Patents Assigned to CENTURY TECHNOLOGY (SHENZHEN) CORPORATION LIMITED
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Patent number: 9904125Abstract: A display panel includes a substrate, a plurality of thin film transistors (TFTs), a plurality common electrodes, a plurality of common electrode lines, a plurality of coupling electrodes, and a plurality of pixel electrodes. Each of the TFTs comprises a gate, a source, a drain and a channel layer coupling the source to the drain. The gate, the common electrodes, and the common electrode lines are formed on a surface of the substrate and are separated from each other. Each of the coupling electrodes couples a corresponding common electrode to a corresponding common electrode line, and a space is defined between the corresponding common electrode and the corresponding common electrode line.Type: GrantFiled: June 25, 2015Date of Patent: February 27, 2018Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Chih-Chung Liu, Kuo-Chieh Chi, Jian-Xin Liu
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Patent number: 9905146Abstract: A TFT array substrate for a TFT LCD includes a plurality of pixels each consisting of a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel arranged in a 2×2 matrix. Two data lines are located between each two neighboring columns of the sub-pixels. A scan line is located between two neighboring rows of the sub-pixels. The sub-pixels are driven by column inversion. The scan lines in electrical connections with different rows of the pixels are turned on successively along a vertical direction. Two neighboring same colored sub-pixels in a same row of the sub-pixels have opposite polarities and two neighboring same colored sub-pixel in a same column of the sub-pixels respectively have the same polarity when the TFT LCD is operated to output a screen having a color the same as the color of the two neighboring same colored sub-pixels.Type: GrantFiled: September 8, 2015Date of Patent: February 27, 2018Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Chih-Chung Liu, Jian-Xin Liu, Li-Fang Wang
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Patent number: 9905581Abstract: An array substrate can include a plurality of thin film transistors, a plurality of function lines, a plurality of leads, a coupling part and a driver. The plurality of function lines are configured to transmit driving signals to the thin film transistors. The plurality of leads include a first lead and a second lead. The coupling part is electrically coupling the leads to the function lines. The driver is electrically coupled to the leads, and configured to provide the driving signals to the function lines. The first lead has a length larger than that of the second lead. A contacting area between the first lead and the coupling part is larger than that between the second lead and the coupling part. A display panel with the array substrate is also provided.Type: GrantFiled: October 29, 2015Date of Patent: February 27, 2018Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Chih-Chung Liu, Yi-Hsiu Cheng, Li-Fang Wang
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Patent number: 9897726Abstract: A color filter substrate includes a substrate, a barrier layer located on the substrate; and a plurality of color filtering units and a plurality of black matrixes located on the barrier layer. The barrier layer includes a plurality of first portions respectively corresponding with the plurality of color filtering units and a plurality of second portions respectively corresponding with the plurality of black matrixes. Each of the second portions defines at least one groove. Each of black matrixes comprises at least one protrusion received in the at least one groove of a corresponding second portion and a base coupled with the at least one protrusion.Type: GrantFiled: June 26, 2015Date of Patent: February 20, 2018Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Yue Zhang, Min Hu, Chen-Fu Mai
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Patent number: 9897877Abstract: A thin film transistor array substrate includes a base, a first metal layer having a gate electrode and a first insulating layer covering the base and the first metal layer. A semiconductor layer is formed on the first insulating layer facing but insulated from the gate electrode. The first insulating layer also supports a second metal layer having a source electrode and a drain electrode. A pixel electrode layer is electrically coupled to the source electrode or the drain electrode. A common electrode layer is insulated from the pixel electrode and is configured to receive a common voltage. A transparent conductive layer is formed on the base and is insulated from the pixel electrode. The semiconductor layer, electrically coupled to the source electrode and the drain electrode, is located between the source electrode and the drain electrode.Type: GrantFiled: February 2, 2016Date of Patent: February 20, 2018Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Chih-Chung Liu, Yi-Hsiu Cheng, Jian-Xin Liu
