Patents by Inventor Yuan-Chang Liao
Yuan-Chang Liao 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: 8720365Abstract: A method for fabricating a display is provided. The method includes providing a substrate having a pixel area, forming a plurality of patterned first electrodes on the pixel area, forming a plurality of partitions on both sides of the patterned first electrodes, respectively filling in spaces between the partitions with various colored material to cover the patterned first electrodes by a depositing process, and forming a cover on the partitions and the colored materials.Type: GrantFiled: September 24, 2008Date of Patent: May 13, 2014Assignee: Industrial Technology Research InstituteInventors: Chao-Kai Cheng, Wan-Wen Chiu, Yuh-Zheng Lee, Yuan-Chang Liao, Jyh-Wen Shiu, Jen-Chieh Yang
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Patent number: 8502952Abstract: Color cholesteric liquid crystal display devices and fabrication methods thereof are provided. The color cholesteric liquid crystal display device includes a first substrate, a second substrate and a gap interposed therebetween. A patterned enclosed structure, formed by adhering a first patterned enclosed structure on the first substrate and a second patterned enclosed structure on the second substrate, is interposed between the first substrate and the second substrate, dividing a plurality of color sub-pixel channels. A plurality of the color cholesteric liquid crystals are respectively filled into each of the color sub-pixel channel, wherein the first patterned enclosed structure is tightly adhered to the second patterned enclosed structure so as to prevent mixing of the color cholesteric liquid crystals between adjacent color sub-pixel channels.Type: GrantFiled: December 15, 2010Date of Patent: August 6, 2013Assignee: Industrial Technology Research InstituteInventors: Yuan-Chang Liao, Yu-Cheng Lai, Yi-Shou Tsai, Kuan-Wei Wu
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Patent number: 8264642Abstract: Single-layered color cholesteric liquid crystal display devices and fabrication methods thereof are provided. The color cholesteric liquid crystal display device includes a first substrate structure having a base and periodic protrusion banks. A second substrate structure is disposed opposite the first substrate structure to enclose the periodic protrusion banks, and divide a plurality of color sub-pixel channels. A plurality of color cholesteric liquid crystals are respectfully filled in each of the color sub-pixel channel, wherein the base and the periodic protrusion banks are made of continuously integral material.Type: GrantFiled: November 10, 2008Date of Patent: September 11, 2012Assignee: Industrial Technology Research InstituteInventors: Da-Wei Lee, Jyh-Wen Shiu, Yuan-Chang Liao, Jen-Chieh Yang
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Patent number: 8149374Abstract: Cholesteric liquid crystal display (Ch-LCD) devices with actuating thin-film driving elements are presented. The Ch-LCD device includes a first substrate and an opposing second substrate. An actuating thin-film structure is disposed on the first substrate. A cholesteric liquid crystal layer is filled between the first substrate and the second substrate. A common electrode is disposed on the second substrate. In operation, the actuating thin-film structure is deformed to drive phase transition of the cholesteric liquid crystal layer.Type: GrantFiled: May 18, 2009Date of Patent: April 3, 2012Assignee: Industrial Technology Research InstituteInventors: Jen-Chieh Yang, Yuan-Chang Liao
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Patent number: 8139008Abstract: Bi-stable display systems and driving methods thereof are presented. The bi-stable display system includes a bi-stable display panel having at least one substrate, at least one electrode disposed on the substrate, and a bi-stable display medium between the at least one electrode, wherein the at least one electrode extends to pluralities of electrode pads on the at least one side of peripheral regions. A data input device for inputting display data to the bi-stable display panel includes a plurality of input terminals corresponding to the electrode pads of the bi-stable display panel. A trigger device detects relative movement between the bi-stable display panel and the data input device and generates a trigging signal to shift data address in a data shifter, thereby renewing image data in the bi-stable display panel.Type: GrantFiled: February 10, 2009Date of Patent: March 20, 2012Assignee: Industrial Technology Research InstituteInventors: Chieh-Yi Huang, Chao-Kai Cheng, Yuh-Zheng Lee, Jyh-Wen Shiu, Yuan-Chang Liao
