# US 2025/0147370 A1 · Display Device and Electronic Device Including the Display Device

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2025/0147370 A1
- Document ID: US20250147370A1
- Status: Published application
- Kind: A1
- Application number: 19/014,390
- Filed: 2025-01-09
- Published: 2025-05-08
- Earliest claimed: 2012-07-20
- Assignees: Semiconductor Energy Laboratory Co., Ltd.
- Applicants: Semiconductor Energy Laboratory Co., Ltd.
- Inventors: Yasuharu HOSAKA; Yukinori SHIMA; Kenichi OKAZAKI; Shunpei YAMAZAKI
- Web page: https://patentgrep.com/patent/US20250147370A1

## CPC

- G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)}
- G02F 1/133345: {Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence)}
- G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)}
- G02F 1/1337: Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F 1/13454: {Drivers integrated on the active matrix substrate (G02F1/136277 takes precedence)}
- G02F 1/136227: {Through-hole connection of the pixel electrode to the active element through an insulation layer}
- H10D 86/40: characterised by multiple TFTs
- H10D 86/423: {comprising semiconductor materials not belonging to the Group IV, e.g. InGaZnO}
- H10D 86/451: {characterised by the compositions or shapes of the interlayer dielectrics}
- H10D 86/60: wherein the TFTs are in active matrices
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES

## Abstract

The display device includes a first substrate provided with a driver circuit region that is located outside and adjacent to a pixel region and includes at least one second transistor which supplies a signal to the first transistor in each of the pixels in the pixel region, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first interlayer insulating film including an inorganic insulating material over the first transistor and the second transistor, a second interlayer insulating film including an organic insulating material over the first interlayer insulating film, and a third interlayer insulating film including an inorganic insulating material over the second interlayer insulating film. The third interlayer insulating film is provided in part of an upper region of the pixel region, and has an edge portion on an inner side than the driver circuit region.

## Claims

### Claim 1

A display device comprising:
a pixel portion comprising:
a first transistor;
a first insulating film over the first transistor;
a second insulating film over the first insulating film;
a third insulating film over the second insulating film;
a first electrode over the third insulating film, the first electrode being electrically connected to the first transistor;
a first alignment film over the first electrode; and
a liquid crystal layer over the first alignment film; and
a driver circuit portion comprising:
a second transistor;
the first insulating film over the second transistor;
the second insulating film over the first insulating film; and
the first alignment film over the second insulating film,
wherein the first insulating film comprises an inorganic insulating material,
wherein the second insulating film comprises an organic insulating material,
wherein the third insulating film comprises an inorganic insulating material, and
wherein the first alignment film is entirely in contact with the second insulating film in the driver circuit portion.