-
公开(公告)号:US10324344B2
公开(公告)日:2019-06-18
申请号:US16231633
申请日:2018-12-24
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
IPC: H01L27/12 , G02F1/1362 , G02F1/1345 , G02F1/13 , G09G3/36 , G02F1/1368 , G09G3/00
Abstract: A liquid crystal display panel and its driving circuit, manufacturing method are disclosed. The driving circuit has a first switching element. The first terminal of the first switching element is connected to one data line of the liquid crystal display panel. At the array manufacturing process stage, the control terminal of the first switching element is input a first reference voltage. The second terminal of the first switching element is connected to a first discharge circuit. During the stage to drive the liquid crystal display panel to display or to test the liquid crystal display panel, the control terminal of the first switching element is input a first control signal. The second terminal of the first switching element is input a data signal. By the aforementioned ways, it can simultaneously achieve an ESD protection and to save the panel space to be favorable for narrow frame design.
-
公开(公告)号:US10203574B2
公开(公告)日:2019-02-12
申请号:US14897624
申请日:2015-09-24
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
IPC: H01L27/12 , G02F1/1362 , G02F1/13 , G02F1/1345 , G09G3/36 , G02F1/1368 , G09G3/00
Abstract: A liquid crystal display panel and its driving circuit, manufacturing method are disclosed. The driving circuit has a first switching element. The first terminal of the first switching element is connected to one data line of the liquid crystal display panel. At the array manufacturing process stage, the control terminal of the first switching element is input a first reference voltage. The second terminal of the first switching element is connected to a first discharge circuit. During the stage to drive the liquid crystal display panel to display or to test the liquid crystal display panel, the control terminal of the first switching element is input a first control signal. The second terminal of the first switching element is input a data signal. By the aforementioned ways, it can simultaneously achieve an ESD protection and to save the panel space to be favorable for narrow frame design.
-
公开(公告)号:US10170506B2
公开(公告)日:2019-01-01
申请号:US15863991
申请日:2018-01-08
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
IPC: H01L29/66 , H01L29/786 , H01L27/12 , H01L21/28
Abstract: An LTPS array substrate and a method for producing the same are proposed. The method includes: forming an insulating layer, a semiconductor layer, and a first positive photoresist layer on the substrate one by one; exposing one side of the substrate on the opposite side of the gate for forming a polycrystalline silicon layer; forming a source and a drain of the TFT on the polycrystalline silicon layer; forming a pixel electrode on the insulating layer and part of the source; forming a plain passivation layer on a source-drain electrode layer; forming a transparent electrode layer on the plain passivation layer so that the transparent electrode layer is connected to the gate, the source, and the drain via the contact hole. The use of masks in types and numbers in the LTPS technology can be reduced. Thus, both of the processes and the production costs are reduced.
-
公开(公告)号:US09893097B2
公开(公告)日:2018-02-13
申请号:US14762458
申请日:2015-06-17
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
IPC: H01L27/12 , H01L29/66 , H01L29/786
CPC classification number: H01L27/1288 , H01L27/124 , H01L27/1248 , H01L29/66765 , H01L29/78618 , H01L29/78678
Abstract: An LTPS array substrate and a method for producing the same are proposed. The method includes: forming a gate of a thin-film transistor (TFT) of the LTPS array substrate on a substrate; forming a first insulating layer, a semiconductor layer, and a positive photoresist layer on the substrate one by one; exposing one side of the substrate on the opposite side of the gate for forming a polycrystalline silicon layer; forming a second insulating layer on the substrate of the polycrystalline silicon layer; forming a source and a drain of the TFT on the second insulating layer so that the source and the drain is electrically connected to the polycrystalline silicon layer via a contact hole. The use of masks in types and in numbers in the LTPS technology will be reduced. So, both of the processes and the production costs are reduced.
-
公开(公告)号:US10529750B2
公开(公告)日:2020-01-07
申请号:US15863993
申请日:2018-01-08
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
IPC: H01L27/12 , H01L29/786 , H01L29/66 , H01L21/28 , H01L21/84
Abstract: An LTPS array substrate includes: a substrate on which a gate is disposed. An insulating layer and a polycrystalline silicon layer are disposed in sequence on the substrate and the gate. The insulating layer has an upper surface that is a plane. A source and a drain are disposed on the polycrystalline silicon layer and a pixel electrode is disposed on the insulating layer and a part of the drain. A plain passivation layer is disposed on the source and drain and includes a contact via formed therein at a location outside the polycrystalline silicon layer to expose a surface of one of the gate, the source, and the drain. A transparent electrode layer is disposed on the plain passivation layer to be electrically connected to the surface of the one of the gate, the source, and the drain that is exposed through the contact via.
