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Pixel memory circuits, LCD displays and wearable devices

A memory circuit, pixel electrode technology, applied in static indicators, electronic timers, instruments, etc., can solve the problems of high transformation cost, difficult PMOS process, and limit the wide application of wearable devices, and achieves technical difficulty and cost reduction. Effect

Inactive Publication Date: 2021-01-26
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For current a-Si panel manufacturers, it is difficult to introduce PMOS technology and the cost of equipment transformation is high, which seriously limits its wide application in the wearable device market

Method used

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  • Pixel memory circuits, LCD displays and wearable devices
  • Pixel memory circuits, LCD displays and wearable devices
  • Pixel memory circuits, LCD displays and wearable devices

Examples

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] The working principle of liquid crystal display: Liquid crystal is a special substance between solid and liquid. It is an organic compound, which is liquid under normal conditions, but its molecular arrangement is as regular as solid crystal, so it is named liquid crystal. , Its other special property is that if an electric field is applied to the liquid crystal, its molecular arrangement will be changed. At this time, if it is equipped with a polarizer,...

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Abstract

Embodiments of the present invention provide a pixel memory circuit, a liquid crystal display, and a wearable device, which relate to the field of display technology. The pixel memory circuit can realize data voltage latching, and its production technology is difficult and low in cost. The pixel memory circuit includes a latch subcircuit and a switch subcircuit which are only composed of N-type transistors. Wherein, the first terminal of the switch subcircuit receives the data voltage, the control terminal of the switch subcircuit receives the line scanning signal, the second terminal of the switch subcircuit is connected with the input terminal of the latch subcircuit to form the first node, and the switch subcircuit is used for Under the control of the row scanning signal, the data voltage is output to the latch sub-circuit; the latch sub-circuit is also connected to the power terminal and the ground terminal, and the latch sub-circuit is used to latch the data voltage and generate the first latch signal and the second latch signal.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a pixel memory circuit, a liquid crystal display and a wearable device. Background technique [0002] The smartwatch market has been booming since LG released its first smartwatch, the G Watch R. In recent years, not only major international manufacturers have made efforts in the field of smart watches, but Chinese manufacturers have also increased their market presence in this field. In terms of LCD technology improvement, the Japanese panel manufacturer (Japan Display) announced the launch of an ultra-low power reflective LCD (Liquid Crystal Display, liquid crystal display) panel using MIP (memory-in-pixel, pixel memory) technology, which can Applied to wearable devices. The LCD panel can not only achieve 64-color display, but also has advantages in power consumption, which can be compared with Sharp LCD panels. [0003] Currently, the MIP technology is implemented by using...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/36G02F1/1368G09G3/3659G09G2300/0857G09G2330/021G02F1/1365G04G9/12G09G3/3696
Inventor 古宏刚邵贤杰赵飞
Owner BOE TECH GRP CO LTD
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