Patents by Inventor Chung-Ching Hsieh
Chung-Ching Hsieh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 9529216Abstract: A method for manufacturing a liquid crystal alignment film and a reaction apparatus are provided, the method has steps of: disposing a liquid crystal cell onto a first reaction apparatus, and providing a temperature value, a voltage value, and an ultraviolet radiation, so that a liquid crystal alignment monomer in the liquid crystal cell generates a polymerization reaction; transferring the liquid crystal to a second reaction apparatus if the transferring time threshold value is reached; determining whether the liquid crystal cell is transferred to the second reaction apparatus or not; executing a warning if the liquid crystal cell is not transferred to the second reaction apparatus; and lifting the liquid crystal cell away from a platform of the first reaction apparatus through an ejector pin disposed in the platform thereof if the dangerous time threshold value is reached.Type: GrantFiled: February 12, 2015Date of Patent: December 27, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Rentang Zhao, Chung-Ching Hsieh
-
Publication number: 20160363819Abstract: A method for manufacturing alignment films of liquid crystal panel includes the steps of: injecting a liquid crystal mixture containing liquid crystal molecules and liquid crystal reactive monomers to form a liquid crystal cell; placing the liquid crystal cell in a first reaction machine to subject the same to a voltage, ultraviolet radiation, and a temperature, so that the liquid crystal reactive monomers produce a polymerization reaction; moving the liquid crystal cell to a second reaction machine after a first preset time period in order to subject the same to a voltage and a temperature to continue the polymerization reaction, and forming alignment films on inner surfaces of a first substrate and a second substrate, respectively.Type: ApplicationFiled: February 12, 2015Publication date: December 15, 2016Inventors: Rentang ZHAO, Yanjun SONG, Chung-Ching HSIEH
-
Publication number: 20160340583Abstract: The invention discloses a reactive monomer, a liquid crystal panel and an electronic equipment. The reactive monomer comprises a biphenyl structure and polymeriable groups connecting at both sides of the biphenyl structure, a structure of the reactive monomer is wherein, n?3 B are the polymerizable groups. The liquid crystal panel in the invention comprises both a first substrate and a second substrate with disposed alignment films respectively, and a liquid crystal layer disposed between the first substrate and the second substrate, and the liquid crystal layer comprises the liquid crystal compound which comprises the reactive monomer. The reactive monomer in the invention can absorb ultra violet light more efficiently, shorten an illuminating time of UV1, and increase production efficiency.Type: ApplicationFiled: December 4, 2014Publication date: November 24, 2016Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Xiang LI, Yanjun SONG, Chung-ching HSIEH
-
Patent number: 9416315Abstract: The present invention discloses a liquid crystal composition, a liquid crystal mixture and a liquid crystal panel. The liquid crystal composition comprises one or more types of first liquid crystal molecules substituted by difluoroalkenyl group and one or more types of second liquid crystal molecules for vertical alignment. The probability of polymerization between polymerizable monomers and the first liquid crystal molecules can be effectively reduced by the steric effect caused by the difluoroalkenyl group of the first liquid crystal molecules during a process of polymer alignment. Thus, the probability of polymerization occurred between the polymerizable monomers and polyimide on the surface of an alignment film is increased, so as to solve the problem of the image sticking.Type: GrantFiled: December 14, 2012Date of Patent: August 16, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chung-Ching Hsieh
-
