Patents by Inventor Po Hsien Wang
Po Hsien Wang 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: 20110157043Abstract: An active device array substrate including an active device array and a plurality of touch sensing electrodes is provided. The active device array is disposed on a substrate. The touch sensing electrodes are disposed on the substrate, and the active device array and the touch sensing electrodes are insulated with each other so as to form a sensing capacitance between the active device array and the touch sensing electrodes.Type: ApplicationFiled: December 8, 2010Publication date: June 30, 2011Applicants: DONGGUAN MASSTOP LIQUID CRYSTAL DISPLAY CO., LTD., WINTEK CORPORATIONInventors: Chih-Chang Lai, Ting-Yu Chang, Po-Hsien Wang, Ching-Fu Hsu, Hsiao-Hui Liao
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Publication number: 20110109579Abstract: A touch-sensitive display panel including a first substrate, a second substrate, an active pixel matrix, many driving circuits, many sensing electrodes and many color filter layers is provided. The active pixel matrix includes many pixels. The second substrate has a first surface and a second surface, wherein the first surface faces the active pixel matrix. The driving circuits are corresponding to the edges of the pixels for forming many openings. Each driving circuit includes a first main line and a second main line. The first main line has a first end connected to the active pixel matrix and a second end connected to the first substrate. The second main line is connected to the second end of the first main line through the first substrate. The color filter layers are filled in the openings. The sensing electrodes and the driving circuits are used for detecting at least one touch point.Type: ApplicationFiled: November 12, 2010Publication date: May 12, 2011Applicant: WINTEK CORPORATIONInventors: Po-Hsien Wang, Chih-Chang Lai, Jyun-Sian Li, Ching-Fu Hsu
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Publication number: 20100259700Abstract: A liquid crystal display device includes a plurality of pixel units. Each of the pixel units includes a first thin film transistor and a second thin film transistor, a reflective sheet, and a storage capacitor. The channel width/length ratio of the first thin film transistor and the channel width/length ratio of the second thin film transistor are both larger than 12/5. The reflective sheet is disposed adjacent to the first thin film transistor and the second thin film transistor to reflect ambient light. The storage capacitor is formed at a position overlapping the reflective sheet and has a capacitance of lager than 1 pF.Type: ApplicationFiled: April 8, 2010Publication date: October 14, 2010Inventors: Chih-Chang LAI, Nai Heng CHANG, Wen-Chun WANG, Po-Hsien WANG, Jyun-Sian LI, Ching-Fu HSU, Wei-Jian CHANG
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Publication number: 20100225629Abstract: A photo sensing module is provided on a first substrate and includes a photo sensing device and a protection wiring. A gap exists between the photo sensing module and an external circuit, and the photo sensing device is provided on the first substrate. The protection wiring is electrically-conductive and located between the external circuit and at least a portion of the photo sensing device.Type: ApplicationFiled: March 4, 2010Publication date: September 9, 2010Inventors: Wen-Chun WANG, Po-Hsien Wang, Chih-Chang Lai, Hsi-Rong Han
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Publication number: 20100195188Abstract: An electrophoretic display panel includes a transparent substrate, a first electrode, a transparent wall, a plurality of display media, and a plurality of reflective elements. The first electrode is disposed on the transparent substrate. The transparent wall is disposed on the first electrode to define a plurality of micro-cell structures on the first electrode. Each of the micro-cell structures is respectively filled with the display media, and each of the display media has a plurality of colored particles. Each of the reflective elements is disposed on a projection direction of the transparent wall on the transparent substrate. An electrophoretic display apparatus is also provided. The electrophoretic display panel and the electrophoretic display apparatus can be used on condition of various illuminations and have advantages of maintaining display brightness and ensuring low power consumption.Type: ApplicationFiled: February 3, 2010Publication date: August 5, 2010Applicant: WINTEK CORPORATIONInventors: Chun-Ming Huang, Po-Hsien Wang, Chih-Chang Lai
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Publication number: 20100026949Abstract: An LCD panel includes a first substrate, a second substrate, pixel units, a liquid crystal layer disposed between the first substrate and the second substrate opposite to each other, and an opposite electrode. Each pixel unit has a first auxiliary electrode, a dielectric layer covering the first auxiliary electrode, and a pixel electrode on the dielectric layer. The first auxiliary electrode includes a transparent conductive pattern on the first substrate and a metal conductive pattern on the transparent conductive pattern. An edge of the pixel electrode and the transparent conductive pattern are partially overlapped. The opposite electrode is disposed between the second substrate and the liquid crystal layer. Liquid crystal molecules of the liquid crystal layer tilt away from the edge of the pixel electrode when a common voltage is applied to the first auxiliary electrode and the opposite electrode, and a display voltage is applied to the pixel electrode.Type: ApplicationFiled: June 8, 2009Publication date: February 4, 2010Applicant: WINTEK CORPORATIONInventors: Yi-Chun Wu, Chien-Chang Lee, Po-Hsien Wang
