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公开(公告)号：KR1020150069787A
公开(公告)日：2015-06-24
申请号：KR1020130156329
申请日：2013-12-16
Applicant: 한국전자통신연구원
CPC classification number: G09G3/20 , G09G2310/0286 , G09G2320/043
Abstract: 본발명의실시예에따른더블게이트트랜지스터들의문턱전압을보상하는문턱전압감지부를포함하는시프트레지스터에있어서, 상기문턱전압감지부는: 제 1 감지트랜지스터; 상기제 1 감지트랜지스터의문턱전압을감지하는감지커패시터; 그리고제 2 감지트랜지스터를포함하되, 상기제 2 감지트랜지스터가턴-오프상태일때 감지된보상전압이더블게이트트랜지스터들로인가될수 있다. 본발명에따르면, 시프트레지스터의주요트랜지스터들을더블게이트트랜지스터로구성함으로써, 문턱전압을조절하여 NBIS 열화현상으로인한시프트레지스터의오작동을방지할수 있다. 그리고, 게이트드라이버의소모전력도감소시킬수 있다.
Abstract translation: 在根据本发明实施例的包括用于校正双栅极晶体管的阈值电压的阈值电压检测部分的移位寄存器中，阈值电压检测部分包括：第一检测晶体管; 用于检测第一检测晶体管的阈值电压的检测电容器; 和第二检测晶体管。 当第二检测晶体管截止时，可以将检测到的校正电压施加到双栅极晶体管。 根据本发明，移位寄存器的主晶体管由双栅晶体管形成。 因此，可以通过控制阈值电压来防止由于NBIS的劣化导致的移位寄存器的故障。 并且，可以减少门驱动器的功耗。
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公开(公告)号：KR1020150069317A
公开(公告)日：2015-06-23
申请号：KR1020130155593
申请日：2013-12-13
Applicant: 한국전자통신연구원 , 건국대학교 산학협력단
IPC: G09G3/20
Abstract: 본발명의실시예에따른게이트드라이버회로는복수의스테이지들을포함하고, 각각의스테이지는다이오드커넥션을이루는두 개의입력트랜지스터로구성된입력부, 풀-업트랜지스터와부트스트랩커패시터로구성된풀-업부, 각각두 개의트랜지스터로구성된제 1 및제 2 풀-다운부를포함한다. 실시예에따라서, 입력부및 풀-업부사이의노드에연결된입력커패시터를더 포함할수 있다. 그리고, 출력단자에연결되어하이상태나로우상태의출력신호를다음스테이지로전송하도록구성된캐리부를더 포함할수 있다. 본발명에의하면, 공핍모드특성을갖는산화물박막트랜지스터를안정적으로동작시킬수 있고, 소비전력도감소시킬수 있다. 또한, 게이트드라이버회로의각 스테이지의출력파형이이전스테이지의출력파형과절반씩중첩되게출력함으로써픽셀의충전시간을늘릴수 있다.
Abstract translation: 根据本发明实施例的栅极驱动器电路包括多个级。 每个级包括输入部分，其包括二极管连接的两个输入晶体管，由上拉晶体管和自举电容器组成的上拉部分，以及由两个晶体管组成的下拉部分。 根据实施例，本发明还包括连接到输入部分和上拉部分之间的节点的输入电容器。 本发明还包括一个进位部分，连接到一个输出端，并将一个高或低状态的输出信号传送到下一级。 根据本发明，可以稳定地操作具有耗尽特性的氧化物薄膜晶体管。 功耗可以降低。 此外，栅极驱动电路的各级的输出波形与前一级的输出波形重叠，然后被输出。 由此，可以延长像素的充电时间。
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公开(公告)号：KR101395086B1
公开(公告)日：2014-05-19
申请号：KR1020100053968
申请日：2010-06-08
Applicant: 한국전자통신연구원
CPC classification number: G11C11/22
Abstract: 본 발명은 메모리 셀 및 이를 이용한 메모리 장치에 관한 것으로, 특히 저장 수단으로서 강유전체 트랜지스터를 구비한 비휘발성 비파괴 판독형 랜덤 억세스 메모리 셀 및 이를 이용한 메모리 장치에 관한 것이다. 본 발명은 메모리 셀에 있어서, 드레인에 기준 전압이 인가되는 강유전체 트랜지스터; 스캔 신호에 응답하여 상기 강유전체 트랜지스터의 소스를 제1라인에 연결시키는 제1스위치; 및 스캔 신호에 응답하여 상기 강유전체 트랜지스터의 게이트를 제2라인에 연결시키는 제2스위치를 포함한다. 본 발명에 따르면, 랜덤 억세스가 가능하며, 리드 동작시 비파괴형으로 동작하는 메모리 장치를 제공할 수 있다.