Publication number: 20160231601Abstract: A method for manufacturing a liquid crystal alignment film and a reaction apparatus are provided, the method has steps of: disposing a liquid crystal cell onto a first reaction apparatus, and providing a temperature value, a voltage value, and an ultraviolet radiation, so that a liquid crystal alignment monomer in the liquid crystal cell generates a polymerization reaction; transferring the liquid crystal to a second reaction apparatus if the transferring time threshold value is reached; determining whether the liquid crystal cell is transferred to the second reaction apparatus or not; executing a warning if the liquid crystal cell is not transferred to the second reaction apparatus; and lifting the liquid crystal cell away from a platform of the first reaction apparatus through an ejector pin disposed in the platform thereof if the dangerous time threshold value is reached.Type: ApplicationFiled: February 12, 2015Publication date: August 11, 2016Inventors: Rentang ZHAO, Chung-Ching HSIEH
-
Patent number: 9243185Abstract: A polymerizable monomer adopted to a display panel is represented as following chemical formula: wherein, m?0; “Z” is selected from oxygen, sulfur, carbonyl, caroboxyl, methyoxy, methylthio, thio, ethenylcarbonyl, carbonylethenyl, difluoromethoxy, difluoro methylthio, ethyl, difluoroethane, 1,2 difluoroethane, vinylene, difluoroethenylene, ethynyl, or single bond. “X1” and “X2” are independently selected from oxygen, sulfur, methyoxy, carbonyl, caroboxyl, -carbamoyl, methylthio, ethenylcarbonyl, carbonylethenyl, or single bond. “Sp1” and “Sp2” are independently a spacer or single bond. “P1” and “P2” are independently a polymerizable group.Type: GrantFiled: October 31, 2013Date of Patent: January 26, 2016Assignee: AU OPTRONICS CORP.Inventors: Chung-Ching Hsieh, Yang-Chu Lin, Hsi-Chien Lin, Te-Sheng Chen
-
Patent number: 9229276Abstract: A method for manufacturing LCD panels includes providing upper and lower substrates; interposing a liquid crystal material composed of at least one liquid crystal molecule and at least two photosensitive monomers between the upper and lower substrates, at least one first photosensitive monomer having an absorption peak larger than 300 nm and at least one second photosensitive monomer having an absorption peak smaller than 300 nm; applying a voltage between the upper and lower substrates and irradiating with ultra-violet radiation having a first wavelength larger than 300 nm for a first time interval for polymerizing most first photosensitive monomers to provide an alignment polymer; and separately irradiating with ultra-violet radiation having a second wavelength for a second time interval, the second wavelength being larger than the first wavelength.Type: GrantFiled: August 3, 2009Date of Patent: January 5, 2016Assignee: AU OPTRONICS CORP.Inventors: Chung-Ching Hsieh, Chia-Hsuan Pai, Cheng-Wei Huang, Te-Sheng Chen, Norio Sugiura
-
Publication number: 20150322340Abstract: The present invention discloses a liquid crystal composition, a liquid crystal mixture and a liquid crystal panel. The liquid crystal composition comprises one or more types of first liquid crystal molecules substituted by difluoroalkenyl group and one or more types of second liquid crystal molecules for vertical alignment. The probability of polymerization between polymerizable monomers and the first liquid crystal molecules can be effectively reduced by the steric effect caused by the difluoroalkenyl group of the first liquid crystal molecules during a process of polymer alignment. Thus, the probability of polymerization occurred between the polymerizable monomers and polyimide on the surface of an alignment film is increased, so as to solve the problem of the image sticking.Type: ApplicationFiled: December 14, 2012Publication date: November 12, 2015Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Chung-Ching Hsieh
-
Publication number: 20150247088Abstract: The present invention discloses a liquid crystal medium of a liquid crystal panel. Liquid crystal compounds based on a tetracene derivative are bonded to alkenyl groups of liquid crystal molecules used as a diluting agent by doping the liquid crystal compounds based on the tetracene derivative into a liquid crystal mixture, for preventing a reaction between alkenyl groups of the liquid crystal molecules used as the diluting agent and polymerizable compounds, thereby inhibiting a bond between alkenyl groups of the liquid crystal molecules used as the diluting agent and the polymerizable compounds. The present invention is capable of improving the problem of image sticking produced via bonding the polymerizable compounds to alkenyl groups of the liquid crystal molecules used as the diluting agent.Type: ApplicationFiled: December 3, 2012Publication date: September 3, 2015Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventor: Chung-Ching Hsieh
-
