Patents Assigned to Himax Display, Inc.
  • Patent number: 9500857
    Abstract: A microelectromechanical system (MEMS) device includes a substrate and at least one MEMS unit disposed on the substrate. The MEMS unit includes at least one first electrode, at least one second electrode, at least one landing element, and a hinge layer. The first electrode is disposed on the substrate. The second electrode is disposed on the substrate. The landing element is disposed on the substrate. The hinge layer includes a hinge portion and at least one cantilever portion. The hinge portion is connected to the second electrode. The cantilever portion is connected to the hinge portion. The cantilever portion has a first opening and at least one spring disposed in the first opening and connected to at least one side of the first opening. When a voltage difference exists between the first electrode and the second electrode, the hinge portion is distorted and the spring thus touches the landing element.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: November 22, 2016
    Assignee: Himax Display, Inc.
    Inventors: Hui-Lun Chen, Wei-Hsiao Chen, Chien-Tang Wang, Nan Liu, Roland V. Gelder, Chun-Hao Su
  • Publication number: 20160327722
    Abstract: A wearable display apparatus includes a reflective light modulator having a front, a light guide plate placed at the front of the light modulator, a plurality of monochromatic light sources of different colors, and an optical assembly. The light guide plate has a first and a second major surface opposite to each other, and a light incidence surface connected with the first and second major surfaces, the light guide plate directing light received at the light incidence surface through the first major surface toward the light modulator. The monochromatic light sources are operable to emit light of different colors in a sequential manner. The optical assembly is arranged adjacent to the light incidence surface of the light guide plate, and is configured to homogenize and distribute the light emitted by each of the monochromatic light sources across the light incidence surface.
    Type: Application
    Filed: September 11, 2015
    Publication date: November 10, 2016
    Applicant: HIMAX DISPLAY, INC.
    Inventors: Kuan-Yu CHEN, Yuet Wing LI
  • Patent number: 9409766
    Abstract: A MEMS package structure includes a base, a MEMS device, a first cover, a second cover and a glass frit. The base includes a recess. The MEMS device is disposed in the recess. The first cover is disposed in the recess and covering the MEMS device. The second cover is disposed on the base and covering the recess. The glass frit is disposed between the base and the second cover. A MEMS package structure includes the base, the MEMS device, the first cover, a second cover, a first metal frame and a first sealing medium. The first metal frame is disposed around the second cover, and the second cover and the first metal frame collectively are disposed on the base and covering the recess. The first sealing medium is disposed between the first metal frame and the base. Manufacturing methods of the MEMS package structures above are further provided.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: August 9, 2016
    Assignee: Himax Display, Inc.
    Inventors: Tung-Feng Wu, Wei-Hsiao Chen, Chun-Hao Su, Jui-Wen Chen, Mao-Chien Cheng
  • Patent number: 9359190
    Abstract: A MEMS package structure is disclosed. The MEMS package structure includes a first glass substrate on a micro-electromechanical systems (MEMS) structure, a sealant adhered between the first glass substrate and the MEMS structure; and a first moisture barrier on the sidewalls of the first glass substrate, the sealant, and the MEMS structure.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: June 7, 2016
    Assignee: Himax Display, Inc.
    Inventor: Chun-Hao Su
  • Patent number: 9341883
    Abstract: A display module is provided. A light source is configured to provide an illumination beam. A light guide plate has a first surface, a second surface opposite to the first surface, and an incident surface connecting the first surface and the second surface. The illumination beam enters the light guide plate through the incident surface. A reflective element is connected to the light guide plate and has a plurality of first reflective surfaces inclined with respect to the second surface. A reflective display unit is capable of modulating a polarization state of the illumination beam to form a modulated beam. The second surface is disposed between the reflective display unit and the first surface. The first surface is disposed between the second surface and a reflective polarizer, and the reflective polarizer filters the modulated beam into an image beam.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: May 17, 2016
    Assignee: Himax Display, Inc.
    Inventors: Yuet-Wing Li, Kuan-Yu Chen, Chi-Wen Lin
  • Publication number: 20160131898
    Abstract: A projection display apparatus includes a light source configured to emit a first light, a reflective light modulator configured to modulate the first light to form a second light conveying a rendered image, a polarizer and a light guide plate. The light guide plate can include a plurality of optical elements embedded in the thickness of the light guide plate or provided on an outer surface of the light guide plate. An illuminating light entering the light guide plate can be redirected toward the light modulator by reflection at the grooves or optical elements. Moreover, an image light from the light modulator can travel through the light guide plate to the polarizer.
    Type: Application
    Filed: November 11, 2014
    Publication date: May 12, 2016
    Applicant: Himax Display, Inc.
