Patents by Inventor Kuan-Cheng Lee
Kuan-Cheng Lee 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).
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Patent number: 9488414Abstract: A crucible heating apparatus includes a crucible, a metal barrel around the crucible, a heating wire wound between the metal barrel and the crucible, a measuring unit for measuring the position of the liquid level of a material in the crucible and a controller, and the apparatus is characterized in that the heating wire includes at least two subsections arranged along the longitudinal direction, and the controller controls the heating power of each subsection respectively, thus dividing the crucible into at least two corresponding temperature control zones. In such a manner, by disposing a plurality of subsections of the heating wire and the corresponding temperature control zones of the crucible, the temperature of each position of the crucible is accurately controlled. A crucible heating method is also provided.Type: GrantFiled: January 23, 2014Date of Patent: November 8, 2016Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xindi Zhang, Kuan-Cheng Lee
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Patent number: 9274378Abstract: The present invention relates a technique of liquid crystal display, especially to an alignment film applied to a substrate of a liquid crystal display. The alignment film includes a plurality of alignment molecules formed by polymerizing monomers having at least a photosensitive group, and has formula e as wherein the component A and/or the component B in formula e comprise(s) terphenyl. The present invention further provides a method of fabricating the alignment film and a liquid crystal display using the same. Due to the photosensitive group of the monomers, the plurality of alignment molecules can be formed with an appropriated rate, and the alignment film formed thereby has homogeneity. Therefore, the optic quality and overall performance of the liquid crystal display are enhanced.Type: GrantFiled: June 28, 2013Date of Patent: March 1, 2016Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Xinhui Zhong, Kuan-cheng Lee
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Patent number: 9228130Abstract: The present invention relates a technique of liquid crystal display, especially to an alignment film applied to a substrate of a liquid crystal display. The alignment film includes a plurality of alignment molecules including polyamic acid and/or polyimide and a plurality of photo-sensitive molecules including terphenyl and/or substituted terphenyl, wherein a mass ratio of the plurality of alignment molecules to the plurality of photo-sensitive molecules is 3˜7%:0.0002˜2%. The present invention further provides a method of fabricating the alignment film and a liquid crystal display using the same. Due to the photosensitive group of the monomers, the plurality of alignment molecules can be formed with an appropriated rate, and the alignment film formed thereby has homogeneity. Therefore, the optic quality and overall performance of the liquid crystal display are enhanced.Type: GrantFiled: June 28, 2013Date of Patent: January 5, 2016Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Xinhui Zhong, Kuan-cheng Lee
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Publication number: 20150277190Abstract: The present invention provides a polymer stabilized vertical alignment liquid crystal display panel. It comprises a first substrate, a second substrate, a liquid crystal layer disposed between the two substrates, and a bezel sealant for sealing liquid crystal molecules between the two substrates. The liquid crystal layer material comprises negative liquid crystal molecules, stabilizer, and reactive monomers polymerizable when irradiated with ultraviolet light. The bezel sealant comprises epoxy resin, curing agent, methacrylate resin or acrylate resin, photoinitiator, filler, and silane coupling agent. The present invention provides a liquid crystal display correspondingly. According to the embodiment of the present invention, the dissolution of the methacrylate resin or acrylate resin in the bezel sealant by the liquid crystal medium is prevented to avoid the over-sized bumps formed in the periphery of the bezel.Type: ApplicationFiled: January 31, 2013Publication date: October 1, 2015Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Xinhui Zhong, Hong-Ji Huang, Kuan-Cheng Lee
