Patents by Inventor Wei-Chou Chen
Wei-Chou Chen 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: 20110001903Abstract: A polarizing plate is provided. The polarizing plate includes a polarizing layer having a first and a second opposite sides; a parallax barrier layer configured above one of the first and the second sides of the polarizing layer, and a top surface protecting layer configured above the parallax barrier layer.Type: ApplicationFiled: June 22, 2010Publication date: January 6, 2011Applicant: HANNSTAR DISPLAY CORP.Inventors: Mu-Kai KANG, Wei-Chou CHEN, Heng-Cheng TSENG, Cheng-Yeh TSAI
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Patent number: 7825998Abstract: Input displays are provided. A representative input display comprises a first substrate, a second substrate, a liquid crystal layer, a photo sensor, a color filter, and a light-shielding element. The liquid crystal layer accommodated in a liquid crystal space is sandwiched between transparent first and second substrates, comprising a first substrate side and a second substrate side. The photo sensor overlies the first substrate side. The color filter disposed in the liquid crystal space, over the photo sensor. The color filter comprises a first opening exposing portions of the photo sensor. The light-shielding element is disposed alongside portions of a periphery of the photo sensor.Type: GrantFiled: April 6, 2007Date of Patent: November 2, 2010Assignee: Hannstar Display Corp.Inventors: Wei-Chou Chen, Po-Yang Chen, Kei-Hsiung Yang
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Patent number: 7605888Abstract: A liquid crystal display panel having a display area comprises a first substrate, a second substrate, a sealant, a liquid crystal layer, and a light-shielding layer. The sealant is disposed between the first substrate and the second substrate. The liquid crystal layer is disposed in a space defined by the first substrate, the second substrate and the sealant. The light shielding layer is disposed on a first outer surface of the first substrate or a second outer surface of the second substrate, wherein the light shielding layer and the display area are not overlapped. In addition, the liquid crystal display panel further comprises a protection layer. Since the protection layer encapsulates the light-shielding layer, out-diffusion of dye within the light-shielding layer is effectively prevented.Type: GrantFiled: January 19, 2009Date of Patent: October 20, 2009Assignee: Hannstar Display CorporationInventors: Cheng-Yeh Tsai, Wei-Chou Chen, Chih-Yung Wan, Ming-Tien Lin
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Publication number: 20090128756Abstract: A liquid crystal display panel having a display area comprises a first substrate, a second substrate, a sealant, a liquid crystal layer, and a light-shielding layer. The sealant is disposed between the first substrate and the second substrate. The liquid crystal layer is disposed in a space defined by the first substrate, the second substrate and the sealant. The light shielding layer is disposed on a first outer surface of the first substrate or a second outer surface of the second substrate, wherein the light shielding layer and the display area are not overlapped. In addition, the liquid crystal display panel further comprises a protection layer. Since the protection layer encapsulates the light-shielding layer, out-diffusion of dye within the light-shielding layer is effectively prevented.Type: ApplicationFiled: January 19, 2009Publication date: May 21, 2009Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Cheng-Yeh Tsai, Wei-Chou Chen, Chih-Yung Wan, Ming-Tien Lin
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Patent number: 7525608Abstract: An input display and fabrication method thereof. The input display comprises a black matrix on a first substrate defining a plurality of sub-pixel areas, a plurality of color filters on the sub-pixel areas, a plurality of light sensitive elements on a second substrate facing the first substrate, a plurality of convex lenses, wherein a central axis of the convex lens is substantially aligned with the light sensitive element, and a liquid crystal layer disposed between the first substrate and the second substrate. The convex lenses converge more light on the light sensitive elements, enhancing sensitivity of the input display.Type: GrantFiled: August 14, 2006Date of Patent: April 28, 2009Assignee: Hannstar Display Corp.Inventors: Cheng-Yeh Tsai, Wei-Chou Chen, Po-Yang Chen
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Patent number: 7499130Abstract: A liquid crystal display panel having a display area comprises a first substrate, a second substrate, a sealant, a liquid crystal layer, and a light-shielding layer. The sealant is disposed between the first substrate and the second substrate. The liquid crystal layer is disposed in a space defined by the first substrate, the second substrate and the sealant. The light shielding layer is disposed on a first outer surface of the first substrate or a second outer surface of the second substrate, wherein the light shielding layer and the display area are not overlapped. In addition, the liquid crystal display panel further comprises a protection layer. Since the protection layer encapsulates the light-shielding layer, out-diffusion of dye within the light-shielding layer is effectively prevented.Type: GrantFiled: November 15, 2004Date of Patent: March 3, 2009Assignee: Hannstar Display CorporationInventors: Cheng-Yeh Tsai, Wei-Chou Chen, Chih-Yung Wan, Ming-Tien Lin
