CN115812237A - 源极驱动电路、显示装置和数据驱动方法 - Google Patents

源极驱动电路、显示装置和数据驱动方法 Download PDF

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Publication number
CN115812237A
CN115812237A CN202180000894.2A CN202180000894A CN115812237A CN 115812237 A CN115812237 A CN 115812237A CN 202180000894 A CN202180000894 A CN 202180000894A CN 115812237 A CN115812237 A CN 115812237A
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CN
China
Prior art keywords
circuit
voltage
output
output end
reference voltage
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Pending
Application number
CN202180000894.2A
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English (en)
Inventor
李洪革
纪付璐
郭晓宇
李新国
吴晓
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Publication of CN115812237A publication Critical patent/CN115812237A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3275—Details of drivers for data electrodes
    • G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements

Abstract

一种源极驱动电路，包括：插值电路(1)和辅助电路(2)；插值电路(1)与第一基准电压输入端(IN1)、第二基准电压输入端(IN2)、灰阶电压输出端(OUT‑VG)和控制信号输入端(CG)连接，配置为响应于控制信号输入端(CG)所提供的插值控制信号的控制，在第一基准电压输入端(IN1)所提供的第一基准电压(VL)与第二基准电压输入端(IN2)所提供的第二基准电压(VH)之间进行插值处理，并将插值处理所得到的目标灰阶电压(V2，V4)写入至灰阶电压输出端(OUT‑VG)，第一基准电压(VL)小于第二基准电压(VH)；辅助电路(2)与第一基准电压输入端(IN1)、第二基准电压输入端(IN2)和灰阶电压输出端(OUT‑VG)连接，配置为在灰阶电压输出端(OUT‑VG)处电压小于第一基准电压(VL)时对灰阶电压输出端(OUT‑VG)进行充电处理，以及在灰阶电压输出端(OUT‑VG)处电压大于第二基准电压(VH)时对灰阶电压输出端(OUT‑VG)进行放电处理。

Description

PCT国内申请，说明书已公开。

Claims (18)

  1. PCT国内申请，权利要求书已公开。
CN202180000894.2A 2021-04-25 2021-04-25 源极驱动电路、显示装置和数据驱动方法 Pending CN115812237A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/089615 WO2022226687A1 (zh) 2021-04-25 2021-04-25 源极驱动电路、显示装置和数据驱动方法

Publications (1)

Publication Number Publication Date
CN115812237A true CN115812237A (zh) 2023-03-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180000894.2A Pending CN115812237A (zh) 2021-04-25 2021-04-25 源极驱动电路、显示装置和数据驱动方法

Country Status (2)

Country Link
CN (1) CN115812237A (zh)
WO (1) WO2022226687A1 (zh)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070093540A (ko) * 2006-03-14 2007-09-19 삼성전자주식회사 표시 장치
CN104299588B (zh) * 2014-10-27 2017-01-11 京东方科技集团股份有限公司 栅极驱动电路、栅极驱动方法和显示装置
CN107909976B (zh) * 2017-11-22 2020-01-31 深圳市华星光电技术有限公司 显示驱动方法及装置
US10755655B2 (en) * 2018-01-17 2020-08-25 Novatek Microelectronics Corp. Source driver and operation method for improving display quality
CN109859669B (zh) * 2019-03-20 2022-09-02 北京大学深圳研究生院 一种高速栅极驱动单元及电路
CN110085169B (zh) * 2019-06-10 2020-10-02 北京航空航天大学 一种用于平板显示的10-bit高速充放电驱动电路装置
CN110660369B (zh) * 2019-09-06 2022-05-20 北京集创北方科技股份有限公司 显示驱动方法、源极驱动电路、驱动芯片以及显示装置

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WO2022226687A1 (zh) 2022-11-03

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