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Publication number: 20150153108Abstract: The present disclosure proposes crucible heating apparatus. In embodiment 1, the apparatus includes a crucible, a metal barrel around the crucible, a heating wire wound between the metal barrel and the crucible, a measuring unit for measuring the position of the liquid level of a material in the crucible and a controller, and the apparatus is characterized in that the heating wire includes at least two subsections arranged along the longitudinal direction, and the controller controls the heating power of each subsection respectively, thus dividing the crucible into at least two corresponding temperature control zones. In such a manner, by disposing a plurality of subsections of the heating wire and the corresponding temperature control zones of the crucible, the temperature of each position of the crucible is accurately controlled. The present disclosure also proposes a crucible heating method.Type: ApplicationFiled: January 23, 2014Publication date: June 4, 2015Inventors: Xindi Zhang, Kuan-Cheng Lee
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Publication number: 20140375940Abstract: The present invention relates a technique of liquid crystal display, especially to an alignment film applied to a substrate of a liquid crystal display. The alignment film includes a plurality of alignment molecules including polyamic acid and/or polyimide and a plurality of photo-sensitive molecules including terphenyl and/or substituted terphenyl, wherein a mass ratio of the plurality of alignment molecules to the plurality of photo-sensitive molecules is 3˜7%:0.0002˜2%. The present invention further provides a method of fabricating the alignment film and a liquid crystal display using the same. Due to the photosensitive group of the monomers, the plurality of alignment molecules can be formed with an appropriated rate, and the alignment film formed thereby has homogeneity. Therefore, the optic quality and overall performance of the liquid crystal display are enhanced.Type: ApplicationFiled: June 28, 2013Publication date: December 25, 2014Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Xinhui Zhong, Kuan-cheng Lee
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Publication number: 20140375939Abstract: The present invention relates a technique of liquid crystal display, especially to an alignment film applied to a substrate of a liquid crystal display. The alignment film includes a plurality of alignment molecules formed by polymerizing monomers having at least a photosensitive group, and has formula e as wherein the component A and/or the component B in formula e comprise(s) terphenyl. The present invention further provides a method of fabricating the alignment film and a liquid crystal display using the same. Due to the photosensitive group of the monomers, the plurality of alignment molecules can be formed with an appropriated rate, and the alignment film formed thereby has homogeneity. Therefore, the optic quality and overall performance of the liquid crystal display are enhanced.Type: ApplicationFiled: June 28, 2013Publication date: December 25, 2014Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Xinhui Zhong, Kuan-cheng Lee
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Patent number: 8623575Abstract: A liquid crystal display (LCD) panel, a color filter (CF) and a manufacturing method thereof are disclosed in the present disclosure. The CF comprises a transparent substrate, a black matrix, first CF units, second CF units and a conductive layer. The transparent substrate comprises an active area and a dummy area. The first CF units in the active area have a trapezoidal cross section, and the second CF units in the dummy area have an inverted trapezoidal cross section. The conductive layer covers the active area continuously but covers the dummy area discontinuously; and thus, the active area can perform normal electrical conduction functions while an insulating effect can be achieved in the dummy area. In this way, even if conductive particles are present in the dummy area during the assembling process of the CF and a TFT, the discontinuous conductive layer in the dummy area can still prevent occurrence of abnormal conditions that the CF and the TFT are at the same voltage level.Type: GrantFiled: September 5, 2011Date of Patent: January 7, 2014Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Hsiao Hsien Chen, Kuan-Cheng Lee
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Patent number: 8570471Abstract: The present invention discloses a manufacturing method of an Optically Compensated Bend (OCB) liquid crystal panel, which comprises: an arranging step S1 for alternately arranging a plurality of thin-film transistor (TFT) substrates and a plurality of color filter (CF) substrates, the TFT substrates and the CF substrates are coated with optical alignment material; a light irradiating step S2 for using an ultraviolet (UV) light source to irradiate the TFT substrates and the CF substrates so that alignment films of predetermined alignment directions are formed by the optical alignment material on the TFT substrates and the CF substrates; and an attaching step S3 for attaching each of the TFT substrates and an adjacent one of the CF substrates in such a way that an alignment direction of the TFT substrate is the same as that of the corresponding CF substrate and filling an OCB liquid crystal layer therebetween to form a plurality of OCB liquid crystal panels.Type: GrantFiled: May 19, 2011Date of Patent: October 29, 2013Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Kuan-Cheng Lee, Xiaolong Ma