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Patent number: 7497611Abstract: A polarized light source device comprises a light source, a reflector, a transparent substrate, an antireflection layer, and a plurality of metal grid wires. The reflector surrounds the light source for reflecting the light, and has an opening for emitting the light. The transparent substrate is disposed at the opening. The antireflection layer is disposed on the transparent substrate. The metal grid wires are disposed on the antireflection layer for transmitting the light with a predetermined polarization therethrough.Type: GrantFiled: August 9, 2007Date of Patent: March 3, 2009Assignee: Hannstar Display Corp.Inventors: Wei Chou Chen, Kei Hsiung Yang
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Patent number: 7495713Abstract: A touch panel is provided. The touch panel comprises a first substrate and a second substrate facing the first substrate. A black matrix is formed on the first substrate defining a plurality of sub-pixel areas, a plurality of color filters on the sub-pixel areas. A photosensitive sensitive element is formed on the second substrate. The color filters comprise a red color filter, a green color filter, a blue color filter and a white color filter over the photosensitive element.Type: GrantFiled: August 7, 2006Date of Patent: February 24, 2009Assignee: Hannstar Display Corp.Inventors: Cheng-Yeh Tsai, Wei-Chou Chen
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Publication number: 20090015758Abstract: Polarized light-emitting device with a light source, multiple layers of first optical thin films and second optical thin films alternately stacked is disclosed. Each first optical thin film has a number of first geometric units, and each second optical thin film has a number of second geometric units. The first geometric units and the second geometric units are arranged as a secondary periodic structure on the light-emitting surface of the light source. The polarized light-emitting device is able to provide polarized light with higher brightness and polarized light of a specified polarization characteristic.Type: ApplicationFiled: September 29, 2007Publication date: January 15, 2009Inventors: Ting-Hang Pei, Wei-Chou CHEN
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Publication number: 20080246905Abstract: Input displays are provided. A representative input display comprises a first substrate, a second substrate, a liquid crystal layer, a photo sensor, a color filter, and a light-shielding element. The liquid crystal layer accommodated in a liquid crystal space is sandwiched between transparent first and second substrates, comprising a first substrate side and a second substrate side. The photo sensor overlies the first substrate side. The color filter disposed in the liquid crystal space, over the photo sensor. The color filter comprises a first opening exposing portions of the photo sensor. The light-shielding element is disposed alongside portions of a periphery of the photo sensor.Type: ApplicationFiled: April 6, 2007Publication date: October 9, 2008Applicant: HANNSTAR DISPLAY CORP.Inventors: Wei-Chou Chen, Po-Yang Chen, Kei-Hsiung Yang
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Publication number: 20080238888Abstract: An image detecting device is provided. The image detecting device includes a first shaft; a second shaft; a connecting shaft connected between the first and the second shafts; and an image detector mounted in one of the first shaft and the connecting shaft, wherein a first angle is formed between the first shaft and the connecting shaft, and a second angle is formed between the second shaft and the connecting shaft.Type: ApplicationFiled: July 27, 2007Publication date: October 2, 2008Applicant: HANNSTAR DISPLAY CORP.Inventors: Wei-Chou Chen, Kei-Hsiung Yang, Kun-Wei Lin
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Publication number: 20080205084Abstract: A polarized light source device comprises a light source, a reflector, a transparent substrate, an antireflection layer, and a plurality of metal grid wires. The reflector surrounds the light source for reflecting the light, and has an opening for emitting the light. The transparent substrate is disposed at the opening. The antireflection layer is disposed on the transparent substrate. The metal grid wires are disposed on the antireflection layer for transmitting the light with a predetermined polarization therethrough.Type: ApplicationFiled: August 9, 2007Publication date: August 28, 2008Applicant: HANNSTAR DISPLAY CORP.Inventors: Wei Chou CHEN, Kei Hsiung Yang
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Publication number: 20080129708Abstract: The present invention provides a passive optical pen for using with a display device, which comprises a handgrip for being held by a user, a reflector positioned on an end of the handgrip, and a transparent shield covering the reflector. The reflector reflects ambient light propagated from the display device toward the display device. The transparent shield keeps the reflector at a distance from the display device, and collects the ambient light.Type: ApplicationFiled: November 30, 2006Publication date: June 5, 2008Inventors: Shi-Yu Chien, Wei-Chou CHEN