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Patent number: 8102499Abstract: The invention provide a fabrication method for a color cholesteric liquid crystal display device, comprising: providing a first substrate; forming a patterned enclosed structure on the first substrate, wherein the patterned enclosed structure comprises a plurality of stripe wall structures, and one end of each stripe wall structure is connected to and perpendicular to a straight seal line, thereby dividing a first LC channel with a first opening, a second closed LC channel, and a third closed LC channel, and the length of the first LC channel exceeds that of the second LC channel, and the length of the second LC channel exceeds that of the third LC channel; providing a second substrate with an adhesion layer formed thereon; assembling the first substrate and the second substrate to tightly seal the adhesion layer and the patterned enclosed structure.Type: GrantFiled: November 29, 2010Date of Patent: January 24, 2012Assignee: Industrial Technology Research InstituteInventors: Yuan-Chang Liao, Jen-Chieh Yang, Kuo-Lung Lo
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Publication number: 20110187982Abstract: Color cholesteric liquid crystal display devices and fabrication methods thereof are provided. The color cholesteric liquid crystal display device includes a first substrate, a second substrate and a gap interposed therebetween. A patterned enclosed structure, formed by adhering a first patterned enclosed structure on the first substrate and a second patterned enclosed structure on the second substrate, is interposed between the first substrate and the second substrate, dividing a plurality of color sub-pixel channels. A plurality of the color cholesteric liquid crystals are respectively filled into each of the color sub-pixel channel, wherein the first patterned enclosed structure is tightly adhered to the second patterned enclosed structure so as to prevent mixing of the color cholesteric liquid crystals between adjacent color sub-pixel channels.Type: ApplicationFiled: December 15, 2010Publication date: August 4, 2011Applicant: INUDSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yuan-Chang Liao, Yu-Cheng Lai, Yi-Shou Tsai, Kuan-Wei Wu
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Publication number: 20110069272Abstract: The invention provide a fabrication method for a color cholesteric liquid crystal display device, comprising: providing a first substrate; forming a patterned enclosed structure on the first substrate, wherein the patterned enclosed structure comprises a plurality of stripe wall structures, and one end of each stripe wall structure is connected to and perpendicular to a straight seal line, thereby dividing a first LC channel with a first opening, a second closed LC channel, and a third closed LC channel, and the length of the first LC channel exceeds that of the second LC channel, and the length of the second LC channel exceeds that of the third LC channel; providing a second substrate with an adhesion layer formed thereon; assembling the first substrate and the second substrate to tightly seal the adhesion layer and the patterned enclosed structure.Type: ApplicationFiled: November 29, 2010Publication date: March 24, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yuan-Chang Liao, Jen-Chieh Yang, Kuo-Lung Lo
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Patent number: 7864285Abstract: Color cholesteric liquid crystal display devices and fabrication methods thereof are provided. The color cholesteric liquid crystal display device includes a first substrate, a second substrate and a gap interposed therebetween. A patterned enclosed structure is interposed between the first substrate and the second substrate dividing a plurality of color sub-pixel channels. A plurality of color cholesteric liquid crystals are respectively filled in each of the color sub-pixel channel, wherein an adhesion layer is tightly adhered between the second substrate and the patterned enclosed structure so as to prevent mixing of the color cholesteric liquid crystals between adjacent color sub-pixel channels.Type: GrantFiled: December 4, 2007Date of Patent: January 4, 2011Assignee: Industrial Technology Research InstituteInventors: Yuan-Chang Liao, Jen-Chieh Yang, Kuo-Lung Lo
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Publication number: 20100134706Abstract: Cholesteric liquid crystal display (Ch-LCD) devices with actuating thin-film driving elements are presented. The Ch-LCD device includes a first substrate and an opposing second substrate. An actuating thin-film structure is disposed on the first substrate. A cholesteric liquid crystal layer is filled between the first substrate and the second substrate. A common electrode is disposed on the second substrate. In operation, the actuating thin-film structure is deformed to drive phase transition of the cholesteric liquid crystal layer.Type: ApplicationFiled: May 18, 2009Publication date: June 3, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jen-Chieh Yang, Yuan-Chang Liao
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Publication number: 20100110343Abstract: Bi-stable display systems and driving methods thereof are presented. The bi-stable display system includes a bi-stable display panel having at least one substrate, at least one electrode disposed on the substrate, and a bi-stable display medium between the at least one electrode, wherein the at least one electrode extends to pluralities of electrode pads on the at least one side of peripheral regions. A data input device for inputting display data to the bi-stable display panel includes a plurality of input terminals corresponding to the electrode pads of the bi-stable display panel. A trigger device detects relative movement between the bi-stable display panel and the data input device and generates a trigging signal to shift data address in a data shifter, thereby renewing image data in the bi-stable display panel.Type: ApplicationFiled: February 10, 2009Publication date: May 6, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chieh-Yi Huang, Chao-Kai Cheng, Yuh-Zheng Lee, Jyh-Wen Shiu, Yuan-Chang Liao