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Patent number: 7630028Abstract: A color liquid crystal display includes a wavelength converter having a plurality of wavelength conversion areas and a plurality of transparent areas. The wavelength conversion areas are disposed at the positions corresponding to red and green filters while the transparent areas are disposed at the positions corresponding to blue filters. After passing through the wavelength conversion areas, a blue light is converted to a broadband yellow light. The broadband yellow light will be subsequently converted to a red or green light of interest when it passes through red or green filters. The blue light will experience no change in wavelength when it passes through the transparent areas. With such arrangement, the displayed brightness and saturation of red and green colors can be improved, and the displayed brightness and saturation of blue color can also be enhanced.Type: GrantFiled: April 3, 2007Date of Patent: December 8, 2009Assignee: Wintek CorporationInventors: Po Hsien Wang, Hsuan Yang Chen
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Publication number: 20090207194Abstract: A driving method adapted to driving an optical touch panel is provided. The optical touch panel is disposed on a backlight module and has a plurality of touch sensing elements. The touch sensing elements have a light-shading sensing mode and a light-reflecting sensing mode. The driving method includes sensing an intensity of an ambient light. When the intensity of the ambient light is greater than a reference, the touch sensing elements operate in the light-shading sensing mode. Alternately, when the intensity of the ambient light is smaller than the reference, the touch sensing elements operate in the light-reflecting sensing mode. The abovementioned driving method is help for the optical touch panel to accurately sensing in various conditions of different ambient lights such that the usage of the optical touch panel is more convenient.Type: ApplicationFiled: February 18, 2009Publication date: August 20, 2009Applicant: WINTEK CORPORATIONInventors: Po-Hsien Wang, Chih-Chang Lai
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Publication number: 20080252815Abstract: A polarization structure and a liquid crystal display device having the same are provided. The polarization structure includes a polarizing film, a phase compensation film layer, and a diffusing adhesive layer. The phase compensation film layer is disposed on the polarizing film, and the diffusing adhesive layer is disposed on one side of the phase compensation film layer opposite to the polarizing film. The diffusing adhesive layer has an adhesive material and a plurality of diffusing particles added into the adhesive material.Type: ApplicationFiled: April 13, 2007Publication date: October 16, 2008Inventors: Po-Hsien Wang, Wei-Lung Lin, Ping-Wen Huang, Hong-En Yang, Wen-Jung Tsai
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Publication number: 20080106678Abstract: A color filter structure disposed in a displaying panel of a display device is provided. The color filter structure includes several filtering layers with at least four colors. The four colors are red, blue, a first color and a second color. The first color is between green and cyan. The second color is between green and yellow.Type: ApplicationFiled: October 26, 2007Publication date: May 8, 2008Applicant: Wintek CorporationInventors: Po-Hsien Wang, Hsuan-Yang Chen, Chih-Chang Lai
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Patent number: 7304702Abstract: A liquid crystal display with mirror face function, including a liquid crystal display module and a reflective element. A lower polarizing plate and an upper polarizing plate are respectively disposed on two faces of the liquid crystal display module. The reflective element is disposed on one face of the upper polarizing plate distal from the backlight element, whereby the reflective element can reflect part of external light to achieve a mirror-face effect. When the liquid crystal display module display a picture, the light emitted from the liquid crystal display module can pass through the reflective element to enhance the transparence.Type: GrantFiled: January 4, 2005Date of Patent: December 4, 2007Assignee: Wintek CorporationInventor: Po Hsien Wang
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Publication number: 20070229736Abstract: A color liquid crystal display includes a wavelength converter having a plurality of wavelength conversion areas and a plurality of transparent areas. The wavelength conversion areas are disposed at the positions corresponding to red and green filters while the transparent areas are disposed at the positions corresponding to blue filters. After passing through the wavelength conversion areas, a blue light is converted to a broadband yellow light. The broadband yellow light will be subsequently converted to a red or green light of interest when it passes through red or green filters. The blue light will experience no change in wavelength when it passes through the transparent areas. With such arrangement, the displayed brightness and saturation of red and green colors can be improved, and the displayed brightness and saturation of blue color can also be enhanced.Type: ApplicationFiled: April 3, 2007Publication date: October 4, 2007Applicant: WINTEK CORPORATIONInventors: Po Hsien WANG, Hsuan Yang CHEN