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Patent number: 7358013Abstract: A method for manufacturing a reflective coding plate is provided. The method includes steps of providing a first substrate, forming a mixture layer on the first substrate, providing a second substrate on the mixture layer and thereby a sandwich structure is formed, performing an orientation process on the sandwich structure, providing a mask having a code pattern thereon on one side of the sandwich structure, exposing the side of the sandwich structure to a UV light, removing the second substrate, and removing an unreacted part of the mixture layer.Type: GrantFiled: January 27, 2005Date of Patent: April 15, 2008Assignee: Hannstar Display CorporationInventors: Wei-Chou Chen, Kei-Hsiung Yang
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Patent number: 7339637Abstract: A light source device includes a housing, a reflecting plate, at least one lamp support member and a plurality of lamps. The housing has a substantially flat bottom plate. The reflecting plate is disposed on the bottom plate of the housing. The lamp support member is disposed on the reflecting plate for forming an opening. The lamps are disposed in the opening and directly mounted by the lamp support member.Type: GrantFiled: August 13, 2004Date of Patent: March 4, 2008Assignee: Hannstar Display Corp.Inventors: Wei Chou Chen, Mei Hui Lin
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Publication number: 20080036951Abstract: An input display and fabrication method thereof. The input display comprises a black matrix on a first substrate defining a plurality of sub-pixel areas, a plurality of color filters on the sub-pixel areas, a plurality of light sensitive elements on a second substrate facing the first substrate, a plurality of convex lenses, wherein a central axis of the convex lens is substantially aligned with the light sensitive element, and a liquid crystal layer disposed between the first substrate and the second substrate. The convex lenses converge more light on the light sensitive elements, enhancing sensitivity of the input display.Type: ApplicationFiled: August 14, 2006Publication date: February 14, 2008Applicant: HANNSTAR DISPLAY CORP.Inventors: Cheng-Yeh Tsai, Wei-Chou Chen, Po-Yang Chen
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Publication number: 20080036926Abstract: The present invention provides a touch panel and a liquid crystal display. The liquid crystal display includes a panel, a plurality of reflective coding patterns printed on the panel, and a polarizing plate positioned on the panel, wherein the reflective coding patterns include a plurality of cholesteric liquid crystal molecules having a pitch length and a index of refraction, and the pitch length multiplied by the index of refraction is within a range of an infrared ray wavelength.Type: ApplicationFiled: March 29, 2007Publication date: February 14, 2008Applicant: Hannstar Display CorporationInventors: Wei-Chou Chen, Kei-Hsiung Yang
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Publication number: 20080030633Abstract: A touch panel is provided. The touch panel comprises a first substrate and a second substrate facing the first substrate. A black matrix is formed on the first substrate defining a plurality of sub-pixel areas, a plurality of color filters on the sub-pixel areas. A photosensitive sensitive element is formed on the second substrate. The color filters comprise a red color filter, a green color filter, a blue color filter and a white color filter over the photosensitive element.Type: ApplicationFiled: August 7, 2006Publication date: February 7, 2008Applicant: HANNSTAR DISPLAY CORP.Inventors: Cheng-Yeh Tsai, Wei-Chou Chen
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Patent number: 7325961Abstract: A polarized light source, has an illuminant for generating light having a transparent tube which is filled with mercury vapor and which has a fluorescent material disposed thereon; a reflective film surrounding the illuminant and having an opening for emitting the light; and a plurality of metal grid wires disposed at the opening for transmitting the light with a predetermined polarization therethrough; wherein the reflective film and the metal grid wires are disposed on the transparent tube.Type: GrantFiled: August 2, 2006Date of Patent: February 5, 2008Assignee: Hannstar Display Corp.Inventors: Wei Chou Chen, Kei Hsiung Yang
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Patent number: 7323718Abstract: A readout pixel of an input display is provided. The readout pixel includes the fundamental elements as the normal pixel, and further includes a photo sensing element with a second switching element and a third switching element for generating a photo signal. The second switching element includes a second gate electrode connecting to a gate line, a second drain electrode, and a second source electrode connecting to a readout line. The third switching element includes a third gate electrode and a third drain electrode both connecting to a reference voltage, and a third source electrode connecting to the second drain electrode.Type: GrantFiled: May 2, 2006Date of Patent: January 29, 2008Assignee: Hannstar Display CorporationInventors: Po-Yang Chen, Po-Sheng Shih, Wei-Chou Chen, Kei-Hsiung Yang