Patent number: 9034203Abstract: The present invention discloses a liquid crystal (LC) molecule having a five-membered ring structure and a mixture thereof. A traditional LC molecule is modified into the LC molecule having the five-membered ring structure. The rotational viscosity of the LC molecule within an LC panel is decreased by properties of the five-membered ring structure, so that the LC molecule having the five-membered ring structure has a fast off-time than that of the traditional LC molecule. The present invention can decrease the rotational viscosity of the LC molecule within the LC panel by modification of the five-membered ring structure of the LC molecule, and thus the problem of cross-talk effect produced from switching a two-dimensional mode to a three-dimensional mode in an LC display can be improved.Type: GrantFiled: July 2, 2012Date of Patent: May 19, 2015Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chung-Ching Hsieh
-
Patent number: 8999462Abstract: The present invention provides a photosensitive monomer of which hydrogen atoms of benzene ring of a hard core are substituted by fluorine atoms to increase the electronegativity of the hard core, so that the curing voltage of the curing process is reduced. The photosensitive monomer of the present invention not only reduces the curing voltage and curing time of the curing process of liquid crystal panels, but also increases the pretilt angle of liquid crystal molecules to reduce the response time of a liquid crystal display, so that image sticking and MURA phenomenon are reduced.Type: GrantFiled: November 15, 2012Date of Patent: April 7, 2015Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Sikun Hao, Chung-Ching Hsieh, Chung Yi Chiu
-
Patent number: 8968596Abstract: The present invention provides a liquid crystal reactive monomer on a polyimide surface of an alignment film and a liquid crystal panel. The liquid crystal reactive monomer has a hard core and is contained in a liquid crystal composition. The liquid crystal reactive monomer is represented by the formula (I) or the formula (II), and the molecular weight thereof is greater than or equal to 300. The solubility of the liquid crystal RMs is significantly improved in a liquid crystal matrix while the returning force of liquid crystal molecules is increased, so as to solve the image sticking issue, increase the polymerization capacity of the liquid crystal molecules, raise the curing speed of the curing reaction between the liquid crystal RMs and the polyimide surface and shorten the curing time, so that the purpose of energy saving and carbon reduction can be achieved.Type: GrantFiled: June 6, 2012Date of Patent: March 3, 2015Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Chung-Ching Hsieh
-
Patent number: 8845925Abstract: The present invention provides a polymerizable monomer, a liquid crystal composition containing the polymerizable monomer and a vertical alignment liquid crystal panel. The polymerizable monomer which the present invention provides may generate free radicals more easily under the UV exposure, so as to solve the RM residue due to the improvement of the curing ability of the RM and thus improve the image sticking issue of the liquid crystal panel.Type: GrantFiled: November 14, 2012Date of Patent: September 30, 2014Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Chung-Ching Hsieh
-
Patent number: 8741398Abstract: The present invention provides a liquid crystal panel and an alignment film thereof, and the alignment film is made of a modified polyimide which has conjugated double bond at side chain. Resistance value of the alignment film is less than the resistance value of a liquid crystal material of the liquid crystal panel by properties of the conjugated double bond that can reduce the resistance value of a prior art polyimide. In addition, improving the imidization ratio of a modified polyimide alignment film is important. The present invention is conducted the charged ion from liquid crystal layer to the alignment film by the conjugated double bond of the modified polyimide at the side chain to prevent the increase in the ion density of the liquid crystal in part of this area, and improve the problem of image sticking.Type: GrantFiled: October 21, 2011Date of Patent: June 3, 2014Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Chung-Ching Hsieh, Cheng-ming He
-