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Patent number: 9858873Abstract: A flicker-reduced liquid crystal display panel diminishing resistance-capacitance phenomena includes a plurality of parallel scanning lines and a plurality of parallel data lines, all lines intersecting with each other at the crosses. The liquid crystal display panel further includes a pulse control circuit and a gate driver. The pulse control circuit receives a pulse signal and reduces the time of the pulse signal under control of a control signal, the control signal controlling the start and finish of the time reduction. A reduced pulse signal is output. The gate driver receives the pulse signal which is output and issues scanning signals to the plurality of scanning lines.Type: GrantFiled: October 26, 2015Date of Patent: January 2, 2018Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Chia-Hua Huang, Wen-Lin Mei, Hui Wang
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Patent number: 9851609Abstract: A display panel includes a TFT substrate, an opposite substrate, a liquid crystal layer, a first display area, and a second display area. The opposite substrate is opposite to the TFT substrate. The liquid crystal layer is sandwiched between the TFT substrate and the opposite substrate. The liquid crystal layer includes a plurality of liquid crystal molecules. A horizontal electric field is formed in a portion of the liquid crystal layer corresponding to the first display area. A vertical electric field is formed in the other portion of the liquid crystal layer corresponding to the second display area. When the display panel is powered on, a portion of the liquid crystal molecules in one of the horizontal electric field and the vertical electric field are rotated, and the other portion of liquid crystal molecules in the other one of the horizontal electric field and the vertical electric field are rotated.Type: GrantFiled: July 6, 2015Date of Patent: December 26, 2017Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Chih-Chung Liu, Li-Fang Wang, Wen-Qiang Yu
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Patent number: 9852706Abstract: A TFT array substrate which includes a plurality of pixels arranged in a matrix, has each pixel including sub-pixels in a 2×2 matrix. Two data lines are between neighboring columns of the sub-pixels and scan line is arranged between neighboring rows of the sub-pixels. The sub-pixels in same row can be electrically coupled to one scan line. The sub-pixels for the same color in one same column can be electrically coupled to the neighboring data line. The sub-pixels configured to display another same color in the same column can be electrically coupled to another neighboring same data line. Each two adjacent sub-pixels displaying a same color have opposite polarities.Type: GrantFiled: March 22, 2016Date of Patent: December 26, 2017Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Chih-Chung Liu, Yang Zhao, Zhi-Hong Chang
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Patent number: 9720292Abstract: A liquid crystal display panel includes a thin film transistor substrate and an opposing substrate. The thin film transistor substrate includes a first base substrate, a common electrode formed on the first base substrate, a supporting structure formed on the first base substrate, and an electrical conduction structure formed on the supporting structure and electrically coupled to the common electrode. The opposing substrate includes a second base substrate and a blocking structure arranged on the second base substrate and made of electrical conducting material. The blocking structure is configured to be supported on and electrically coupled to the electrical conduction structure. A liquid crystal layer is formed between the thin film transistor substrate and the opposing substrate.Type: GrantFiled: November 9, 2015Date of Patent: August 1, 2017Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Kuo-Chieh Chi, Lin Li, Zhi-Wei Ye
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Patent number: 9715147Abstract: A manufacturing method for a substrate for an LCD panel includes providing a substrate, and applying photoresist techniques to form a first wiring layer on the substrate and patterning the first wiring layer to form a first laminating layer. An insulating layer and a semiconductor film are also formed and the semiconductor film is patterned to form a second laminating layer. A second wiring layer is formed and patterned to create a third laminating layer, a passivation layer, and a conductive film, and the conductive film is patterned to form a pixel electrode and a fourth laminating layer. The first, second, third, and fourth laminating layers stack together to form the necessary spacer. A color filter substrate with a constant gap is held between the insulating layer and the first laminating layer, and between the passivation layer and the third laminating layer.Type: GrantFiled: June 6, 2016Date of Patent: July 25, 2017Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Kuo-Chieh Chi, Qi Xu, Dan Chen
