Display panel, data processor, and method for manufacturing display panel

Patent metadata

Field	Value
Publication number	US-2016299387-A1
Application number	US-201615092221-A
Country	US
Kind code	A1
Filing date	Apr 6, 2016
Priority date	Apr 13, 2015
Publication date	Oct 13, 2016
Grant date	—

Abstract

Provided is a novel display panel that is highly convenient or reliable, a novel data processor that is highly convenient or reliable, or a method for manufacturing a novel display panel that is highly convenient or reliable. The display panel includes a pixel and a terminal electrically connected to the pixel. The pixel includes a first insulating film, a first contact portion in a first opening provided in the first insulating film, a pixel circuit electrically connected to the first contact portion, a second contact portion electrically connected to the pixel circuit, a first display element electrically connected to the first contact portion, and a second display element electrically connected to the second contact portion. The first insulating film includes a region lying between the first display element and the second display element. The terminal includes a surface at which contact with other component can be made.

First claim

1 . A display panel comprising a pixel and a terminal;
the pixel comprising:
a first insulating film;
a first contact portion in a first opening in the first insulating film;
a pixel circuit electrically connected to the first contact portion;
a second contact portion electrically connected to the pixel circuit;
a first display element electrically connected to the first contact portion; and
a second display element electrically connected to the second contact portion;
wherein the first insulating film is between the first display element and the second display element, wherein the first display element includes a first conductive film having a second opening, wherein the first conductive film is capable of reflecting incident light, wherein the first display element is capable of controlling the intensity of the reflected light, wherein the second display element includes a region overlapping with the second opening, wherein the region overlapping with the second opening emits light toward the second opening, and wherein the terminal is electrically connected to the pixel circuit.

2 . The display panel according to claim 1 , wherein the pixel circuit includes a switching element.

3 . The display panel according to claim 1 ,
wherein the pixel circuit includes a transistor, and wherein the transistor includes an oxide semiconductor.

4 . The display panel according to claim 1 ,
wherein the first display element includes a layer containing a liquid crystal material and the first conductive film and a second conductive film which are provided to control the alignment of the liquid crystal material, and wherein the first conductive film is electrically connected to the first contact portion.

5 . The display panel according to claim 1 ,
wherein the second display element includes a third conductive film, a fourth conductive film including a region overlapping with the third conductive film, and a layer containing a light-emitting organic compound between the third conductive film and the fourth conductive film, wherein the third conductive film is electrically connected to the second contact portion, and wherein the third conductive film transmits light.

6 . The display panel according to claim 1 ,
wherein the first display element is configured to reflect external light, and wherein the ratio of the total area of the second opening provided in the first conductive film to that of a portion of the first conductive film other than the second opening is more than or equal to 0.052 and less than or equal to 0.6.

7 . The display panel according to claim 1 , wherein the first conductive film includes a region embedded in the first insulating film.

8 . The display panel according to claim 1 ,
wherein the pixel includes a second insulating film in contact with the first conductive film.

9 . The display panel according to claim 1 , wherein the light emitted toward the second opening is extracted from a display surface of the display panel through the second opening.

10 . A display panel comprising a pixel and a terminal;
the pixel comprising:
a first insulating film;
a second insulating film in contact with the first insulating film;
a first contact portion in a first opening in the first insulating film and the second insulating film;
a pixel circuit electrically connected to the first contact portion;
a second contact portion electrically connected to the pixel circuit;
a first display element electrically connected to the first contact portion; and
a second display element electrically connected to the second contact portion;
wherein the first insulating film is between the first display element and the second display element, wherein the first display element includes a first conductive film having a second opening, wherein the first conductive film is capable of reflecting incident light, wherein the first display element is capable of controlling the intensity of the reflected light, wherein the second display element includes a region overlapping with the second opening, wherein the region overlapping with the second opening emits light toward the second opening, wherein the terminal is electrically connected to the pixel circuit, wherein the pixel circuit includes a first transistor electrically connected to the first contact portion and a second transistor electrically connected to the second contact portion, and wherein the second insulating film is in contact with the first transistor and the second transistor.

11 . The display panel according to claim 10 , wherein the first transistor and the second transistor each includes an oxide semiconductor.

12 . The display panel according to claim 10 ,
wherein the first display element includes a layer containing a liquid crystal material and the first conductive film and a second conductive film which are provided to control the alignment of the liquid crystal material, and wherein the first conductive film is electrically connected to the first contact portion.

13 . The display panel according to claim 10 ,
wherein the second display element includes a third conductive film, a fourth conductive film including a region overlapping with the third conductive film, and a layer containing a light-emitting organic compound between the third conductive film and the fourth conductive film, wherein the third conductive film is electrically connected to the second contact portion, and wherein the third conductive film transmits light.

14 . The display panel according to claim 10 ,
wherein the first display element is configured to reflect external light, and wherein the ratio of the total area of the second opening provided in the first conductive film to that of a portion of the first conductive film other than the second opening is more than or equal to 0.052 and less than or equal to 0.6.

15 . The display panel according to claim 10 , wherein the first conductive film includes a region embedded in the first insulating film.

16 . The display panel according to claim 10 ,
wherein the pixel includes a third insulating film, and wherein the first conductive film is between the second insulating film and the third insulating film.

17 . The display panel according to claim 10 , wherein the light emitted toward the second opening is extracted from a display surface of the display panel through the second opening.

Assignees

• Semiconductor Energy Lab

Inventors

• Yamazaki Shunpei
• Kusunoki Koji
• Hirakata Yoshiharu

Classifications

• G09G3/3677

  suitable for active matrices only · CPC title

• G02F1/13624

  having more than one switching element per pixel · CPC title

• G02F1/1368

  in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} · CPC title

• G02F1/136286

  Wiring, e.g. gate line, drain line · CPC title

• G02F1/134309 Primary

  characterised by their geometrical arrangement · CPC title