Patents by Inventor Chang AN

Chang AN 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).

  • Patent number: 9568663
    Abstract: A light guide plate including a first substrate, a second substrate opposite to the first substrate, a plurality of first microstructures, a plurality of second microstructures, and a plurality of third microstructures is provided. The first substrate has a light emitting surface, a first bottom surface, and a light incidence surface. The second substrate has a top surface and a second bottom surface. The top surface is located between the first substrate and the second bottom surface. The first microstructures and the second microstructures are disposed on the light emitting surface and the second bottom surface respectively and extend along a first direction parallel to the light incidence surface respectively. The third microstructures are connected between the first bottom surface and the top surface and extend along a second direction perpendicular to the light incidence surface respectively. A light source module is also provided.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: February 14, 2017
    Assignee: Winbond Electronics Corp.
    Inventors: Jui-Wen Pan, Che-Wen Chiang, Chang-Yi Li, Yung-Chih Huang
  • Patent number: 9569017
    Abstract: The present invention provides a processing device, which includes a plurality of digital demodulators and an information transmitting module. Each of the digital demodulators is configured to generate in-phase and quadrature signal information corresponding to a frequency. The information transmitting module is configured to receive, process, and transmit the in-phase and quadrature signal information.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: February 14, 2017
    Assignee: EGALAX_EMPIA TECHNOLOGY INC.
    Inventor: Chin-Fu Chang
  • Patent number: 9570526
    Abstract: An organic light emitting display device and a method for manufacturing the organic light emitting display device, which includes a light emitting region and a non-light emitting region, and having an organic light emitting element including first and second electrodes disposed in the light emitting region and an organic emission layer formed between the two electrodes, a driving voltage supply line disposed in the non-light emitting region and providing a driving voltage to the first and second electrodes, and a contact part disposed in the non-light emitting region and disposed to be in contact with the first electrode to supply the driving voltage provided from the driving voltage supply line to the first electrode, wherein the contact part is formed as multiple layers patterned such that a second conductive layer covers a first conductive layer.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong-Hwan Kim, Seong-Kweon Heo, Jong-Hyun Park, Chang-ho Lee
  • Patent number: 9568773
    Abstract: A pixel structure is provided. The pixel structure includes a control device, a main pixel electrode, and a sub pixel electrode. The main pixel electrode is electrically connected to the control device, and the main pixel electrode has a plurality of main pixel slits where the width thereof is S. The sub pixel electrode is electrically connected to the control device, and the sub pixel electrode has a first electrode pattern and a second electrode pattern. The first electrode pattern has a plurality of first slits where the width S1 thereof is equal to or greater than the width S of the main pixel slits. The second electrode pattern has no slits or has a plurality of second slits where the width S2 thereof is less than the width S of the main pixel slits. A pixel array including the pixel structure is also provided.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: February 14, 2017
    Assignee: Au Optronics Corporation
    Inventors: Chih-Chang Shih, Shin-mei Gong, Shu-En Li, Kun-Cheng Tien, Chien-Huang Liao
  • Patent number: 9568645
    Abstract: The invention provides silicone hydrogel ophthalmic lenses (in particular contact lenses) having relatively-long thermal stability and methods for making such ophthalmic lenses.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: February 14, 2017
    Assignee: Novartis AG
    Inventors: Frank Chang, Jinyu Huang, Ryan DeSousa
  • Patent number: 9570285
    Abstract: Provided is a cleaning solution and its applications. The cleaning solution comprises a mixture of a basic chemical compound and a solvent solution. In some embodiments, the basic chemical compound is tetramethylammonium hydroxide (TMAH) and the solvent solution includes a solution of water and at least one of propylene glycol ethyl ether (PGEE), propylene glycol monomethylether (PGME), and propylene glycol monomethylether acetate (PGMEA). The cleaning solution is effective in removing silicon-containing material off a surface of a system or a surface of a semiconductor substrate. In some embodiments, the system comprises a pipeline for delivering the silicon-containing material in semiconductor spin-coating processes. In some embodiments, the system comprises a drain for collecting waste fluid in semiconductor spin-coating processes.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: February 14, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Yu Liu, Ching-Yu Chang
  • Patent number: 9567479
    Abstract: The present invention relates to a hard coating film, and, more particularly, to a hard coating film having hardness and excellent physical properties. According to the present invention, the hard coating film has high physical properties including hardness, scratch resistance, transparency, durability, light resistance, and light transmittance. Thus, the hard coating film can find useful applications in various fields thanks to its excellent physical properties.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: February 14, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Joon-Koo Kang, Eun-Kyu Her, Soon-Hwa Jung, Yeong-Rae Chang, Hyeok Jeong
  • Patent number: 9570710
    Abstract: An organic light-emitting display apparatus, including a substrate; a first reflective layer, a second reflective layer, and a third reflective layer that are separately disposed on the substrate; a first insulating layer on the first reflective layer, but not on the second reflective layer and the third reflective layer; a second insulating layer on the first insulating layer and the second reflective layer, but not on the third reflective layer; and a first pixel electrode for red emission on the second insulating layer and corresponding to the first reflective layer, a second pixel electrode for green emission on the second insulating layer and corresponding to the second reflective layer, and a third pixel electrode for blue emission on the third reflective layer.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaehwan Oh, Jaebeom Choi, Sehun Park, Yongduck Son, Jiyoun Lee, Youngjin Chang
  • Patent number: 9568376
    Abstract: A temperature detecting circuit and method thereof, adapted to a voltage converter circuit which includes a current detecting circuit having a detecting output port outputting a current detecting signal proportional to an output current of the voltage converter circuit, includes: a current signal processing unit, having a signal input port coupling to the detecting output port, a first detecting output port generating a first processing signal with a first temperature coefficient, a second detecting output port generating a second processing signal with a second temperature coefficient, wherein the first and the second processing signals are proportional to the current detecting signal; and, a temperature calculating unit, receiving the first and the second processing signals and performing calculation to derive a temperature value.
