US 2018/0322841 A1Published application

Shift register circuit and display panel using same

AssigneeChongqing Hkc Optoelectronics Technology Co., Ltd.

InventorYu-Jen CHEN

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Abstract

A shift register circuit includes shift registers and each including: a first through fourth switches: in the first switch: a control end electrically coupled to a first node, a first end electrically coupled to a frequency signal, and a second end electrically coupled to an output pulse signal; in the second switch: a control end electrically coupled to the first node, a first end of electrically coupled to the frequency signal, and a second end electrically coupled to a control signal; in the third switch: a control end electrically coupled to a control signal, a first end electrically coupled to a first direct-current signal, and a second end electrically coupled to the first node; in the fourth switch: a control end electrically coupled to the control signal, a first end electrically coupled to a second direct-current signal, and a second end electrically coupled to the first node.

Claims16

Dependent claims

A shift register circuit, comprising a plurality of shift registers, wherein each shift register comprises:

a first switch, wherein a control end of the first switch is electrically coupled to a first node, a first end of the first switch is electrically coupled to a frequency signal, and a second end of the first switch is electrically coupled to an output pulse signal;
a second switch, wherein a control end of the second switch is electrically coupled to the first node, a first end of the second switch is electrically coupled to the frequency signal, and a second end of the second switch is electrically coupled to a control signal;
a third switch, wherein a control end of the third switch is electrically coupled to a control signal, a first end of the third switch is electrically coupled to a first direct-current signal, and a second end of the third switch is electrically coupled to the first node;
and
a fourth switch, wherein a control end of the fourth switch is electrically coupled to the control signal, a first end of the fourth switch is electrically coupled to a second direct-current signal, and a second end of the fourth switch is electrically coupled to the first node.

2 more elements

A liquid crystal display panel, comprising:

a first substrate;
a second substrate, disposed opposite the first substrate;
a liquid crystal layer, disposed between the first substrate and the second substrate;
a first polarizer, disposed on an outer surface of the first substrate;
and a second polarizer, disposed on an outer surface of the second substrate, wherein a polarizing direction of the first polarizer and a polarizing direction of the second polarizer are in parallel to each other;
and
a shift register circuit, disposed on the first substrate or the second substrate.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/556,093Filed 17 May 2017
Priority: CN 201710313131.95 May 2017
Published: 8 Nov 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

G09G 3/3677
Details of drivers for scan electrodes: suitable for active matrices only
G02F 1/133528
Structural association of cells with optical devices, e.g. polarisers or reflectors: polarisers
G11C 19/28
Digital stores in which the information is moved stepwise, e.g. shift registers: using semiconductor elements
G11C 19/287
Using semiconductor elements: organisation of a multiplicity of shift registers

Family

No related US applications are recorded in the indexed filing history.

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