    Inventors: Kuan-Yu CHEN, Yuet Wing LI
  • Patent number: 9291866
    Abstract: A liquid crystal display panel including a bottom layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a top layer and a plurality of conductive connectors electrically connecting the top layer and the bottom layer is provided. Each of the plurality of conductive connectors includes conductive powders.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: March 22, 2016
    Assignee: Himax Display, Inc.
    Inventors: Wen-Hsu Chen, Hsing-Lung Wang, Yuet-Wing Li, Kuan-Hsu Fan-Chiang
  • Patent number: 9235087
    Abstract: An active matrix structure including a substrate, a plurality of active devices, and a plurality of pixel electrodes is provided. The active devices are disposed on the substrate. The pixel electrodes are respectively electrically connected to the active devices and arranged in an array. The active matrix structure has a display area, and each of the pixel electrodes has at least one slanted side inclined with respect to all sides of the display area. A liquid crystal display panel is also provided.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: January 12, 2016
    Assignee: Himax Display, Inc.
    Inventors: Yuet-Wing Li, Kuan-Hsu Fan-Chiang
  • Publication number: 20150346391
    Abstract: A method for forming an anti-stiction coating on a surface of a semiconductor device is provided. Using atomic layer deposition (ALD) processes to activate surface prior to anti-stiction coating deposition, anti-stiction coating having strong chemical bonding to the surface is obtained.
    Type: Application
    Filed: May 27, 2014
    Publication date: December 3, 2015
    Applicant: Himax Display, Inc.
    Inventor: Roland V. Gelder
  • Patent number: 9165794
    Abstract: A electronic device includes: a circuit board; a semiconductor device, disposed on the circuit board; a cover material, disposed above the semiconductor device; a plurality of bonding wires, respectively connected between a plurality of first contact pads of the semiconductor device and a plurality of second contact pads of the circuit board; a first encapsulant, formed by a first material, arranged to encapsulate a plurality of second bonds formed by electrically connecting the bonding wires to the second contact pads; and a second encapsulant, formed by a second material that is different from the first material, arranged to encapsulate a plurality of first bonds formed by electrically connecting the bonding wires to the first contact pads.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: October 20, 2015
    Assignee: Himax Display, Inc.
    Inventor: Jia-Lung Tsai
  • Publication number: 20150277167
    Abstract: A liquid crystal display panel including a bottom layer, a first alignment layer, a liquid crystal layer, a second alignment layer, a top layer and a plurality of conductive connectors electrically connecting the top layer and the bottom layer is provided. Each of the plurality of conductive connectors includes conductive powders.
    Type: Application
    Filed: March 28, 2014
    Publication date: October 1, 2015
    Applicant: Himax Display, Inc.
    Inventors: Wen-Hsu Chen, Hsing-Lung Wang, Yuet-Wing Li, Kuan-Hsu Fan-Chiang
  • Publication number: 20150264327
    Abstract: A projection device including a light source, a reflective spatial polarization modulator, a polarization grating, and a projection lens is provided. The light source is configured to provide a light beam. The reflective spatial polarization modulator is disposed on a path of the light beam and configured to reflect the light beam and modulate a polarization state of the light beam. The polarization grating is disposed on the path of the light beam between the light source and the reflective spatial polarization modulator, wherein the reflective spatial polarization modulator reflects the light beam from the reflective spatial polarization modulator back to the polarization grating. The projection lens is disposed on the path of the light beam from the reflective spatial polarization modulator, wherein the polarization grating is disposed on the path of the light beam between the reflective spatial polarization modulator and the projection lens.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 17, 2015
    Applicants: Himax Display, Inc., The Hong Kong University of Science and Technology
    Inventors: Hoi-Sing Kwok, Li Tan, Yuet-Wing Li
  • Patent number: 9102513
    Abstract: A MEMS package structure including a chip, a MEMS device, a lid, a sealant and a first moisture barrier is provided. The chip comprises an active surface. The MEMS system device is disposed on the active surface. The lid is covered on the chip and comprising a recess, wherein the MEMS device is in the recess. The sealant is disposed between the chip and the lid so as to seal the recess, wherein a thickness of the sealant is less than a height of the MEMS device. The first moisture barrier is sealed around the chip, the sealant and the lid.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: August 11, 2015
    Assignee: Himax Display, Inc.
    Inventors: Chun-Hao Su, Roland V. Gelder, Tore Nauta, Wei-Hsiao Chen
  • Publication number: 20150210538
    Abstract: A MEMS package structure including a chip, a MEMS device, a lid, a sealant and a first moisture barrier is provided. The chip comprises an active surface. The MEMS system device is disposed on the active surface. The lid is covered on the chip and comprising a recess, wherein the MEMS device is in the recess. The sealant is disposed between the chip and the lid so as to seal the recess, wherein a thickness of the sealant is less than a height of the MEMS device. The first moisture barrier is sealed around the chip, the sealant and the lid.