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公开(公告)号：KR1020140029111A
公开(公告)日：2014-03-10
申请号：KR1020130009285
申请日：2013-01-28
Applicant: 한국전자통신연구원 , 건국대학교 산학협력단
Abstract: A single-input type level shifter according to an embodiment of the present invention comprises: an input unit which authorizes a voltage power to a first node in response to an input signal and applies the input signal to a second node in response to a reference signal; a boot strapping unit which authorizes the voltage power to the second node according to different levels of the first node; an output unit which authorizes the input signal to an output terminal in response to the reference signal so that it can apply the voltage power to the output terminal according to the different voltage levels of the first node; and the boot strapping unit includes a capacitor which is located in between the first and the second node. The boot strapping unit increases the voltage level of the first node higher than that of the voltage power once the input signal is converted from a first voltage level into a second voltage level.
Abstract translation: 根据本发明的实施例的单输入型电平移位器包括：输入单元，其响应于输入信号授权对第一节点的电压功率，并响应于参考信号将输入信号施加到第二节点 ; 启动捆扎单元，其根据所述第一节点的不同级别授权所述第二节点的电压功率; 输出单元，其响应于参考信号向输出端授权输入信号，使得其可以根据第一节点的不同电压电平向输出端施加电压功率; 并且所述引导带捆绑单元包括位于所述第一和第二节点之间的电容器。 一旦输入信号从第一电压电平转换为第二电压电平，启动带捆绑单元就增加第一节点的电压高于电压功率的电压电平。
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公开(公告)号：KR1020140019989A
公开(公告)日：2014-02-18
申请号：KR1020120086241
申请日：2012-08-07
Applicant: 한국전자통신연구원
IPC: H05B33/02
CPC classification number: H01L27/3267 , G02F1/133553 , G02F2001/133626 , H01L51/5271
Abstract: The present invention relates to a dual display device with a vertical structure which allows a spontaneous display or reflective display in response to a situation by forming a reflective display device and a spontaneous display device vertically on a substrate, and provides a display with a high resolution. The dual display in the vertical structure comprises: a thin film transistor placed on the substrate; a layer of white light emitting element formed on the thin film transistor; a reflection adjustment layer formed on the white light emitting element; and a color conversion layer formed on the reflection adjustment layer. [Reference numerals] (AA,CC) Ultraviolet light; (BB) Reflected light
Abstract translation: 本发明涉及具有垂直结构的双重显示装置，其通过在基板上垂直形成反射显示装置和自发显示装置来响应于这种情况而进行自发显示或反射显示，并提供具有高分辨率的显示 。 垂直结构中的双显示器包括：放置在基板上的薄膜晶体管; 形成在所述薄膜晶体管上的白色发光元件层; 形成在白色发光元件上的反射调节层; 以及形成在反射调节层上的颜色转换层。 （附图标记）（AA，CC）紫外线; （BB）反光
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Patent Agency Ranking
公开(公告)号：KR1020130091887A
公开(公告)日：2013-08-20
申请号：KR1020120013203
申请日：2012-02-09
Applicant: 한국전자통신연구원
IPC: G02F1/01
CPC classification number: G09G5/10 , G02B5/201 , G02B26/001 , G02F1/157 , G02F2201/44 , G09G3/2003 , G09G3/22 , G09G3/3208 , G09G3/3466 , G09G3/3473 , G09G5/00 , G09G2300/023 , G09G2300/0452 , G09G2300/046
Abstract: PURPOSE: A dual-mode pixel and a dual-mode display containing the same are provided to display an image by independently emitting light according to the intensity of light projected from the outside or selectively reflecting the projected light, thereby displaying a clear image regardless of the intensity of light projected from the outside. CONSTITUTION: A self-emitting device (100) is formed at the top of a first membrane (210). One or more membranes (220,230) are formed around the first membrane. A bottom layer is formed at the bottom of the first membrane and one or more membranes by being separated from the first membrane and one or more membranes. When operated in first mode, a dual-mode pixel emits light by driving the self-emitting device. When operated in second mode, the dual-mode pixel selectively reflects projected light by using the interference of light generated between the first membrane and one or more membranes and the bottom layer.
Abstract translation: 目的：提供包含其的双模像素和双模式显示器，以通过根据从外部投射的光的强度独立发光来显示图像，或者选择性地反射投影光，从而显示清晰的图像，而不管 从外面投射光线的强度。 构成：在第一膜（210）的顶部形成自发射装置（100）。 在第一膜周围形成一个或多个膜（220,230）。 通过与第一膜和一个或多个膜分离，在第一膜的底部和一个或多个膜上形成底层。 当在第一模式下操作时，双模式像素通过驱动自发射器件而发光。 当在第二模式下操作时，双模像素通过使用在第一膜与一个或多个膜和底层之间产生的光的干涉来选择性地反射投影光。
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公开(公告)号：KR1020130042730A
公开(公告)日：2013-04-29
申请号：KR1020110106782
申请日：2011-10-19
Applicant: 한국전자통신연구원
CPC classification number: G02B26/005 , G02B2207/115
Abstract: PURPOSE: An eletrowetting display is provided to secure the stability of driving by safely controlling the moving direction and speed of a non-polarized fluid without the patterning process of a thin film or additional surface processing through forming a part of the pixel separation wall of the electrowetting display with conducting materials. CONSTITUTION: An eletrowetting display comprises a first substrate part(201) formed at the viewing side of the display. The eletrowetting display comprises a second substrate part(203) formed at the rear side of the display. The eletrowetting display comprises a pixel separation wall(213) formed between the first and second substrates for separating pixel regions and a part of the separation wall is formed with conducting materials. The eletrowetting display comprises polar fluids(215) and nonpolar fluids(217) filling the pixel region separated by the pixel separation wall.
