Patents by Inventor Mao-Jung Chung
Mao-Jung Chung 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: 10304396Abstract: An image processing method includes detecting one or more edge regions in a plurality of input image frames; detecting movement of the edge region in the input image frames to generate a movement detecting result; and generating a plurality of output image frames by selectively smoothing at least a portion of the edge region at least according to the movement detecting result.Type: GrantFiled: June 23, 2017Date of Patent: May 28, 2019Assignee: Himax Display, Inc.Inventors: Kuo-Jung Lee, Mao-Jung Chung, Yuet Wing Li, Wen-Hsu Chen
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Patent number: 10019952Abstract: The liquid crystal on silicon (LCoS) display includes a polarization beam splitter (PBS), a light source, a LCoS panel and a gain control circuit. The PBS has a first side and a second side. The light source is disposed at the first side of the PBS. The gain control circuit receives brightness values. Each of the brightness values has a coordinate which is based on a coordinate axis extending from the first side of the PBS to the second side. The coordinate of a first brightness value is less than the coordinate of a second brightness value. The gain control circuit determines gains according to the coordinates, and adjusting the brightness values according to the gains, in which the gain of the first brightness value is less than the gain of the second brightness value.Type: GrantFiled: July 15, 2016Date of Patent: July 10, 2018Assignee: Himax Display, Inc.Inventors: Kuo-Jung Li, Mao-Jung Chung
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Publication number: 20180122317Abstract: An image processing method includes detecting one or more edge regions in a plurality of input image frames; detecting movement of the edge region in the input image frames to generate a movement detecting result; and generating a plurality of output image frames by selectively smoothing at least a portion of the edge region at least according to the movement detecting result.Type: ApplicationFiled: June 23, 2017Publication date: May 3, 2018Inventors: Kuo-Jung Lee, Mao-Jung Chung, Yuet Wing LI, Wen-Hsu Chen
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Publication number: 20180096641Abstract: A Gamma improvement method includes: setting a group of primary colors to fit a first Gamma level, wherein the group of primary colors comprises red, green and blue; receiving a pixel value; and adjusting the pixel value to generate an adjusted pixel value; wherein a white component of the adjusted pixel value fits a second Gamma level according to a lookup table.Type: ApplicationFiled: September 30, 2016Publication date: April 5, 2018Inventors: Kuo-Jung Lee, Mao-Jung Chung
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Publication number: 20180018925Abstract: The liquid crystal on silicon (LCoS) display includes a polarization beam splitter (PBS), a light source, a LCoS panel and a gain control circuit. The PBS has a first side and a second side. The light source is disposed at the first side of the PBS. The gain control circuit receives brightness values. Each of the brightness values has a coordinate which is based on a coordinate axis extending from the first side of the PBS to the second side. The coordinate of a first brightness value is less than the coordinate of a second brightness value. The gain control circuit determines gains according to the coordinates, and adjusting the brightness values according to the gains, in which the gain of the first brightness value is less than the gain of the second brightness value.Type: ApplicationFiled: July 15, 2016Publication date: January 18, 2018Inventors: Kuo-Jung LI, Mao-Jung CHUNG
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Patent number: 9706182Abstract: A projection apparatus and a projection method of the projection apparatus are provided. A control unit adjusts a grayscale characteristic of a light valve according to a temperature of the light valve, so as to improve a contrast and grayscale accuracy of a screen image.Type: GrantFiled: May 31, 2016Date of Patent: July 11, 2017Assignees: HIMAX DISPLAY, INC, HIMAX TECHNOLOGIES LIMITEDInventors: Chi-Wen Lin, Kuan-Hsu Fan-Chiang, Yuet-Wing Li, Mao-Jung Chung, Kuan-Chung Huang