Publication number: 20140146275Abstract: The present invention provides a reactive monomer of liquid crystal on a polyimide surface of an alignment film and a liquid crystal panel. The molecular weight of the reactive monomer of liquid crystal is ranged between 322 and 500, and the UV wavelength for polymerizing and curing the reactive monomer of liquid crystal and the polyimide surface is greater than or equal to 300 nm. The reactive monomer of liquid crystal can lower the interaction between the reactive monomer of liquid crystal and the PI surface of the alignment film, so as to improve the phenomenon of drop Mura defect occurred during implementing the ODF technology. Meanwhile, because the curing speed of polymerization and curing reaction is relatively raised, it can also carry out a purpose of energy saving and carbon reduction.Type: ApplicationFiled: August 15, 2011Publication date: May 29, 2014Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Chung-Ching Hsieh, Chengming He
-
Publication number: 20140132899Abstract: The present invention provides a photosensitive monomer, a liquid crystal composition containing the photosensitive monomer and a vertical alignment liquid crystal panel. The range of absorption wavelength of the photosensitive monomer of the present invention overlaps with the range of an ultraviolet lamp by increasing the length of a hard core. Thus, comparing with the conventional reactive monomer (RM), the photosensitive monomer of the present invention has a faster curing speed to solve the image sticking issue due to a high monomer residue.Type: ApplicationFiled: November 19, 2012Publication date: May 15, 2014Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chung-Ching Hsieh
-
Publication number: 20140132900Abstract: The present invention provides a photosensitive monomer of which hydrogen atoms of benzene ring of a hard core are substituted by fluorine atoms to increase the electronegativity of the hard core, so that the curing voltage of the curing process is reduced. The photosensitive monomer of the present invention not only reduces the curing voltage and curing time of the curing process of liquid crystal panels, but also increases the pretilt angle of liquid crystal molecules to reduce the response time of a liquid crystal display, so that image sticking and MURA phenomenon are reduced.Type: ApplicationFiled: November 15, 2012Publication date: May 15, 2014Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTDInventors: Sikun Hao, Chung-Ching Hsieh, Chung Yi Chiu
-
Publication number: 20140118672Abstract: The present invention provides a polymerizable monomer, a liquid crystal composition containing the polymerizable monomer and a vertical alignment liquid crystal panel. The polymerizable monomer which the present invention provides may generate free radicals more easily under the UV exposure, so as to solve the RM residue due to the improvement of the curing ability of the RM and thus improve the image sticking issue of the liquid crystal panel.Type: ApplicationFiled: November 14, 2012Publication date: May 1, 2014Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chung-Ching Hsieh
-
Patent number: 8691349Abstract: A liquid crystal display panel including a first substrate, a second substrate, a liquid crystal layer, and a polymer stabilized alignment layer is provided. The second substrate is disposed opposite to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate. The polymer stabilized alignment layer is disposed between the first substrate and the liquid crystal layer, and an average surface roughness of the polymer stabilized alignment layer is greater than or equal to 10 nm.Type: GrantFiled: December 7, 2012Date of Patent: April 8, 2014Assignee: Au Optronics CorporationInventors: Cheng-Jung Chiang, Chih-Ho Chiu, Chung-Ching Hsieh, Chia-Hsuan Pai, Bo-Hsin Huang, Te-Sheng Chen
-
Publication number: 20140065323Abstract: A polymerizable monomer adopted to a display panel is represented as following chemical formula: wherein, m?0; “Z” is selected from oxygen, sulfur, carbonyl, caroboxyl, methyoxy, methylthio, thio, ethenylcarbonyl, carbonylethenyl, difluoromethoxy, difluoro methylthio, ethyl, difluoroethane, 1,2 difluoroethane, vinylene, difluoroethenylene, ethynyl, or single bond. “X1” and “X2” are independently selected from oxygen, sulfur, methyoxy, carbonyl, caroboxyl, -carbamoyl, methylthio, ethenylcarbonyl, carbonylethenyl, or single bond. “Sp1” and “Sp2” are independently a spacer or single bond. “P1” and “P2” are independently a polymerizable group.Type: ApplicationFiled: October 31, 2013Publication date: March 6, 2014Applicant: AU OPTRONICS CORP.Inventors: Chung-Ching HSIEH, Yang-Chu LIN, Hsi-Chien LIN, Te-Sheng CHEN