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Patent number: 8465072Abstract: The present invention discloses a panel transferring apparatus. The panel transferring apparatus includes a panel supporting mechanism for supporting a panel. The panel supporting mechanism includes a plurality of primary supports spaced apart from each other; and a plurality of secondary supports disposed on the primary supports and extending lateral to the primary supports. The primary supports and the secondary supports cooperate to support the panel. The present invention further discloses a panel supporting mechanism. A contact area between the panel supporting mechanism and the panel is increased by disposing the plurality of secondary supports on the plurality of primary supports. Thereby, flexure of the panel is lessened, the production cost is lowered and the production cycle is shortened.Type: GrantFiled: June 3, 2011Date of Patent: June 18, 2013Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Jo Shan Wu, Kuan-Cheng Lee
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Publication number: 20130077039Abstract: An apparatus and a method for producing a pre-tilt angle in a liquid crystal panel are disclosed. The apparatus includes a sample stage for placing the liquid crystal panel, at least one ultraviolet (UV) light source for irradiating the liquid crystal panel so that a filler material in a liquid crystal layer rotated to a preset angle can be cured to form a pre-tilt angle, and A UV filtering sheet transmissive to UV rays with wavelengths of 320 nm to 380 nm disposed between the sample stage and the UV light source. By disposing the UV filtering sheet, the filler material in the liquid crystal layer can be quickly cured and a desirable pre-tilt angle can be formed. This shortens the time of UV irradiation, improves the efficiency of producing a pre-tilt angle in the liquid crystal panel and lowers the manufacturing cost of the liquid crystal panel.Type: ApplicationFiled: September 23, 2011Publication date: March 28, 2013Applicant: Shenzhen China Star Optoelectronics Technology Co., LTD.Inventors: Kuan-cheng Lee, Chunliang Lee
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Publication number: 20130040528Abstract: An irradiating apparatus and an irradiating method for a liquid crystal panel are provided in the present disclosure. The irradiating apparatus for the liquid crystal panel comprises an ultraviolet (UV) light emitter and a wavelength filter. The wavelength filter is disposed in front of the UV light emitter and adapted to allow UV light having wavelengths of 300-400 nm emitted by the UV light emitter to pass therethrough. By setting wavelengths of the UV light of 300-400 nm, the irradiating apparatus and the method for the liquid crystal panel of the present disclosure can reduce the time of irradiating the sealant for sealing the liquid crystal panel with UV light during the process of curing the sealant. Thereby, the production efficiency is improved.Type: ApplicationFiled: October 19, 2011Publication date: February 14, 2013Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventors: Kuan-cheng Lee, Chunliang Lee
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Publication number: 20130033664Abstract: The invention provides a method for manufacturing the sealant for the liquid crystal display, comprising the following steps of: adding the conductive medium and the supporting fiber into the raw material of the sealant and equally mixing them; putting the obtained mixture into the defoaming machine to process defoaming treatment; distributing the defoamed mixture to the coater; executing the movement of frame drawing on the substrate for the liquid crystal display via the coater; finally the sealant for the liquid crystal display will be formed after the solidification. The invention further provides a sealant material and a liquid crystal display. The invention is able to effectively reduce the residual of the conductive adhesive or the sealant on the liquid crystal display and avoid the Mura phenomenon.Type: ApplicationFiled: August 4, 2011Publication date: February 7, 2013Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Kuan-cheng Lee, Chunliang Lee
