Patents Assigned to Himax Display, Inc.
  • Patent number: 8416373
    Abstract: A display device and a method for manufacturing the display device are provided. The display device includes a substrate and a color filter layer. A plurality of sub-pixel electrodes are formed on the substrate. The color filter layer is configured on the substrate. The color filter layer defines a plurality of color areas corresponding to the sub-pixel electrodes. Here, each of the color areas is partially overlapped with two of the sub-pixel electrodes adjacent to each other.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: April 9, 2013
    Assignee: Himax Display, Inc.
    Inventors: Yuet-Wing Li, Chien-Tang Wang, Kuan-Hsu Fan-Chiang
  • Patent number: 8405801
    Abstract: A reflective liquid crystal panel including a first substrate, a first alignment layer, a second substrate, a second alignment layer, a liquid crystal layer and a reflection layer is provided. The first alignment layer disposed on the first substrate has a first alignment direction. The second substrate is opposite to first substrate. The second alignment disposed on the second substrate has a second alignment direction, wherein an included angle between the first alignment direction and the second alignment direction is substantially between 68 degrees and 85 degrees. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment layer and the second alignment layer align the liquid crystal so that the liquid crystal layer has a twisted angle, wherein the twisted angle and the included angle are substantially the same. The reflection layer is disposed between the second alignment layer and the second substrate.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: March 26, 2013
    Assignee: Himax Display, Inc.
    Inventors: Yuet Wing Li, Kuan-Hsu Fan-Chiang
  • Publication number: 20120256217
    Abstract: A light-emitting diode (LED) package including a substrate, an LED chip, a polarizer, and a supporter is provided. The LED chip is disposed on the substrate. The polarizer is disposed above the LED chip. The supporter is disposed on the substrate for supporting the polarizer.
    Type: Application
    Filed: October 14, 2011
    Publication date: October 11, 2012
    Applicants: HIMAX TECHNOLOGIES LIMITED, HIMAX DISPLAY, INC.
    Inventors: Yuet-Wing Li, Kuan-Hsu Fan-Chiang, Sin-Hua Ho
  • Publication number: 20120257149
    Abstract: A display device and a method for manufacturing the display device are provided. The display device includes a substrate and a color filter layer. A plurality of sub-pixel electrodes are formed on the substrate. The color filter layer is configured on the substrate. The color filter layer defines a plurality of color areas corresponding to the sub-pixel electrodes. Here, each of the color areas is partially overlapped with two of the sub-pixel electrodes adjacent to each other.
    Type: Application
    Filed: July 28, 2011
    Publication date: October 11, 2012
    Applicant: HIMAX DISPLAY, INC.
    Inventors: Yuet-Wing Li, Chien-Tang Wang, Kuan-Hsu Fan-Chiang
  • Patent number: 8284354
    Abstract: A liquid crystal on silicon (LCOS) display panel and an electronic device using the same are provided. The electronic device comprises the LCOS display panel and a circuit board. The LCOS display panel comprises a silicon substrate, a transparent substrate and a liquid crystal layer. The transparent substrate has a base plate and a mask layer. The circuit board is electrically connected to the display panel. The transparent substrate is disposed opposite to the silicon substrate, and the liquid crystal layer is positioned between the silicon substrate and the transparent substrate. The base plate has a first surface and a second surface opposite to the first surface that faces the silicon substrate. The mask layer is disposed on the second surface and has at least one opening to form at least one light-transmitting region and one light-blocking region, and the light-transmitting region is a displaying region of the transparent substrate.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: October 9, 2012
    Assignee: Himax Display, Inc.
    Inventors: Yin-Hsie Chang, Chun-Hao Su, Bing-Jei Liao
  • Patent number: 8281059
    Abstract: An electronic device with a projection functionality includes: a universal serial bus (USB) port, a processing circuit, a storage, a storage controller and a display circuit. The USB port receives USB packets carrying a first pixel data. The processing circuit is coupled to the USB port, and converts the received USB packets into the first pixel data. The storage controller is coupled between the processing circuit and the storage, and stores the first pixel data into the storage. The display circuit is coupled to the storage controller, and generates a display driving signal according to the first pixel data stored in the storage.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: October 2, 2012
    Assignee: Himax Display, Inc.
    Inventors: Chin-Jung Chen, Yung-Yuan Ho, Chia-Cheng Lai
  • Patent number: 8256903
    Abstract: An optical system and a projector utilizing the optical system can prevent tilted projection, hence ensuring that keystone distortion will not occur. The inventive optical system includes a lens group and a reflection layer. The lens group has a plurality of lens elements, and is utilized for guiding an input light beam. A shape of each of lens elements is substantially identical to a shape of a half of a rotationally symmetrical lens. The reflection layer is disposed under the lens group, and utilized for reflecting an incident light beam. As a result, the optical system is configured for guiding the output light beam derived from the input light beam to be projected onto an area substantially higher than a common line.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: September 4, 2012
    Assignee: Himax Display, Inc.
