Patents by Inventor Kuo-Lung Lo
Kuo-Lung Lo 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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Publication number: 20100223779Abstract: Electrowetting display devices and fabrication methods thereof are presented. The electrowetting display device includes a first substrate and a second substrate with a polar fluid layer and a non-polar fluid layer insolvable to each other and interposed between the first and second substrates. A first transparent electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A dielectric layer is disposed on the second electrode. A hydrophilic partition wall structure is directly disposed on the dielectric layer defining a plurality of pixel regions. A layer of low surface energy material is disposed on the dielectric layer within each of the pixel region.Type: ApplicationFiled: May 19, 2010Publication date: September 9, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Lung Lo, Chih-Chun Hsiao
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Publication number: 20100225611Abstract: Electrowetting display devices are provided. The electrowetting display includes a first substrate and an opposing second substrate with a polar fluid layer and a non-polar fluid layer interposed between the first and second substrates. A first electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A hydrophilic bank structure is disposed on the first substrate, and a reflective layer is disposed on the second substrate, wherein the first substrate of the electrowetting display serves as a display face.Type: ApplicationFiled: January 20, 2010Publication date: September 9, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hsin-Hung Lee, Yu-Hsiang Tsai, Da-Wei Lee, Kuo-Lung Lo, Wei-Yuan Cheng
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Patent number: 7760420Abstract: Electrowetting display devices are presented. The electrowetting display includes a first substrate and an opposing second substrate with a polar fluid layer and a color non-polar fluid layer interposed therebetween. A first transparent electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A hydrophilic partition structure is disposed on the second substrate, thereby defining a plurality of sub-pixels. The color electrowetting display further includes an array of color pixel regions. Each pixel region consists of a set of primary color sub-pixel. Each color sub-pixel corresponds to one of different color non-polar fluid layers, and each of the different color non-polar fluid layers is isolated from each other. The colors of non-polar fluid layer in the neighboring sub-pixels are different.Type: GrantFiled: February 25, 2009Date of Patent: July 20, 2010Assignee: Industrial Technology Research InstituteInventors: Wei-Yuan Cheng, Chieh-Yi Huang, Kuo-Chang Lee, Kuo-Lung Lo
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Patent number: 7746540Abstract: Electrowetting display devices and fabrication methods thereof are presented. The electrowetting display device includes a first substrate and a second substrate with a polar fluid layer and a non-polar fluid layer insolvable to each other and interposed between the first and second substrates. A first transparent electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A dielectric layer is disposed on the second electrode. A hydrophilic partition wall structure is directly disposed on the dielectric layer defining a plurality of pixel regions. A layer of low surface energy material is disposed on the dielectric layer within each of the pixel region.Type: GrantFiled: September 29, 2008Date of Patent: June 29, 2010Assignee: Industrial Technology Research InstituteInventors: Kuo-Lung Lo, Chih-Chun Hsiao
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Publication number: 20100149621Abstract: A light valve unit may include a first conductive layer and a second conductive layer disposed on opposite sides of each other with respect to a plurality of cells in which at least some of the cells include a first material and a second material. The first material may have a lower light transmissivity property than the second material and a position of the first material within a corresponding cell may be changeable responsive to application of an electric field between the first and second conductive layers. The second conductive layer may include at least two electrodes and a gap defined between the two electrodes. A portion of the light valve unit adjacent to the gap may be configured to have a transmissivity that is substantially less than transmissivity of a portion of the light valve unit adjacent to cells across which the electric field is applied, but greater than or equal to transmissivity of a portion of the light valve unit adjacent to cells across which the electric field is not applied.Type: ApplicationFiled: May 15, 2009Publication date: June 17, 2010Inventors: Jyh-Wen Shiu, Wei-Yuan Cheng, Pei-Ju Su, Kuo-Lung Lo, Yu-Hsiang Tsai
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Publication number: 20100128341Abstract: Electrowetting display devices are presented. The electrowetting display includes a first substrate and an opposing second substrate with a polar fluid layer and a color non-polar fluid layer interposed therebetween. A first transparent electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A hydrophilic partition structure is disposed on the second substrate, thereby defining a plurality of sub-pixels. The color electrowetting display further includes an array of color pixel regions. Each pixel region consists of a set of primary color sub-pixel. Each color sub-pixel corresponds to one of different color non-polar fluid layers, and each of the different color non-polar fluid layers is isolated from each other. The colors of non-polar fluid layer in the neighboring sub-pixels are different.Type: ApplicationFiled: February 25, 2009Publication date: May 27, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wei-Yuan Cheng, Chieh-Yi Huang, Kuo-Chang Lee, Kuo-Lung Lo
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Publication number: 20100108232Abstract: A method for fabricating an electrowetting display is provided. The method includes forming a plurality of hydrophilic ribs on a first substrate, forming a retaining wall surrounding the hydrophilic ribs, filling a non-polar solution within the hydrophilic ribs, forming a polar solution over the non-polar solution and the hydrophilic ribs within the retaining wall, providing a second substrate and assembling the first substrate and the second substrate.Type: ApplicationFiled: August 12, 2009Publication date: May 6, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuan-Ting Chen, Wei-Yuan Cheng, Kuo-Lung Lo, Chih-Chun Hsiao, Yu-Hsiang Tsai