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Publication number: 20060017868Abstract: A liquid crystal penal has a lower color filter film, a reflective film, an upper color filter film, a protective layer (with or without), a lower transparent electrode and an upper glass substrate with an upper transparent electrode on a bottom thereof stacked on the on a lower glass substrate in sequence. And then, a liquid crystal layer is provided in between the upper and the lower transparent electrode. The liquid crystal penal of the present invention provides a higher color intensity and a greater luminance.Type: ApplicationFiled: July 23, 2004Publication date: January 26, 2006Applicant: Wintek CorporationInventor: Po-Hsien Wang
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Publication number: 20040239849Abstract: A liquid crystal display with mirror face function. A light deflecting plate is disposed on one face of the liquid crystal display module opposite to the backlight element. A brightness enhancement film is disposed between the liquid crystal display module and the light deflecting plate. The direction of the light penetration axis of the brightness enhancement film is identical to the direction of the light penetration axis of the liquid crystal display module, whereby external light is reflected by the brightness enhancement film to achieve a mirror face effect. The light emitted by the liquid crystal display module can easily pass through the brightness enhancement film so that the light penetrability of the liquid crystal display module is enhanced.Type: ApplicationFiled: June 2, 2003Publication date: December 2, 2004Inventor: Po Hsien Wang
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Publication number: 20040189899Abstract: A semitransparent liquid crystal display includes a liquid crystal module including an upper and a lower transparent substrates and a liquid crystal layer sandwiched between the upper and lower transparent substrates. A dielectric layer, a reflective layer, a color filtering film and a covering film are laid on the lower transparent substrate. The color filtering film has numerous red sub-pixels, green sub-pixels and blue sub-pixels arranged in a checker pattern. The reflective layer is formed with multiple openings. The openings of two adjacent rows are parallelly displaced and interlaced. The openings are arranged respectively corresponding to the sub-pixels of the color filtering film.Type: ApplicationFiled: March 24, 2003Publication date: September 30, 2004Inventor: Po Hsien Wang
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Patent number: 6791642Abstract: A liquid crystal display with a Fresnel lens reflective layer includes an upper transparent substrate, a lower transparent substrate and a liquid crystal layer sandwiched between the upper and lower transparent substrates. A resin layer is laid on the lower transparent substrate. The resin layer is composed of numerous units each having more than one region. The region has a Fresnel lens concentric annular structures or a part thereof. A reflective layer is laid on the resin layer. The surface of the reflective layer has the Fresnel lens structure pattern for reflecting and scattering the light so as to reduce glare, enhance brightness and lower chromatic aberration.Type: GrantFiled: April 17, 2003Date of Patent: September 14, 2004Assignee: Wintek CorporationInventor: Po Hsien Wang
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Publication number: 20040075790Abstract: The performance of a pellucid LCD is marvelously improved by staggeringly disposing the transparent electrodes and the metallic electrodes in the display zone so as to serve functions of light transmission and light reflection respectively. Besides the two electrodes are isolated by a transparent dielectric layer such that the distance between adjacent electrodes (pixels) can be shortened to overcome the fabrication and masking difficulty. Electrodes formed of thin metallic conducting films contribute to narrowing the scanning line thereby a narrower dummy display edge can be realized.Type: ApplicationFiled: October 21, 2002Publication date: April 22, 2004Applicant: Wintek CorporationInventor: Po-Hsien Wang
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Publication number: 20040027519Abstract: A color compensating structure of semireflecting liquid crystal display and a method for manufacturing the structure. A structure includes an upper insulating substrate and a lower insulating substrate between which a liquid crystal layer is disposed. A semireflecting film is plated on the lower insulating substrate. A color light filtering film and a resin protective layer are sequentially disposed on the semireflecting film. The color light filtering film is formed of light resistor with high color saturation. A total reflecting film is plated on the protective layer and patterned.Type: ApplicationFiled: August 7, 2002Publication date: February 12, 2004Inventors: Po-Hsien Wang, Yi-Fan Chen