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Patent number: 9651837Abstract: A liquid crystal display panel includes a first substrate, a second substrate parallel to the first substrate, a liquid crystal layer located between the first substrate and the second substrate and parallel to the first substrate and the second substrate, a common electrode layer and a pixel electrode located between the first substrate and the second substrate, and an electrical conducting layer located on a side of the second substrate opposite from the first substrate. The electrical conducting layer is electrically coupled to a common electrode wiring located on an outer peripheral portion of the first substrate. The pixel electrode and the common electrode layer are configured to cooperatively induce an electric field to drive liquid crystals of the liquid crystal layer to rotate.Type: GrantFiled: June 10, 2015Date of Patent: May 16, 2017Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Hai-Bo Peng, Chen-Fu Mai
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Patent number: 9653607Abstract: A thin film transistor (TFT) includes a semiconductive layer, a first inter-layer drain (ILD) layer, a second ILD layer, and at least one contact hole passing through the first ILD layer and the second ILD layer. The semiconductive layer includes a channel region, a first lightly doped drain (LDD) region, a second LDD region, a first heavily doped drain (HDD) region, and a second HDD region. The at least one contact hole includes a first portion passing through the second ILD layer and a second portion passing through the first ILD layer. The second portion gradually narrows along a direction from a top to a bottom of the first ILD layer.Type: GrantFiled: May 21, 2015Date of Patent: May 16, 2017Assignee: Century Technology (Shenzhen) Corporation LimitedInventor: Yu-Ching Peng
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Patent number: 9575376Abstract: A TFT array substrate for a TFT LCD includes a plurality of pixels each consisting of a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel arranged in a 2×2 matrix. Two data lines are located between each two neighboring columns of the sub-pixels. A scan line is located between two neighboring rows of the sub-pixels. The sub-pixels are driven by column inversion. The scan lines in electrical connections with different rows of the pixels are turned on successively along a vertical direction. Two neighboring same colored sub-pixels in a same row of the sub-pixels and two neighboring same colored sub-pixel in a same column of the sub-pixels respectively have opposite polarities when the TFT LCD is operated to output a screen having a color the same as the color of the two neighboring same colored sub-pixels.Type: GrantFiled: April 21, 2015Date of Patent: February 21, 2017Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Chih-Chung Liu, Ming-Tsung Wang, Li-Fang Wang, Jian-Xin Liu
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Patent number: 9575368Abstract: A method for manufacturing a liquid crystal display (LCD) panel is disclosed. The LCD panel includes a first alignment layer formed on a first substrate and a second alignment layer formed on a second substrate. A liquid crystal layer having a plurality of liquid crystal molecules between the first alignment layer and the second alignment layer is exposed using a photomask from a side of the second substrate away from the first substrate. Thus, a portion of the liquid crystal molecules are arranged at a first pre-tilt angle and the other portion of the liquid crystal molecules are arranged at a second pre-tilt angle less than the first pre-tilt angle.Type: GrantFiled: August 6, 2015Date of Patent: February 21, 2017Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Hai-Bo Peng, Chen-Fu Mai, Yang Chen
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Patent number: 9500901Abstract: A liquid crystal display includes a first polarizer and a liquid crystal display panel adhered to the first polarizer. The first polarizer includes a first sub-areas and a first center area. An adhesion intensity of the first polarizer and the liquid crystal cell corresponding to the first sub-area is greater than an adhesion intensity of the first polarizer and the liquid crystal cell corresponding to the first center area.Type: GrantFiled: September 30, 2014Date of Patent: November 22, 2016Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Hai-Bo Peng, Chen-Fu Mai