    Type: Grant
    Filed: March 1, 2014
    Date of Patent: February 14, 2017
    Assignee: RICHTEK TECHNOLOGY CORP
    Inventors: Sheng-Fu Hsiao, Hung-Shou Nien, Kuang-Feng Li, Yu-Wei Chang
  • Patent number: 9568957
    Abstract: An electronic device is provided, which includes a display module, a computer module, and a frame. The display module includes a first magnetic element. The computer module includes a second magnetic element. A magnetic attraction element is positioned corresponding to the first and the second magnetic elements and is movably disposed in the frame. A magnetic force produced between the magnetic attraction element and the second magnetic element is varied according to the positioning angle of the supporting frame relative to the computer module. When the positioning angle is greater than a threshold value, the magnetic force is large enough to attract the magnetic attraction element so as to release the display module to move relative to the frame.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: February 14, 2017
    Assignee: ACER INCORPORATED
    Inventor: Kuan-Chang Huang
  • Patent number: 9568790
    Abstract: A liquid crystal display includes: a first substrate; a gate line and a common voltage line that are on the first substrate; a gate insulating layer on the gate line and the common voltage line; a semiconductor layer on the gate insulating layer; a data line and a drain electrode that are on the semiconductor layer; a pixel electrode on the data line and the drain electrode; a passivation layer on the pixel electrode; a common electrode on the passivation layer; a second substrate; and a liquid crystal layer interposed between the first and second substrates. The pixel electrode contacts the drain electrode via a first contact hole, the common electrode contacts the common voltage line via a second contact hole in the gate insulating layer and the passivation layer, and the first and second contact holes are adjacently disposed in a thin film transistor forming region.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun Heo, Bong-Jun Lee, Dong Wuuk Seo, Jong Woong Chang
  • Patent number: 9566410
    Abstract: A sleep aid system and an operation method thereof are disclosed. The sleep aid system includes a sleep aid device including a retrieving module, a processing module, and a transmitting module, and a server. The retrieving module retrieves a brainwave signal including specific frequency band signals. The processing module analyzes the brainwave signal to obtain an index in each of the specific frequency band signals and calculates a sleepless degree parameter representing one of at least five brainwave states regarding sleep accordingly. The transmitting module transmits a parameter signal corresponding to the sleepless degree parameter. The server receives the parameter signal from the transmitting module. The server stores comparison data, compares the parameter signal to the comparison data, and generates a first feedback signal according to a comparison result. The first feedback signal includes a command to switch an audio file or stream which is currently being played.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: February 14, 2017
    Assignee: AmTRAN Technology Co., Ltd.
