution of the fourth region by a circuit configuration of the pixel, and

wherein a density of the pixels in the third region is the same as a density of the pixels in the fourth region.

2 . The display apparatus according to claim 1 , wherein the display resolution of the second region is set to a value equal to or lower than the display resolution of the fourth region by a number of light-emitting elements connected with a circuit of a pixel of the second region being larger than a number of light-emitting elements connected with a circuit of a pixel of the fourth region.

3 . The display apparatus according to claim 1 , wherein a plurality of light-emitting elements are uniformly arranged in the display region, and

wherein each of the plurality of pixels includes one or more light-emitting elements.

4 . The display apparatus according to claim 3 , wherein the plurality of light-emitting elements are arranged in a matrix including a row direction and a column direction,

wherein to each of the plurality of light-emitting elements, a vertical scanning signal line arranged in the row direction, and a horizontal scanning signal line arranged in the column direction are connected, and

wherein in the second region, light-emitting elements adjacent in the row direction are connected with a same horizontal scanning signal line.

5 . The display apparatus according to claim 4 , wherein each of the plurality of pixels includes a plurality of sub-pixels having different luminescent colors, and

wherein all of two or more light-emitting elements to be connected with a same horizontal scanning signal line are light-emitting elements for emitting a first color.

6 . The display apparatus according to claim 3 , wherein to each of the plurality of light-emitting elements, a vertical scanning signal line and a horizontal scanning signal line are connected,

wherein the vertical scanning signal line includes a write control line and a light-emitting control line,

wherein each of the plurality of pixels includes one or more light-emitting elements, driving transistors, writing transistors, and light-emitting control transistors,

wherein the write control line is connected with a gate of the writing transistor,

wherein the light-emitting control line is connected with a gate of the light-emitting control transistor,

wherein the horizontal scanning signal line is connected with one of a source or a drain of the writing transistor,

wherein another of the source or the drain of the writing transistor is connected with a gate of the driving transistor,

wherein one of a source and a drain of the driving transistor is connected with the light-emitting element,

wherein another of the source and the drain of the driving transistor is connected with one of a source and a drain of the light-emitting control transistor, and

wherein another of the source and the drain of the light-emitting control transistor is connected with a power supply.

7 . The display apparatus according to claim 6 , wherein in the second region, two or more adjacent light-emitting elements are provided with one writing transistor,

wherein the two or more adjacent light-emitting elements are provided with two or more respectively corresponding driving transistors, and

wherein the another of the source or the drain of the writing transistor is connected with gates of the two or more driving transistors.

8 . The display apparatus according to claim 6 , wherein in the second region, two or more adjacent light-emitting elements are provided with two or more respectively corresponding writing transistors, and

wherein the ones of the source or the drain of the two or more writing transistors are connected with a same horizontal scanning signal line.

9 . The display apparatus according to claim 3 , wherein each of the plurality of light-emitting elements is connected with a vertical scanning signal line and a horizontal scanning signal line, and

wherein in the fourth region, a same horizontal scanning signal is supplied to two or more adjacent light-emitting elements.

10 . The display apparatus according to claim 3 , wherein the plurality of light-emitting elements are arranged in a matrix including a row direction and a column direction,

wherein each of the plurality of light-emitting elements is connected with a vertical scanning signal line arranged in the row direction and a horizontal scanning signal line arranged in the column direction,

wherein in a region where the third region is not present in the row direction, vertical scanning signals are sequentially supplied to light-emitting elements on a per-a-plurality-of-lines basis, and

wherein in a region where the third region is present in the row direction, vertical scanning signals are sequentially supplied to the light-emitting elements on a per-line basis.

11 . The display apparatus according to claim 1 , wherein the display region further includes a fifth region surrounding the second region, and

wherein a display resolution of the fifth region is set to a value lower than a display resolution of the third region by a circuit configuration of the pixel.

12 . The display apparatus according to claim 1 , further comprising a line-of-sight detection portion,

wherein the control circuit sets the third region on a basis of a detection result of the line-of-sight detection portion.

13 . The display apparatus according to claim 1 , further comprising an imaging element,

wherein the control circuit sets a region where a predetermined object in an image captured by the imaging element is displayed as the third region.

14 . The display apparatus according to claim 13 , wherein the control circuit detects the predetermined object from the image captured by the imaging element by using a discrimination circuit using a learned model.

15 . The display apparatus according to claim 1 , comprising a region specifying circuit,

wherein the control circuit sets the third region on a basis of information of the region specifying circuit.

16 . A photoelectric conversion device comprising:

an optical member;

an imaging element configured to receive a light that has passed through the optical member; and

a display apparatus configured to display an image captured by the imaging element,

wherein the display apparatus is the display apparatus according to claim 1 .

17 . Electronic equipment comprising:

the display apparatus according to claim 1 ;

a housing provided with the display apparatus; and

a communication circuit provided at the housing, and configured to communicate with the outside.

18 . The display apparatus according to claim 1 , wherein a density of pixel circuits in the second region is lower than a density of pixel circuits in the first region.

19 . The display apparatus according to claim 7 , wherein voltages written to the gates of the driving transistors, which are respectively connected to the light-emitting elements adjacent to each other in the row direction, are the same.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 20, 2025
From: AKIYAMA, TAKAHIRO; INUI, FUMIHIRO; YAMAMOTO, TETSURO; MUTO, TAKASHI; MAEKAWA, SHINTARO; KOMAZAWA, AKIHITO; KUSUHARA, RYUSEI
To: CANON KABUSHIKI KAISHA
Reel/Frame 071160/0675 →
Priority Claims (1)
JP 2024-073709 · Apr 30, 2024 · national
Continuity (1)
Related Publication 20250336373A1 · Oct 30, 2025
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