IP Library Granted Patent US 11,493,435
Granted Patent B2
US 11,493,435 · App. 16/766,774 · Granted Nov 8, 2022

Array substrate and micro total analysis device

Inventors: Yingming Liu (Beijing, CN); Xue Dong (Beijing, CN); Haisheng Wang (Beijing, CN); Xiaochuan Chen (Beijing, CN); Xiaoliang Ding (Beijing, CN); Lei Wang (Beijing, CN); Changfeng Li (Beijing, CN); Pinchao Gu (Beijing, CN); Ping Zhang (Beijing, CN); Xueyou Cao (Beijing, CN)
Assignee: Beijing BOE Technology Development Co., Ltd.
G01N21/255G01N21/27G02F1/13624H01L27/1222H01L27/3262H01L27/124
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Quick Facts
Patent No.
US 11,493,435
App. No.
16/766,774
Granted
Nov 8, 2022
Kind
B2
Abstract

The present disclosure discloses an array substrate and a micro total analysis device. The array substrate includes: a substrate, a plurality of pixel regions arranged on the substrate and defined by the intersection of a plurality of data lines and a plurality of gate lines, and a plurality of drive transistors arranged in the plurality of pixel regions respectively; each drive transistor includes a first active layer pattern, a first extension direction of the first active layer pattern forms a first preset angle with a gate line, and in a first preset angle direction, the first active layer pattern spans a pixel region in an inclined manner; and source and drain electrodes of the each drive transistor are coupled with the active layer pattern in the first preset angle direction.

Claims (21)

1. An array substrate, comprising:

a substrate;

a plurality of data lines and a plurality of gate lines, arranged on the substrate and intersected to define a plurality of pixel regions;

a plurality of drive transistors, arranged in the plurality of pixel regions respectively; and

a plurality of induction transistors arranged in the plurality of pixel regions respectively;

wherein each drive transistor comprises a first active layer pattern, a first extension direction of the first active layer pattern forms a first preset angle with a gate line adjacent to the each drive transistor, and in a first preset angle direction, the first active layer pattern spans a pixel region corresponding to the each drive transistor in an inclined manner; and source and drain electrodes of the each drive transistor are coupled with two ends, in the first preset angle direction, of the first active layer pattern;

a second extension direction of a second active layer pattern of each induction transistor forms a second preset angle with a gate line adjacent to the each induction transistor, and in a second preset angle direction, the second active layer pattern of the each induction transistor spans a pixel region corresponding to the each induction transistor in the inclined manner; and

source and drain electrodes of the each induction transistor are coupled with two ends, in the second preset angle direction, of the second active layer pattern.

2. The array substrate of claim 1 , wherein the pixel region is a quadrangle, and the first extension direction of the first active layer pattern is the same as a diagonal direction of the pixel region; and

a distance between the first active layer pattern and the diagonal satisfies a preset threshold.

3. The array substrate of claim 2 , wherein the first active layer pattern extends along the diagonal direction of the pixel region.

4. The array substrate of claim 3 , wherein the pixel region is a rectangle.

5. The array substrate of claim 3 , wherein the pixel region is a parallelogram, and the first active layer pattern extends along a long diagonal direction of the parallelogram.

6. The array substrate of claim 1 , wherein the second extension direction of the second active layer pattern of the each induction transistor is in parallel with the first extension direction of the first active layer pattern of the each drive transistor, and a first orthographic projection of the first active layer pattern on the substrate and a second orthographic projection of the second active layer pattern on the substrate do not overlap with each other.

7. The array substrate of claim 1 , wherein a second length of the second active layer pattern of the each induction transistor is smaller than a first length of the first active layer pattern of the each drive transistor.

8. The array substrate of claim 1 , further comprising a photosensitive device arranged in the pixel region, wherein the photosensitive device is electrically coupled with one of the source and drain electrodes of the each induction transistor; and

a third orthographic projection of the photosensitive device on the substrate and a fourth orthographic projection of the each drive transistor on the substrate do not overlap with each other.

9. The array substrate of claim 8 , further comprising: a transparent drive electrode arranged in the pixel region, and the transparent drive electrode is electrically coupled with one of the source and drain electrodes of the each drive transistor; and

the transparent drive electrode is arranged on a side, deviating from the substrate, of the photosensitive device, and a fifth orthographic projection of the transparent drive electrode on the substrate covers the third orthographic projection of the photosensitive device on the substrate.

10. A micro total analysis device, comprising the array substrate according to claim 1 .

11. The micro total analysis device of claim 10 , further comprising: an optical waveguide arranged opposite to the array substrate, wherein a space for accommodating to-be-analyzed objects is arranged between the array substrate and the optical waveguide.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 28, 2022
From: BOE TECHNOLOGY GROUP CO., LTD.
To: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
Reel/Frame 060650/0805 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 26, 2020
From: LIU, YINGMING; DONG, XUE; WANG, HAISHENG; CHEN, XIAOCHUAN; DING, XIAOLIANG; WANG, LEI; LI, CHANGFENG; GU, PINCHAO; ZHANG, PING; CAO, XUEYOU
To: BOE TECHNOLOGY GROUP CO., LTD.
Reel/Frame 052745/0515 →
Priority Claims (1)
CN 201910002555.2 · Jan 2, 2019 · national
Continuity (1)
Related Publication 20210215596A1 · Jul 15, 2021