    Inventors: Shao-Chin Chang, Hsu-Hsuan Wu
  • Patent number: 9572132
    Abstract: The present disclosure provides a method and apparatus for communicating data packets in a cloud cell. In one embodiment, a network node from which data packets are received is identified by the BS. If the data packets are received from a data gateway, a network node to which the data packets to be sent is identified. If the data packets are to be sent to a slave BS, partial processing, is performed on the data packets by the master BS. Furthermore, partially processed data packets are transmitted to the slave BS so that the slave BS performs complete processing on the partially processed data packets and transmits the completely processed data packets to the MS. If the data packets are to be sent to the MS, then complete processing of the data packets is performed by the BS and transmitted to the MS.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: February 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Anil Agiwal, Young-Bin Chang
  • Patent number: 9570052
    Abstract: Apparatus for enhancing tunes produced out of single-reed wind music instrument are disclosed. Apparatus comprise one or more sound enhancing elements in form of a plurality of elongated ribs or grooves, or one or more studs affixed to a reed's table side. Patterns of the elongated ribs/grooves can be straight or wavy lines orientated in longitudinal, transverse or oblique direction with respect to the reed. Each stud contains a three-dimensional (3-D) geometric shape portion for altering sounds produced out of a single-reed wind music instrument when played by a player, and a base of the 3-D geometric shape portion for affixing the stud to the table side of a reed in an area directly opposite to the heart of the reed. Dimensions of the area are single-reed wind music instrument dependent.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: February 14, 2017
    Inventor: Shun-Hwa Chang
  • Patent number: 9570739
    Abstract: A composite positive active material including an over-lithiated lithium transition metal oxide, the over-lithiated transition metal oxide including a compound represented by Formula 1 or Formula 3: [Formula 1] xLi2-yM?yMO3-(1-x)LiM?O2, [Formula 3] xLi2-yM?yMO3-x?LiM?O2-x?Li1+dM??2-dO4, x+x?+x?=1, 0<x<1, 0<x?<1, 0<x?<1, 0<y?1, and 0?d?0.33, is disclosed. A positive electrode and a lithium battery containing the composite positive active material, and a method of preparing the composite positive active material are also disclosed.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: February 14, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jay-Hyok Song, Jun-Seok Park, Evgeniya Matulevich, Chang-Wook Kim, Yong-Chan You, Sun-Ho Kang
  • Patent number: 9572114
    Abstract: A channel map generation method includes: performing a power spectrum density detection on a plurality of channels in a frequency band, to generate a first channel map; and performing a first smoothing operation on the first channel map by a first window size to generate a second channel map. The first smoothing operation includes: grouping channels of the first channel map into a plurality of channel groups according to the first window size; and according to the number of good channels or bad channels in each of the channel group, deciding to retain channel determinations in the first channel map of the channel group, or re-designating all the channels of the channel group, so as to generate the second channel map.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: February 14, 2017
    Assignee: Realtek Semiconductor Corp.
    Inventors: Yan-Yu Chen, Chung-Yao Chang
  • Patent number: 9571916
    Abstract: The present invention discloses an audio codec with a jack detection function and an audio jack detection method. An embodiment of the audio codec comprises: a first-contact signal input end operable to electrically connect with a sleeve contact of a plug and receive a first-contact signal indicating the presence or absence of the plug; a second-contact signal input end operable to electrically connect with a ring contact or the sleeve contact of the plug and receive a second-contact signal indicating the presence or absence of the plug; a plug detecting circuit coupled to the first-contact or second-contact signal input end and operable to detect whether a voltage level of the first-contact or second-contact signal has changed to thereby generate a plug detection signal; and a control circuit coupled to the plug detecting circuit and operable to determine the presence or absence of the plug according to the plug detection signal.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: February 14, 2017
    Assignee: Realtek Semiconductor Corporation
    Inventors: Yuan-Ping Hsu, Cheng-Pin Chang
  • Patent number: 9565959
    Abstract: A tea tray assembly includes a disc having a positioning groove in a top face thereof. A positioning hole extends from a bottom wall of the positioning groove through a bottom face of the disc. A water discharge box is mounted to the bottom face of the disc and includes a body having a water discharge chamber. The body further includes an abutment portion extending transversely from an upper edge thereof and abutting the bottom face of the disc. A tightening member includes a connecting portion extending through the positioning hole of the disc. A pressing and holding portion of the connecting portion is located in the positioning groove of the disc. An outer thread of the connecting portion securely engages with an inner thread of the water discharge box, retaining the pressing and holding portion to the bottom wall of the positioning groove.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: February 14, 2017
    Assignee: Zacabo Industry Co., Ltd.
    Inventor: Chang-Chia She
  • Patent number: 9567210
    Abstract: The present disclosure relates to a microelectromechanical systems (MEMS) package having two MEMS devices with different pressures, and an associated method of formation. In some embodiments, the (MEMS) package includes a device substrate and a cap substrate bonded together. The bonded substrate comprises a first cavity corresponding to a first MEMS device having a first pressure and a second cavity corresponding to a second MEMS device having a different second pressure. The second cavity comprises a major volume and a vent hole connected by a lateral channel disposed between the device substrate and the cap substrate and the vent hole is hermetically sealed by a sealing structure.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: February 14, 2017
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chun-Wen Cheng, Chia-Hua Chu, Kuei-Sung Chang
  • Patent number: D779076
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: February 14, 2017
    Inventors: Ki Yong Chang, Min Young Kang