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Publication number: 20130120359Abstract: A method for controlling synchronization of a 3D shutter glasses adapted to a system for controlling synchronization of the 3D shutter glasses is provided. The method includes the following steps. A plurality of synchronous images of a 3D image projected on a screen are sensed by an image sensor of the shutter glasses. The 3D image includes a plurality of left images and right images and the synchronous images. The left images and the right images are respectively synchronized with a left-eye liquid crystal shutter and a right-eye liquid crystal shutter of the 3D shutter glasses based on the sensing result when the left-eye liquid crystal shutter and the right-eye liquid crystal shutter are respectively turned on. Furthermore, a system for controlling synchronization of the 3D shutter glasses using this method is also provided.Type: ApplicationFiled: November 14, 2011Publication date: May 16, 2013Applicant: HIMAX DISPLAY, INC.Inventors: Mao-Jung Chung, Shwang-Shi Bai, Kuo-Jung Li, Chien-Jung Chen, I-Sheng Lin
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Publication number: 20090213102Abstract: During booting of a display panel and a light source, low power supply for electronic circuits is provided to the display panel. Then, the display panel is set by R/W commands. Then, high power supply for liquid crystal transition is provided to the display panel. Then, the display panel is discharged for removing residual electronic charges. Then, the light source is turned on for emitting light to the display panel. On the contrary, during shut down, the light source is turned off and then the display panel is discharged. Then, application of high power supply is stopped. Then, the display panel is set by R/W commands. Then, application of low power supply is stopped.Type: ApplicationFiled: February 25, 2008Publication date: August 27, 2009Applicant: HIMAX DISPLAY, INC.Inventors: Mao-Jung Chung, Yu-Shen Kung, Chin-Cheng Liu
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Publication number: 20090213055Abstract: Provided is a display device capable of brightness adjustment by adjusting gamma curves thereof, without adjusting brightness of input video signals. The display device includes a memory unit, storing a plurality of gamma reference voltage value sets in accordance with a plurality of gamma curves; a microprocessor, for selecting one of the gamma reference voltage value sets stored in the memory unit; a gamma voltage generator, for generating a plurality of gamma reference voltages in response to the selected gamma reference voltage value set from the microprocessor; a data converter, for converting input video signals into video voltages in response to the gamma reference voltages provided from the gamma voltage generator; and a display panel, for displaying images in response to the video voltages from the data converter.Type: ApplicationFiled: February 25, 2008Publication date: August 27, 2009Applicant: HIMAX DISPLAY, INC.Inventors: Mao-Jung Chung, Yu-Shen Kung, Chin-Cheng Liu
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Publication number: 20080309840Abstract: A pixel element and a liquid crystal display with discharge function are disclosed. In each of the pixel elements of the liquid crystal display, a transistor is disposed between the common electrode and the pixel electrode. The transistor will be turned on by a discharge signal sent from the master control unit of the liquid crystal display when the liquid crystal display is turned on or turned off, so as to provide the same common voltage to both the common electrode and the pixel electrode. Therefore, the positive and negative charges accumulated in the common electrode and the pixel electrode can be removed and the liquid crystal display is well protected.Type: ApplicationFiled: June 15, 2007Publication date: December 18, 2008Applicants: HIMAX TECHNOLOGIES INC., HIMAX DISPLAY, INC.Inventors: Cheng-Chi Yen, Chien-Jung Chen, Yung-Yuan Ho, Mao-Jung Chung, Jiunn-Yau Huang
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Patent number: 7456813Abstract: A liquid crystal display (LCD) includes a plurality of pixels, a source driver and a gate driver, each pixel comprising a transistor, a storage capacitor, a pixel electrode, a common electrode coupled to a common voltage, and liquid crystal molecules located between the pixel electrode and the common electrode, the transistor conducting a grey-scale signal generated by the gate driver to the pixel electrode based on a scan voltage generated by the gate driver, the LCD being characterized in that a substrate electrode of the transistor is coupled to a first voltage, and the storage capacitor is coupled to a substrate voltage and the transistor. The common voltage is positive proportional to the substrate voltage.Type: GrantFiled: February 15, 2005Date of Patent: November 25, 2008Assignee: Himax Technologies LimitedInventors: Hon-Yuan Leo, Mao-Jung Chung, Yung-Yuan Ho, Yen-Chen Chen