-
公开(公告)号:US09939688B2
公开(公告)日:2018-04-10
申请号:US14905973
申请日:2015-12-28
IPC: G02F1/1337 , G02F1/1343 , G02F1/1339
CPC classification number: G02F1/13394 , G02F2001/133742 , G02F2001/134318
Abstract: A liquid crystal display panel is provided, including: an array substrate; a color filter substrate opposite the array substrate, and a common electrode layer disposed on a side surface of the color filter substrate facing the array substrate of the color filter substrate; and a plurality of photo spacers disposed between the array substrate and the color filter substrate. The common electrode layer of the color filter substrate has a plurality of openings, and one end of each of the photo spacers is located on a corresponding opening.
-
公开(公告)号:US09618690B2
公开(公告)日:2017-04-11
申请号:US14769785
申请日:2015-07-17
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
IPC: F21V8/00 , G02F1/1368 , G02F1/1335 , G02F1/1343 , G02F1/1333
CPC classification number: G02B6/0088 , G02B6/009 , G02F1/133308 , G02F1/133345 , G02F1/133514 , G02F1/133528 , G02F1/133615 , G02F1/134309 , G02F1/13439 , G02F1/1368 , G02F2001/133317 , G02F2001/133357 , G02F2201/121 , G02F2201/123 , G02F2201/46 , G02F2202/104
Abstract: The present invention provides a liquid crystal display device. The device includes a light guide plate, a color filter substrate, an array substrate and a light shading tape. Wherein, a side wall of the concave slot is an incline slope, an edge of the color filter substrate is supported on the incline slope of the concave slot, an edge of a plastic frame is aligned with an edge of the array substrate, and a light shading tape for relatively fixing the color filter substrate and the light guide plate. The present invention can realize a narrow frame and no frame design of the liquid crystal display device. The structure of the display panel is simplified in order to simplify the manufacturing process and reduce the production cost.
-
公开(公告)号:US10192902B2
公开(公告)日:2019-01-29
申请号:US15853832
申请日:2017-12-24
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
Inventor: Cong Wang , Peng Du , Xiaoxiao Wang
IPC: H01L27/12 , G02F1/1368 , H01L29/786
Abstract: A method for manufacturing a LTPS array substrate includes: forming a source electrode and a drain electrode on a substrate, forming a poly-silicon layer in a first region and a second region of the substrate including the source electrode and the drain electrode, such that the poly-silicon layer of the first region has a thickness greater than that of the second region and the poly-silicon layer of the first region partially covers the source electrode and the drain electrode; passivating a surface of the poly-silicon layer in order to turn a part of the poly-silicon layer of the second region and the first region that is adjacent to the surface into an insulating layer; and forming a gate electrode on the insulating layer between the source electrode and the drain electrode. The LTPS technical process is simple and can reduce the producing costs.
-
公开(公告)号:US10101622B2
公开(公告)日:2018-10-16
申请号:US14907393
申请日:2016-01-06
IPC: G02F1/136 , G02F1/1362 , H01L27/12 , G02F1/133 , G02F1/1345
Abstract: A fanout wiring structure and LCD panel using the same are described. The fanout wiring structure comprises a substrate; a first wire region comprising first conductive wires with a first electric resistivity wherein each first conductive wire comprises a first end point and a second end point, and the first end point is electrically connected to the signal transmission interface; and a second wire region comprising second conductive wires with second electric resistivity wherein each second conductive wire comprises third end point and fourth end point, and the fourth end point is electrically connected to the signal receiving interface; wherein the second end point is electrically and correspondingly connected to the third end point, and each first conductive wire and each second conductive wire form either a collinear structure or a parallel connection structure to construct the fanout wiring structure for equalizing a resistance of each fanout wiring structure.
-
公开(公告)号:US20180130831A1
公开(公告)日:2018-05-10
申请号:US15863991
申请日:2018-01-08
Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
IPC: H01L27/12 , H01L29/786 , H01L29/66
CPC classification number: H01L27/1288 , H01L21/28 , H01L27/124 , H01L29/66765 , H01L29/78678
Abstract: An LTPS array substrate and a method for producing the same are proposed. The method includes: forming an insulating layer, a semiconductor layer, and a first positive photoresist layer on the substrate one by one; exposing one side of the substrate on the opposite side of the gate for forming a polycrystalline silicon layer; forming a source and a drain of the TFT on the polycrystalline silicon layer; forming a pixel electrode on the insulating layer and part of the source; forming a plain passivation layer on a source-drain electrode layer; forming a transparent electrode layer on the plain passivation layer so that the transparent electrode layer is connected to the gate, the source, and the drain via the contact hole. The use of masks in types and numbers in the LTPS technology can be reduced. Thus, both of the processes and the production costs are reduced.
-
-
-
-
-
-
-
-
-