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Publication number: 20120320319Abstract: A liquid crystal display (LCD) panel, a color filter (CF) and a manufacturing method thereof are disclosed in the present disclosure. The CF comprises a transparent substrate, a black matrix, first CF units, second CF units and a conductive layer. The transparent substrate comprises an active area and a dummy area. The first CF units in the active area have a trapezoidal cross section, and the second CF units in the dummy area have an inverted trapezoidal cross section. The conductive layer covers the active area continuously but covers the dummy area discontinuously; and thus, the active area can perform normal electrical conduction functions while an insulating effect can be achieved in the dummy area. In this way, even if conductive particles are present in the dummy area during the assembling process of the CF and a TFT, the discontinuous conductive layer in the dummy area can still prevent occurrence of abnormal conditions that the CF and the TFT are at the same voltage level.Type: ApplicationFiled: September 5, 2011Publication date: December 20, 2012Applicant: Shenzhen China Star Optoelcetronics Technology Co. LTD,Inventors: Hsiao Hsien Chen, Kuan-Cheng Lee
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Publication number: 20120308919Abstract: A manufacturing method for a color filter substrate is disclosed in the present disclosure, which comprises the following steps of: providing a substrate; providing a photoreactive layer that covers the substrate; providing a photomask disposed above the photoreactive layer; and providing light rays of different frequency bands for irradiating the photoreactive layer through the photomask so as to form color resist regions and black matrix regions on the photoreactive layer respectively. A photomask and a photoreactive layer for preparing a color resist layer on a color filter substrate are also provided in the present disclosure. Thereby, the present disclosure can advantageously shorten the production cycle, and improve the aperture ratio and the contrast ratio.Type: ApplicationFiled: July 22, 2011Publication date: December 6, 2012Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventors: Hsiao Hsien Chen, Kuan-Cheng Lee
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Publication number: 20120299319Abstract: The present invention discloses a panel transferring apparatus. The panel transferring apparatus comprises a panel supporting mechanism for supporting a panel. The panel supporting mechanism comprises a plurality of primary supports spaced apart from each other; and a plurality of secondary supports disposed on the primary supports and extending lateral to the primary supports, wherein the primary supports and the secondary supports cooperate to support the panel. The present invention further discloses a panel supporting mechanism. With the aforesaid arrangement of the panel transferring apparatus and the panel supporting mechanism thereof of the present invention, a contact area between the panel supporting mechanism and the panel is increased by disposing the plurality of secondary supports on the plurality of primary supports. Thereby, flexure of the panel is lessened, the production cost is lowered and the production cycle is shortened.Type: ApplicationFiled: June 3, 2011Publication date: November 29, 2012Applicant: Shenzhen China Star Optoelectronics Technology Co. LTD.Inventors: Jo Shan Wu, Kuan-Cheng Lee
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Publication number: 20120287387Abstract: The present invention discloses a manufacturing method of an Optically Compensated Bend (OCB) liquid crystal panel, which comprises: an arranging step S1 for alternately arranging a plurality of thin-film transistor (TFT) substrates and a plurality of color filter (CF) substrates, the TFT substrates and the CF substrates are coated with optical alignment material; a light irradiating step S2 for using an ultraviolet (UV) light source to irradiate the TFT substrates and the CF substrates so that alignment films of predetermined alignment directions are formed by the optical alignment material on the TFT substrates and the CF substrates; and an attaching step S3 for attaching each of the TFT substrates and an adjacent one of the CF substrates in such a way that an alignment direction of the TFT substrate is the same as that of the corresponding CF substrate and filling an OCB liquid crystal layer therebetween to form a plurality of OCB liquid crystal panels.Type: ApplicationFiled: May 19, 2011Publication date: November 15, 2012Applicant: Shenzhen China Star Optoelectronics Technology Co., LTD.Inventors: Kuan-Cheng Lee, Xiaolong Ma
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Publication number: 20060132696Abstract: A liquid crystal display including a first substrate, a second substrate and a non-transparent sealant is provided. The second substrate is disposed opposite to the first substrate, and the non-transparent sealant is cured on the peripheral surface of the second substrate. The non-transparent sealant is adhered to the first substrate while the first substrate and the second substrate are assembled together. The inspector can easily determine whether the plastering of sealant is complete or breakage occurs.Type: ApplicationFiled: April 5, 2005Publication date: June 22, 2006Inventors: Te-Sheng Chen, Kuan-Cheng Lee