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Publication number: 20090207358Abstract: Horizontal-switching flexible liquid crystal displays (LCD) and fabrication methods thereof are provided. The horizontal-switching flexible liquid crystal display includes a flexible first substrate, a second substrate and a liquid crystal (LC) layer interposed therebetween. The LC layer consists of liquid crystal molecules affected by a horizontal field and divided into an upper portion and a lower portion. At least one pair of a patterned pixel electrode and a common electrode is disposed on the first substrate. The pixel electrode and the common electrode are formed on the same plane, thereby generating a horizontal field during operation. First and second alignment layers allow the LC molecules of the LC layer to be in a substantially vertical alignment. The phase retardation of the horizontal-switching LCD is due to the lower portion of the LC layer.Type: ApplicationFiled: September 18, 2008Publication date: August 20, 2009Applicant: INDUSTRIAL TEACHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Chang Lee, Kuo-Lung Lo, Yi-An Sha
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Publication number: 20090168144Abstract: Electrowetting display devices and fabrication methods thereof are presented. The electrowetting display device includes a first substrate and a second substrate with a polar fluid layer and a non-polar fluid layer insolvable to each other and interposed between the first and second substrates. A first transparent electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A dielectric layer is disposed on the second electrode. A hydrophilic partition wall structure is directly disposed on the dielectric layer defining a plurality of pixel regions. A layer of low surface energy material is disposed on the dielectric layer within each of the pixel region.Type: ApplicationFiled: September 29, 2008Publication date: July 2, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Lung Lo, Chih-Chun Hsiao
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Publication number: 20090169806Abstract: A display and fabricating method thereof is provided. The display includes a first substrate, a second substrate, a hydrophobic layer, a nonpolar liquid layer, a hydrophilic separator, a polar liquid layer, and a protruding spacer. The first and second substrates respectively include an opposing surface, and are disposed in a way that the opposing surfaces are face-to-face opposing to each other. The hydrophobic layer overlies the opposing surface of the second substrate. The nonpolar liquid layer overlies the hydrophobic layer. The hydrophilic separator overlies the hydrophobic layer and surrounds the nonpolar liquid layer. The polar liquid layer overlies the nonpolar liquid layer. The protruding spacer is disposed between the hydrophilic separator and the first substrate.Type: ApplicationFiled: August 25, 2008Publication date: July 2, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Lung Lo, Wei-Yuan Cheng, Jyh-Wen Shiu
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Publication number: 20090103159Abstract: Electrowetting display devices are presented. The electrowetting display includes a first substrate and an opposing second substrate with a transparent polar fluid layer and an opaque non-polar fluid layer insoluble with each other and interposed between the first and second substrates. A first transparent electrode is disposed on the first substrate. A second transparent electrode is disposed on the second substrate. A dielectric layer is disposed on the second transparent electrode. A reflective plate structure is interposed between the second transparent electrode and the second substrate, thereby defining a reflective region and a transmission region. A backlight plate is disposed on the back of the second substrate. During operation, the opaque non-polar fluid converges, therefore, exposing equal areas of reflective region and transmission region.Type: ApplicationFiled: August 18, 2008Publication date: April 23, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wei-Yuan Cheng, Chih-Chun Hsiao, Jen-Chien Yang, Kuo-Lung Lo
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Publication number: 20090091815Abstract: A three-dimensional display device including a display panel and a modulatable electrowetting grating is provided. The display panel has a plurality of pixels. The modulatable electrowetting grating is disposed on the display panel, and has a plurality of electrowetting light valves corresponding to the pixels.Type: ApplicationFiled: December 27, 2007Publication date: April 9, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jyh-Wen Shiu, Wei-Yuan Cheng, Cheng-Hsi Hsieh, Kuo-Lung Lo
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Patent number: 7515340Abstract: A three-dimensional display device including a display panel and a modulatable electrowetting grating is provided. The display panel has a plurality of pixels. The modulatable electrowetting grating is disposed on the display panel, and has a plurality of electrowetting light valves corresponding to the pixels.Type: GrantFiled: December 27, 2007Date of Patent: April 7, 2009Assignee: Industrial Technology Research InstituteInventors: Jyh-Wen Shiu, Wei-Yuan Cheng, Cheng-Hsi Hsieh, Kuo-Lung Lo
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Publication number: 20090040591Abstract: An electrowetting display comprises a first substrate and a second substrate. A plurality of first conductive electrodes is formed over the first substrate. A second conductive layer is formed over the second substrate and spaced apart from the plurality of the first conductive electrodes. A plurality of cells is formed over the first conductive electrodes. Each cell is formed between one of the first conductive electrodes and the second conductive layer. Each two adjacent cells being separated by a partition. At least two cells include a first material and a second material over the first material. The at least two cells have two different colors. A shape of the first material is capable of being changed upon a change of an electrical field between the first conductive electrode and the second conductive layer.Type: ApplicationFiled: May 23, 2008Publication date: February 12, 2009Applicant: INDUSTRIAL TECHNOLGY RESEACH INSTITUTEInventors: Chao-Kai CHENG, Wan-Wen CHIU, Chung-Wei WANG, Wei-Yuan CHENG, Kuo-Lung LO
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Publication number: 20090033821Abstract: An OCB mode liquid crystal display device is provided. The OCB mode liquid crystal display device comprises a first substrate, a second substrate and a liquid crystal layer interposed therebetween. The first substrate and the second substrate are disposed oppositely to each other. The device further comprises a first pixel electrode disposed on the first substrate, a second pixel electrode disposed on the first substrate and spaced apart from the first pixel electrode by a distance. The first pixel electrode and second pixel electrode are alternately arranged. The device further comprises a first alignment layer disposed on the first substrate to cover the first pixel electrode and the second pixel electrode, a common electrode disposed on the second substrate, and a second alignment layer disposed on the second substrate covering the common electrode.Type: ApplicationFiled: March 12, 2008Publication date: February 5, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Chang Lee, Kuo-Lung Lo
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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