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Publication number: 20060050035Abstract: A liquid crystal display (LCD) includes a plurality of pixels, a source driver and a gate driver, each pixel comprising a transistor, a storage capacitor, a pixel electrode, a common electrode coupled to a common voltage, and liquid crystal molecules located between the pixel electrode and the common electrode, the transistor conducting a grey-scale signal generated by the gate driver to the pixel electrode based on a scan voltage generated by the gate driver, the LCD being characterized in that a substrate electrode of the transistor is coupled to a first voltage, and the storage capacitor is coupled to a substrate voltage and the transistor. The common voltage is positive proportional to the substrate voltage.Type: ApplicationFiled: February 15, 2005Publication date: March 9, 2006Inventors: Hon-Yuan LEO, Mao-Jung CHUNG, Yung-Yuan HO, Yen-Chen CHEN
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Patent number: 6860778Abstract: A structure and a method of manufacturing the organic electroluminescent (EL) elements, patterns of icons on the display panel of organic EL elements are formed. Initially, ramparts are formed on a continuous surface of a transparent and conductive film, i.e. an indium-tin oxide (ITO) film, and ramparts determine patterns of icons, then organic function layers and electrodes are formed. Processes are compatible to a conventional method of manufacturing an array type display panel, to improve disadvantages of dividing processes of array type display panels and organic EL elements into two portions.Type: GrantFiled: September 5, 2003Date of Patent: March 1, 2005Assignee: Kyocera CorporationInventors: Chia-Tin Chung, Mao-Jung Chung, Yao-Hui Lee, Hong-Ru Guo
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Publication number: 20040048545Abstract: A structure and a method of manufacturing the organic electroluminescent (EL) elements, patterns of icons on the display panel of organic EL elements are formed. Initially, ramparts are formed on a continuous surface of a transparent and conductive film, i.e. an indium-tin oxide (ITO) film, and ramparts determine patterns of icons, then organic function layers and electrodes are formed. Processes are compatible to a conventional method of manufacturing an array type display panel, to improve disadvantages of dividing processes of array type display panels and organic EL elements into two portions.Type: ApplicationFiled: September 5, 2003Publication date: March 11, 2004Inventors: Chia-Tin Chung, Mao-Jung Chung, Yao-Hui Lee, Hong-Ru Guo
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Patent number: 6628069Abstract: A structure and a method of manufacturing the organic electroluminescent (EL) elements, patterns of icons on the display panel of organic EL elements are formed. Initially, ramparts are formed on a continuous surface of a transparent and conductive film, i.e. an indium-tin oxide (ITO) film, and ramparts determine patterns of icons, then organic function layers and electrodes are formed. Processes are compatible to a conventional method of manufacturing an array type display panel, to improve disadvantages of dividing processes of array type display panels and organic EL elements into two portions.Type: GrantFiled: March 23, 2001Date of Patent: September 30, 2003Assignee: Chi Mei Optoelectronics Corp.Inventors: Chia-Tin Chung, Mao-Jung Chung, Yao-Hui Lee, Hong-Ru Guo
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Publication number: 20020089280Abstract: A structure and a method of manufacturing the organic electroluminescent (EL) elements, patterns of icons on the display panel of organic EL elements are formed. Initially, ramparts are formed on a continuous surface of a transparent and conductive film, i.e. an indium-tin oxide (ITO) film, and ramparts determine patterns of icons, then organic function layers and electrodes are formed. Processes are compatible to a conventional method of manufacturing an array type display panel, to improve disadvantages of dividing processes of array type display panels and organic EL elements into two portions.Type: ApplicationFiled: March 23, 2001Publication date: July 11, 2002Inventors: Chia-Tin Chung, Mao-Jung Chung, Yao-Hui Lee, Hong-Ru Guo