    Type: Application
    Filed: January 29, 2014
    Publication date: July 30, 2015
    Applicant: Himax Display, Inc.
    Inventors: Chun-Hao Su, Roland V. Gelder, Tore Nauta, Wei-Hsiao Chen
  • Publication number: 20150212357
    Abstract: A manufacturing method for a liquid crystal display panel is provided. After providing a substrate having an insulation layer thereon, a first metal composite layer is formed on the insulation layer and then patterned to form at least one first opening through the first metal composite layer. A first intermediate dielectric layer is formed within the at least one first opening and a second intermediate dielectric layer is formed on the patterned first metal composite layer. The second intermediate dielectric layer is patterned to form second openings through the second intermediate dielectric layer. A second metal composite layer is formed on the patterned second intermediate dielectric layer and then patterned to form at least one third opening. Then, a third intermediate dielectric layer is formed within the at least one third opening.
    Type: Application
    Filed: January 24, 2014
    Publication date: July 30, 2015
    Applicant: Himax Display, Inc.
    Inventors: Shun-Tai Huang, Chih-Wei Huang, Wei-Hsiao Chen
  • Patent number: 9091854
    Abstract: A micro mirror structure and a projection apparatus using the same are provided. The micro mirror structure suitable for being used in a digital micro mirror device of a projection apparatus. The micro mirror structure includes a micro mirror, a pair of main posts and a pair of landing posts. The micro mirror is configured to swing about a swinging hinge, wherein the swinging hinge is extended along a first axis parallel to a first side of the micro mirror and the length of the swinging hinge is greater than the length of the first side of the micro mirror. The main posts are respectively disposed on two opposite ends of the swinging hinge for supporting the swinging hinge and the micro mirror. The pair of landing posts are respectively disposed at two opposing sides of swinging hinge along a second axis perpendicular to the first axis.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: July 28, 2015
    Assignee: Himax Display, Inc.
    Inventors: Yuet-Wing Li, Kuan-Hsu Fan-Chiang
  • Patent number: 9017129
    Abstract: A pressing device for assembling a liquid crystal display panel is provided. The pressing device includes a base plate, a pressing plate, a first cushion and a second cushion. The pressing plate is disposed opposite to the base plate and adapted to move toward or away from the base plate. The first cushion is disposed between the base plate and the pressing plate. The second cushion is disposed between the pressing plate and the first cushion, wherein one of the first cushion and the second cushion has a hollow zone corresponding to a display area of the liquid crystal display panel. A method for assembling a liquid crystal display panel is further provided.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: April 28, 2015
    Assignee: Himax Display, Inc.
    Inventors: Wen-Hsu Chen, Kuan-Hsu Fan-Chiang, Hua-Hsin Wang, Yu-Wen Huang
  • Patent number: 8982029
    Abstract: A pixel circuitry of a display device and a display method thereof are provided herein. The pixel circuitry includes a scan switch, a storage element, and a sampling circuitry. The scan switch has a first terminal coupled to a data line and configured to be asserted according to a scan signal. The storage element is coupled to a second terminal of the scan switch and configured to store a pixel voltage from the data line. The sampling circuitry is configured to sample the stored pixel voltage of the storage element and to obtain a reference voltage for the display device according to the sampled signal. By sampling the stored pixel voltage of the storage element, whether the pixel voltages with different polarities are symmetry can be detected for avoiding flickers.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: March 17, 2015
    Assignee: Himax Display, Inc.
    Inventors: Biing-Seng Wu, Hon-Yuan Leo, Cheng-Chi Yen, Yih-Long Tseng, Yung-Yuan Ho, Yen-Chen Chen
  • Publication number: 20150065004
    Abstract: A pressing device for assembling a liquid crystal display panel is provided. The pressing device includes a base plate, a pressing plate, a first cushion and a second cushion. The pressing plate is disposed opposite to the base plate and adapted to move toward or away from the base plate. The first cushion is disposed between the base plate and the pressing plate. The second cushion is disposed between the pressing plate and the first cushion, wherein one of the first cushion and the second cushion has a hollow zone corresponding to a display area of the liquid crystal display panel. A method for assembling a liquid crystal display panel is further provided.
    Type: Application
    Filed: August 28, 2013
    Publication date: March 5, 2015
    Applicant: Himax Display, Inc.
    Inventors: Wen-Hsu Chen, Kuan-Hsu Fan-Chiang, Hua-Hsin Wang, Yu-Wen Huang
  • Patent number: 8957842
    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: Grant
    Filed: November 5, 2013
    Date of Patent: February 17, 2015
    Assignee: Himax Display, Inc.
    Inventors: Cheng-Chi Yen, Wei-Ting Lan, Hon-Yuan Leo