    Inventors: Li Tan, Hoi-Sing Kwok
  • Publication number: 20120133681
    Abstract: A gamma correction method adapted for a liquid crystal display panel is provided. The gamma correction method includes the following steps. A reference gamma curve is provided. The LCD panel is lighted up with at least one of primary-color frames. Gamma voltages of the primary-color frame are set for the LCD panel based on the reference gamma curve to obtain at least one primary-color gamma curve. The gamma correction is performed on the LCD panel based on the at least one primary-color gamma curve or a linear combination curve of the at least one primary-color gamma curve. By using the gamma correction method, the LCD panel could be allowed to provide good image quality.
    Type: Application
    Filed: July 20, 2011
    Publication date: May 31, 2012
    Applicant: HIMAX DISPLAY, INC.
    Inventors: Sheng-Jen Hsiao, Chia-Lin Wu
  • Publication number: 20120120355
    Abstract: A structure of a reflective display panel including a silicon substrate, a liquid crystal layer and a stacked compensation film layer is provided. The liquid crystal layer disposed on the silicon substrate has a first phase retardation which is within a first retardation range. The stacked compensation film layer disposed on the liquid crystal layer has a second phase retardation which is within a second retardation range. The stacked compensation film layer is selected according to an optical characteristic of the liquid crystal layer so as to increase a contrast of the reflective display panel.
    Type: Application
    Filed: November 12, 2010
    Publication date: May 17, 2012
    Applicant: HIMAX DISPLAY, INC.
    Inventors: YUET WING LI, KUAN-HSU FAN-CHIANG, CHIEN-LIANG WU
  • Publication number: 20120120084
    Abstract: A color filter arrangement for a display panel is provided. The display panel includes a first pixel and a second pixel. The first pixel includes a plurality of first sub-pixels with different colors. The second pixel includes a plurality of second sub-pixels with different colors. A first edge sub-pixel of the first sub-pixels is adjacent to (neighbor on) a second edge sub-pixel of the second sub-pixels. The first edge sub-pixel and the second edge sub-pixel have a same color.
    Type: Application
    Filed: November 12, 2010
    Publication date: May 17, 2012
    Applicant: Himax Display, Inc.
    Inventors: Yuet Wing Li, Kuan-Hsu Fan-Chiang, Chien-Tang Wang
  • Patent number: 8179486
    Abstract: A structure and layout of the pixel unit cell of a display panel. The pixel capacitor of the pixel unit cell includes a bottom plate and an overlying top plate. The bottom plate is adjacent to a bulk region without having substantive separating distance therebetween, thereby substantially increasing the size of the overlapped area and the associated the effective capacitance of the bottom plate and the top plate.
    Type: Grant
    Filed: July 4, 2008
    Date of Patent: May 15, 2012
    Assignee: Himax Display, Inc.
    Inventors: Kun-Yen Shieh, Shou-Cheng Chen
  • Patent number: 8170325
    Abstract: An image inspecting device is adapted to inspect the difference value between the locations of first and second images. The image inspecting device includes an image catching unit and a light processing unit. The light processing unit is adapted to project the first and second images on the image catching unit.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: May 1, 2012
    Assignee: Himax Display, Inc.
    Inventor: Shu Mei Tsan
  • Patent number: 8164716
    Abstract: A polarization beam splitter (PBS) includes a first prism, a second prism, an alignment layer, and a cholesteric liquid crystal (CLC) layer. The first prism has two first surfaces adjacent to each other and a first slanted surface that forms a first included angle with the two first surfaces, respectively. The second prism has two second surfaces adjacent to each other and a second slanted surface that forms a second included angle with the two second surfaces, respectively. The second slanted surface is opposite to the first slanted surface. The alignment layer is disposed on the first slanted surface of the first prism. The CLC layer is disposed between the alignment layer and the second slanted surface of the second prism.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: April 24, 2012
    Assignee: Himax Display, Inc.
    Inventors: Chien-Tang Wang, Kuan-Hsu Fan-Chiang, Yen-Chen Chen
  • Patent number: 8145813
    Abstract: An electronic device includes: a first output port, a processing circuit and a bridge circuit. The first output port is configured for connecting a connector with a connector type complying with a specific signal transmission standard. The processing circuit is utilized for processing an input data to generate an output data. The bridge circuit is coupled between the processing circuit and the first output port, and utilized for receiving the output data generated from the processing circuit, converting the output data into an output signal which has a physical layer compliant with the specific signal transmission standard and a protocol layer different from the specific signal transmission standard, and then outputting the output signal to the first output port.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: March 27, 2012
    Assignees: Himax Display, Inc., Himax Technologies Limited
    Inventors: Yung-Yuan Ho, Yen-Chen Chen, Pao-Wang Liao
  • Publication number: 20120062263
    Abstract: A test method of a liquid crystal display panel is provided. The liquid crystal display panel includes a plurality of pixels and a testing pad. The pixels are disposed at intersections between a first, a second, and a third data lines and a plurality of scan lines. In the test method, each of the scan lines is driven to connect liquid crystal capacitors of the pixels to the first, the second, and the third data lines. A first and a second test voltages are respectively supplied to the first and the second data lines, wherein the first test voltage is not equal to the second test voltage. The first data line is floated. The floated first data line is measured through the testing pad to determine whether the liquid crystal capacitors of the pixels electrically connected to the first and the second data lines are electrically connected with each other.
