基本信息:
- 专利标题: 게이트 구동회로 및 이를 포함하는 표시 장치
- 专利标题(英):Gate driving circuit and display apparatus having the same
- 专利标题(中):闸门驱动电路和显示装置
- 申请号:KR1020110091698 申请日:2011-09-09
- 公开(公告)号:KR1020130028274A 公开(公告)日:2013-03-19
- 发明人: 김범준 , 허명구 , 이봉준 , 문연규 , 이명섭 , 김규태
- 申请人: 삼성디스플레이 주식회사
- 申请人地址: 경기 용인시 기흥구 삼성로*(농서동)
- 专利权人: 삼성디스플레이 주식회사
- 当前专利权人: 삼성디스플레이 주식회사
- 当前专利权人地址: 경기 용인시 기흥구 삼성로*(농서동)
- 代理人: 박영우
- 主分类号: G09G3/36
- IPC分类号: G09G3/36
摘要:
PURPOSE: A gate driving circuit and a display device including the same are provided to reduce a delay section and to improve a high level of a gate signal by increasing a channel length of at least one transistor connected to a Q node to increase a signal level of the Q node in a boost-up section. CONSTITUTION: A gate output unit includes a plurality of stages. An n-th stage includes a clock terminal, a first input terminal, a second input terminal, a third input terminal, a first voltage terminal, a second voltage terminal, a first output terminal, and a second output terminal. A gate output unit(230) outputs a plurality of gate signals. The n-th stage includes a first transistor. The first transistor outputs a high voltage of a clock signal to a high voltage of the n-th gate signal. A first node control unit controls a signal of a control node and includes at least one transistor with a longer channel length than the channel length of the first transistor. A carry unit(240) outputs the high voltage of the clock signal to an n-th carry signal. A buffer unit(210) includes a fourth transistor. The fourth transistor applies the high voltage of the carry signal to the control node.
摘要(中):
目的:提供一种栅极驱动电路和包括该栅极驱动电路的显示装置以减少延迟部分并通过增加连接到Q节点的至少一个晶体管的沟道长度来提高栅极信号的高电平以增加信号电平 的升压部分中的Q节点。 构成:门输出单元包括多个级。 第n级包括时钟端子,第一输入端子,第二输入端子,第三输入端子,第一电压端子,第二电压端子,第一输出端子和第二输出端子。 门输出单元(230)输出多个门信号。 第n级包括第一晶体管。 第一晶体管将时钟信号的高电压输出到第n栅极信号的高电压。 第一节点控制单元控制控制节点的信号,并且包括至少一个具有比第一晶体管的沟道长度更长的沟道长度的晶体管。 进位单元(240)将时钟信号的高电压输出到第n进位信号。 缓冲单元(210)包括第四晶体管。 第四晶体管将进位信号的高电压施加到控制节点。
公开/授权文献:
- KR101893189B1 게이트 구동회로 및 이를 포함하는 표시 장치 公开/授权日:2018-08-30
信息查询:
EspacenetIPC结构图谱:
G | 物理 |
--G09 | 教育;密码术;显示;广告;印鉴 |
----G09G | 使用静态方法显示可变信息的指示装置 |
------G09G3/00 | 仅考虑与除阴极射线管以外的目视指示器连接的控制装置和电路 |
--------G09G3/04 | .用于从许多字符中选取单个字符或用个别的元件组合构成字符来显示单个字符,例如分段 |
----------G09G3/22 | ..采用受控制光源 |
------------G09G3/36 | ...采用液晶 |