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Patent number: 9383608Abstract: An array substrate of an LCD includes a substrate, a first wiring layer, a semiconductor film, an insulating layer, a second wiring layer, a passivation layer, a conductive film, and a spacer. The first wiring layer is patterned to a gate line, a gate electrode, and a first laminating layer. The semiconductor film is patterned to a channel layer and a second laminating layer. The second wiring layer is patterned to a source line, a source electrode, a drain electrode, and a third laminating layer. The conductive film is patterned to a pixel electrode and a fourth laminating layer. The spacer is a laminating structure at least includes the first, second, third, fourth laminating layers. A portion of insulating layer overlaps with the first laminating layer, and a portion of passivation layer overlaps with the third laminating layer.Type: GrantFiled: July 21, 2014Date of Patent: July 5, 2016Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Kuo-Chieh Chi, Qi Xu, Dan Chen
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Patent number: 9335588Abstract: Liquid crystal display panel includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer sandwiched between the first substrate and the second substrate, a plurality of spacers located in the liquid crystal layer and protruding from the first substrate towards the second substrate, and a plurality of supporters defined at an inner surface of the second substrate and configured to support the spacers. Each supporter is corresponding to one spacer of the plurality of spacers and has a “+” shape or a “Y” shape in a top view.Type: GrantFiled: April 2, 2014Date of Patent: May 10, 2016Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Chih-Chung Liu, Yi-Hsiu Cheng, Xiao-Qian Wang
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Patent number: 9318218Abstract: A shift register for an LCD display includes N shift register units. Each shift register unit outputs a shift signal. An Nth shift register unit includes a waveform-shaping unit electrically coupled to an shift signal output terminal of the Nth register to perform a waveform-shaping operation on the Nth shift signal according to the (N+1)th shift signal output by an (N+1)th shift register, to reduce the feed-through effect which causes display flicker.Type: GrantFiled: June 11, 2014Date of Patent: April 19, 2016Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Ming-Tsung Wang, Wen-Lin Mei, Hui Wang, Chia-Hua Huang
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Patent number: 9057908Abstract: A color filter substrate includes a transparent substrate, a patterned light-shielding layer, a plurality of color filter units, and a plurality of dummy color filter units. The transparent substrate has a display region and a peripheral region surrounding the display region. The patterned light-shielding layer is disposed on the transparent substrate, and the patterned light-shielding layer includes a first light-shielding pattern disposed on the display region and a second light-shielding pattern disposed on the peripheral region. The first light-shielding pattern defines a plurality of sub-pixel regions. The color filter units are disposed on the display region. The dummy color filter units are disposed on the peripheral region. Spacing between two adjacent dummy color filter units or spacing between the color filter unit and the adjacent dummy color filter unit is wider than spacing between two adjacent color filter units.Type: GrantFiled: February 13, 2012Date of Patent: June 16, 2015Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Chih-Chung Liu, Meng-Chieh Tai, Ming-Tsung Wang, De-Jiun Li
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Publication number: 20130155537Abstract: A color filter substrate includes a transparent substrate, a patterned light-shielding layer, a plurality of color filter units, and a plurality of dummy color filter units. The transparent substrate has a display region and a peripheral region surrounding the display region. The patterned light-shielding layer is disposed on the transparent substrate, and the patterned light-shielding layer includes a first light-shielding pattern disposed on the display region and a second light-shielding pattern disposed on the peripheral region. The first light-shielding pattern defines a plurality of sub-pixel regions. The color filter units are disposed on the display region. The dummy color filter units are disposed on the peripheral region. Spacing between two adjacent dummy color filter units or spacing between the color filter unit and the adjacent dummy color filter unit is wider than spacing between two adjacent color filter units.Type: ApplicationFiled: February 13, 2012Publication date: June 20, 2013Applicant: CENTURY TECHNOLOGY (SHENZHEN) CORPORATION LIMITEDInventors: Chih-Chung Liu, Meng-Chieh Tai, Ming-Tsung Wang, De-Jiun Li