    Type: Application
    Filed: September 9, 2010
    Publication date: March 15, 2012
    Applicant: Himax Display, Inc.
    Inventors: Wei-Ting Lan, Cheng-Chi Yen, Ju-Tien Cheng
  • Publication number: 20120062849
    Abstract: A projection apparatus including an illumination unit, a brightness detection circuit, a signal conversion circuit, and a control unit is provided. The illumination unit generates a light source according to a plurality of driving signals and provides a temperature sensing signal according to the temperature of the light source. The brightness detection circuit generates a plurality of brightness sensing signals. The signal conversion circuit converts the temperature sensing signal and the brightness sensing signals into temperature information and a plurality of brightness information. The control unit comprises a setting table for storing a predetermined temperature information and a plurality of predetermined brightness information, and the control unit adjusts the driving signals in order to identify the converted temperature information and the converted brightness information conform to the stored information in the setting table.
    Type: Application
    Filed: September 10, 2010
    Publication date: March 15, 2012
    Applicant: HIMAX DISPLAY, INC.
    Inventors: Chia-Chun Kuo, Chia-Cheng Lai, Chih-Hung Yang, Ming-Cheng Chiu
  • Publication number: 20120019565
    Abstract: A method for driving a reflective LCD panel is provided. The driving method includes following steps: the reflective LCD panel is driven by a driving signal with alternate positive and negative polarities, wherein the driving signal has positive polarity for a first driving duration and the driving signal has negative polarity for a second driving duration; a color beam is provided to irradiate the reflective LCD panel during a partial time period of the first driving duration; and the color beam is provided to irradiate the reflective LCD panel during a partial time period of the second driving duration.
    Type: Application
    Filed: January 14, 2011
    Publication date: January 26, 2012
    Applicant: HIMAX DISPLAY, INC.
    Inventors: Yuet-Wing Li, Chien-Liang Wu, Kuan-Hsu Fan-Chiang
  • Publication number: 20120007901
    Abstract: A pixel circuitry of a display device is provided to make a voltage level transmitted to a display element be close to a voltage level of a received data voltage, such that the pixel circuitry faithfully transmits the data voltage to the display element. The pixel circuitry of a display device includes a first write switch, a first write memory unit, a first voltage following module, and a display element. The first voltage following module is to detect a first data voltage stored in the first write memory unit, and to generate a corresponding first output voltage at a terminal of the display element based on a detection result. A first output terminal of the first voltage following module is controlled by a switching voltage.
    Type: Application
    Filed: July 7, 2010
    Publication date: January 12, 2012
    Applicant: HIMAX DISPLAY, INC.
    Inventors: Cheng-Chi Yen, Wei-Ting Lan, Hon-Yuan Leo
  • Publication number: 20120007849
    Abstract: A display, a pixel circuitry and an operating method of the pixel circuitry are provided. The display includes a source driver and a pixel circuitry. The source driver converts a first pixel data to a first polarity data voltage and a second polarity data voltage during a first frame period and converts a second pixel data to a third polarity data voltage and a fourth polarity data voltage during a second frame period. The pixel circuitry is coupled to the source driver. The pixel circuitry stores the first polarity data voltage and the second polarity data voltage during the first frame period, displays the first polarity data voltage and the second polarity data voltage during a first sub-period and a second sub-period of the second frame period respectively, and stores the third polarity data voltage and the fourth polarity data voltage during the second frame period.
    Type: Application
    Filed: July 7, 2010
    Publication date: January 12, 2012
    Applicant: HIMAX DISPLAY, INC.
    Inventors: Ying-Jhong Tseng, Ming-Cheng Chiu
  • Publication number: 20110316890
    Abstract: A display and a real-time automatic white balance method thereof are provided. The display includes a first color light source and a second color light source. The real-time automatic white balance method includes following steps. A first target luminance of the first color light source and a second target luminance of the second color light source are provided. A luminance of the first color light source is detected to obtain a first current luminance. A second current luminance of the second color light source is calculated according to a ratio of the first target luminance to the first current luminance and the second target luminance. A luminance of the second color light source is adjusted according to the second current luminance.
    Type: Application
    Filed: November 17, 2010
    Publication date: December 29, 2011
    Applicant: Himax Display, Inc.
    Inventors: Chin-Jung Chen, Chia-Cheng Lai, Yuet-Wing Li, Ming-Cheng Chiu