Abstract translation: 目的：提供电镀显示器，以通过安全地控制非极化流体的移动方向和速度来确保驱动的稳定性，而无需薄膜的图案化处理或附加的表面处理，通过形成一部分像素分隔壁 导电材料电润湿显示。 构成：电泳显示器包括形成在显示器的观看侧的第一衬底部分（201）。 电镀显示器包括形成在显示器后侧的第二基板部分（203）。 电镀显示器包括形成在第一和第二基板之间的用于分离像素区域的像素分离壁（213），并且一部分隔离壁由导电材料形成。 电喷显示器包括填充由像素分隔壁分隔的像素区域的极性流体（215）和非极性流体（217）。
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公开(公告)号：KR1020120084966A
公开(公告)日：2012-07-31
申请号：KR1020110006316
申请日：2011-01-21
Applicant: 한국전자통신연구원
IPC: H01L29/786 , G02F1/136
CPC classification number: H01L29/7869 , H01L21/02631
Abstract: PURPOSE: A thin film transistor and a manufacturing method thereof are provided to massively produce a large area thin film transistor to be used for a large area display by forming a titanium oxide layer applied to the thin film transistor as an active layer through a sputtering process. CONSTITUTION: A gate electrode(110) is formed on a substrate(100). A gate insulating layer(120) is formed on the gate electrode. An active layer(130) is formed on the gate insulating layer. The active layer is formed by applying titanium oxide. A protective layer(140) is formed on the active layer. A source electrode(150a) and a drain electrode(150b) are formed on both sides of the active layer.
Abstract translation: 目的：提供一种薄膜晶体管及其制造方法，通过溅射法形成施加到薄膜晶体管作为有源层的氧化钛层，大面积地制造用于大面积显示的大面积薄膜晶体管 。 构成：在基板（100）上形成栅电极（110）。 栅极绝缘层（120）形成在栅电极上。 在栅极绝缘层上形成有源层（130）。 通过施加氧化钛形成活性层。 在有源层上形成保护层（140）。 源极电极（150a）和漏电极（150b）形成在有源层的两侧。
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公开(公告)号：KR1020120078557A
公开(公告)日：2012-07-10
申请号：KR1020110046955
申请日：2011-05-18
Applicant: 한국전자통신연구원 , 건국대학교 산학협력단
IPC: G09G3/36
CPC classification number: G09G3/3674 , G09G2310/08 , H01L29/7869 , H03K19/01742
Abstract: PURPOSE: A scan driver is provided to prevent malfunction caused due to turn-off of transistor by being composed of a transistor with a depletion mode characteristic. CONSTITUTION: An input switch(710) controls an input of an output signal of stage according to a first clock. A pull-up unit(720) transmits a first output signal clock to an output node. A pull-down unit(740) constantly maintains a node voltage between the input switch and pull-up unit. A pull-down unit(730) constantly maintains a voltage of the output node.
Abstract translation: 目的：提供扫描驱动器，以防止由于具有耗尽模式特性的晶体管组成的由于晶体管截止而引起的故障。 构成：输入开关（710）根据第一时钟控制载物台的输出信号的输入。 上拉单元（720）将第一输出信号时钟发送到输出节点。 下拉单元（740）在输入开关和上拉单元之间始终保持节点电压。 下拉单元（730）始终保持输出节点的电压。
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公开(公告)号：KR1020120078556A
公开(公告)日：2012-07-10
申请号：KR1020110046952
申请日：2011-05-18
Applicant: 한국전자통신연구원 , 건국대학교 산학협력단
CPC classification number: G09G3/36 , G09G3/3614 , G09G2310/08 , H01L2924/13069 , H01L2924/13091 , H02M3/07
Abstract: PURPOSE: A DC voltage conversion circuit of liquid crystal display apparatus is provided to be used in driving of liquid crystal display devices by generating a higher voltage from a clock signal and limited DC voltage. CONSTITUTION: A main pumping circuit unit(710) includes a first TFT through eighth TFT. The main pumping circuit unit outputs a voltage to drive a liquid crystal device. A gate control signal generator(720) controls a voltage applied to a gate of a plurality of TFT by a reversal of a clock signal. The gate control signal generator includes a eleventh TFT through sixteenth TFT. The main pumping circuit unit and gate control signal generator generate a voltage by sharing each other's nodes.
Abstract translation: 目的：提供一种液晶显示装置的直流电压转换电路，用于通过从时钟信号和有限的直流电压产生较高的电压来驱动液晶显示装置。 构成：主泵电路单元（710）包括第一TFT至第八TFT。 主泵电路单元输出驱动液晶装置的电压。 门控制信号发生器（720）通过反转时钟信号来控制施加到多个TFT的栅极的电压。 栅极控制信号发生器包括第十一TFT至第十六TFT。 主泵电路单元和门控信号发生器通过共享彼此的节点产生电压。
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