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Pixel circuit, driving method thereof and display device

A pixel circuit and circuit technology, applied in static indicators, instruments, etc., can solve problems such as multiple SPI signals and high system driving pressure, and achieve the effect of reducing process difficulty, reducing quantity, and improving competitive advantages

Active Publication Date: 2020-06-05
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the whole machine module is driven, more SPI signals are needed, which puts a greater pressure on the system driver

Method used

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  • Pixel circuit, driving method thereof and display device
  • Pixel circuit, driving method thereof and display device
  • Pixel circuit, driving method thereof and display device

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Embodiment Construction

[0041]In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0042] Unless otherwise defined, the technical terms or scientific terms disclosed and used in the embodiments of the present application shall have the usual meanings understood by those skilled in the field of the present invention. "First", "second" and similar words used in the embodiments of the present application do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "comprising" or "comprising" always indicate that the elements or items listed before the word cover the elements or objects listed after the...

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Abstract

The invention discloses a pixel circuit, a driving method thereof and a display device. The pixel circuit comprises a first switch sub-circuit, a partition driving chip and a plurality of light-emitting elements. The first switch sub-circuit is respectively connected with a scanning line, a data line and a first node and is used for writing a data voltage signal of the data line into the first node under the control of the scanning line; and the partition driving chip is connected with the first node and the plurality of light-emitting elements respectively and is used for judging driving timecorresponding to each light-emitting element according to a data voltage signal input by the first node, and driving the light-emitting elements to emit light by using the data voltage signal withinthe corresponding driving time. Active site selection driving is realized through the first switch sub-circuit and the partition driving chip, so that the number of glass-based wires is effectively reduced, the difficulty of a side edge wire routing process is greatly reduced, the driving power consumption and the driving cost of the whole display module are reduced, and the competitive advantageof a product is greatly improved.

Description

technical field [0001] The present application relates to but not limited to the field of display technology, and in particular relates to a pixel circuit, a driving method thereof, and a display device. Background technique [0002] As a new generation of display technology, the sub-millimeter light-emitting diode (Mini Light Emitting Diode, Mini LED) has low power consumption, high brightness, ultra-high resolution and color saturation, fast response, ultra-power saving, long life, and high efficiency. advantage. [0003] The Mini LED display device is usually driven by a Passive Matrix (PM) driving method, and the row driver chip and the column driver chip can be connected to each sub-pixel by multiplexing (MUX). like figure 1 As shown, taking the display resolution of 80*90 as an example, if the 1:90MUX method is used, each column needs a channel (CH) signal, and each row needs two MUX signals (the two MUX signals are used for the R sub-pixel and GB sub-pixel), a tota...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32
CPCG09G3/32
Inventor 谷其兵胡国锋王秀荣郝卫薛静时凌云陈明
Owner BOE TECH GRP CO LTD
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