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Publication number: 20090244442Abstract: Single-layered color cholesteric liquid crystal display devices and fabrication methods thereof are provided. The color cholesteric liquid crystal display device includes a first substrate structure having a base and periodic protrusion banks. A second substrate structure is disposed opposite the first substrate structure to enclose the periodic protrusion banks, and divide a plurality of color sub-pixel channels. A plurality of color cholesteric liquid crystals are respectfully filled in each of the color sub-pixel channel, wherein the base and the periodic protrusion banks are made of continuously integral material.Type: ApplicationFiled: November 10, 2008Publication date: October 1, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Da-Wei Lee, Jyh-Wen Shiu, Yuan-Chang Liao, Jen-Chieh Yang
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Publication number: 20090227171Abstract: A method for fabricating a display is provided. The method includes providing a substrate having a pixel area, forming a plurality of patterned first electrodes on the pixel area, forming a plurality of partitions on both sides of the patterned first electrodes, respectively filling in spaces between the partitions with various colored material to cover the patterned first electrodes by a depositing process, and forming a cover on the partitions and the colored materials.Type: ApplicationFiled: September 24, 2008Publication date: September 10, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chao-Kai Cheng, Wan-Wen Chiu, Yuh-Zheng Lee, Yuan-Chang Liao, Jyh-Wen Shiu, Jen-Chieh Yang
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Publication number: 20090128771Abstract: Fabrication methods for cholesteric liquid crystal display devices are presented. A roll of a first substrate is conveyed from a first direction. A patterned enclosure structure is formed on the roll of the first substrate, wherein the patterned enclosure structure includes a plurality of stripes for dividing liquid crystals. A roll of a second substrate is conveyed from a second direction. An adhesion layer is formed on the roll of the second substrate. The first and the second substrates are assembled by dual rollers, thereby tightly combining the adhesion layer and the patterned enclosure structure.Type: ApplicationFiled: December 18, 2008Publication date: May 21, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jen-Chieh Yang, Yuan-Chang Liao, Jyh-Wen Shiu
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Publication number: 20090046231Abstract: A display panel including a substrate, a first electrode layer, a pixel definition layer, a liquid display medium, a cap layer, and a second electrode layer is provided. The first electrode layer is disposed on the substrate. The pixel definition layer is disposed on the first electrode layer, wherein the pixel definition layer has a plurality of openings arranged in array so as to expose a part of the first electrode layer. The liquid display medium is disposed within the openings. The cap layer is connected to the pixel definition layer and covers the liquid display medium, so as to envelop the liquid display medium in the openings. The second electrode layer is disposed on the cap layer. A method of fabricating the display panel is also provided. Accordingly, the thickness of the display panel is decreased and the process of fabricating the display panel is more easily controlled.Type: ApplicationFiled: January 16, 2008Publication date: February 19, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jhih-Ping Lu, Fu-Kang Chen, Wen-Chun Chen, Yuh-Zheng Lee, Yuan-Chang Liao
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Publication number: 20080252821Abstract: Color cholesteric liquid crystal display devices and fabrication methods thereof are provided. The color cholesteric liquid crystal display device includes a first substrate, a second substrate and a gap interposed therebetween. A patterned enclosed structure is interposed between the first substrate and the second substrate dividing a plurality of color sub-pixel channels. A plurality of color cholesteric liquid crystals are respectively filled in each of the color sub-pixel channel, wherein an adhesion layer is tightly adhered between the second substrate and the patterned enclosed structure so as to prevent mixing of the color cholesteric liquid crystals between adjacent color sub-pixel channels.Type: ApplicationFiled: December 4, 2007Publication date: October 16, 2008Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yuan-Chang Liao, Jen-Chieh Yang, Kuo-Lung Lo