Patents by Inventor Yun YI

Yun YI 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).

  • Publication number: 20150129914
    Abstract: The invention provides a light-emitting diode package. The light-emitting diode package includes a lead frame having a first lead and a second lead separated from each other by a space. A transparent plastic housing surrounds and encapsulates the lead frame to form a cup-shaped body having a recessed accommodating space. A bottom of the space is defined as a function area. The function area comprises an exposed surface of the first lead and an exposed surface of the second lead. A top of the space is defined as an opening for light emission. A light-emitting diode chip is mounted on the first lead in the function area, electrically connected to the second lead. A white reflective material is disposed on an isolation area in the function area, covering the first and second leads adjacent to the space. An encapsulation material fills the recessed accommodating space.
    Type: Application
    Filed: July 24, 2014
    Publication date: May 14, 2015
    Inventor: Yun-Yi Tien
  • Publication number: 20150117012
    Abstract: A light emitting diode (LED) device includes a transparent substrate, a first reflection layer, a LED chip, a positive electrode, a negative electrode and a wavelength-converting layer. The LED chip is disposed on a surface of the transparent substrate, and the first reflection layer is disposed between the LED chip and the transparent substrate. The positive electrode and the negative electrode are disposed on an end portion of the transparent substrate and are electrically connected with the LED chip. The wavelength-converting layer covers the first reflection layer and the LED chip.
    Type: Application
    Filed: May 28, 2014
    Publication date: April 30, 2015
    Applicant: Lextar Electronics Corporation
    Inventors: Jia-Jhang KUO, Su-Hon LIN, Yun-Yi TIEN
  • Publication number: 20150110425
    Abstract: A linear motion guide device includes a slider slidably attached onto a guide rail, two dust caps oppositely attached to end portions of the slider respectively and each having a channel formed between two legs for slidably engaging with the guide rail, and each having a lip portion directed toward the guide rail for wiping the engaging surface of the guide rail, and the lip portions of the legs of the dust caps each include an inner flange directed toward the slider and each include a number of notches and a number of projections formed in the inner flange of each of the legs and offset from each other for wiping the lubricating fluid into the notches of the legs respectively.
    Type: Application
    Filed: October 17, 2013
    Publication date: April 23, 2015
    Applicant: Hiwin Technologies Corp.
    Inventors: Lung Yu CHANG, Yun Yi LIN
  • Patent number: 9004693
    Abstract: A projector includes a polarization conversion system and a reflective polarizer. The polarization conversion system receives unpolarized light including first S-polarized light and first P-polarized light, wherein the first S-polarized light passes through the polarization conversion system, a part of the first P-polarized light is converted into second S-polarized light after passing through the polarization conversion system, and another part of the first P-polarized light remains unchanged after passing through the polarization conversion system. The reflective polarizer allows the first S-polarized light and the second S-polarized light to pass through and reflects the first P-polarized light back to the polarization conversion system.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: April 14, 2015
    Assignees: Sintai Optical (Shenzhen) Co., Ltd., Asia Optical International Ltd.
    Inventors: Ju-Ping Huang, Yun-Yi Lin
  • Publication number: 20150092472
    Abstract: Provided is an electronic device including a semiconductor memory which includes a cell array region having a first variable resistance element and a peripheral circuit region having a decoupling capacitor, the decoupling capacitor including a bottom electrode, a dielectric layer pattern, and a top electrode. The cell array region may include: a first gate; a first contact over the first gate; a second contact over an active region at one side of the first gate; and the first variable resistance element over the second contact, and the peripheral circuit region may include: a second gate formed of the same material at the same level as the first gate; the bottom electrode disposed over the second gate and formed at the same level as the first contact; and the dielectric layer pattern and the top electrode disposed over the bottom electrode.
    Type: Application
    Filed: May 9, 2014
    Publication date: April 2, 2015
    Applicant: SK HYNIX INC.
    Inventors: Jae-Yun Yi, Seok-Pyo Song, Joon-Seop Sim
  • Publication number: 20150055397
    Abstract: An electronic device including a semiconductor memory. The semiconductor memory includes a bit line; a source line; a plurality of resistive memory cells among which a selected memory cell forms a current path between the bit line and the source line; a read current supply unit configured to supply read current to the bit line in a read operation; a sense amplifier configured to generate read data in response to a voltage level of the bit line in the read operation; and a variable switch element configured to flow current from the source line to a ground terminal in the read operation, and be decreased in its resistance value as a voltage level of the source line is high.
    Type: Application
    Filed: May 13, 2014
    Publication date: February 26, 2015
    Applicant: SK hynix Inc.
    Inventors: Jae-Yun Yi, Sung-Woong Chung, Seok-Pyo Song
  • Publication number: 20150049537
    Abstract: An electronic device includes a semiconductor device that includes: a substrate including a switching element having a buried gate electrode; a buried decoupling capacitor having a line width same as a line width of the buried gate electrode; and a variable resistance element, electrically coupled to the switching element, formed over the substrate.
    Type: Application
    Filed: July 2, 2014
    Publication date: February 19, 2015
    Inventors: Joon-Seop Sim, Seok-Pyo Song, Jae-Yun Yi
  • Patent number: 8953259
    Abstract: A projection lens, in order along an optical axis from an image formation side to an image source side, includes a first lens, an aperture, a second lens, a third lens, and a fourth lens. The first lens is a meniscus lens with positive refractive power and a convex surface thereof facing the image formation side, and has at least an aspheric surface. The second lens is a biconcave lens with negative refractive power, and has at least an aspheric surface. The third lens is a biconvex lens with positive refractive power, and the fourth lens is a biconvex lens with positive refractive power, and has at least an aspheric surface. Therefore, the projection lens has a small size and high zoom ratio.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: February 10, 2015
    Assignee: Asia Optical International Ltd.
    Inventors: Chien-Chih Hsiung, Yu-Hsiang Huang, Yun-Yi Lin
  • Publication number: 20150014720
    Abstract: A LED package structure including a carrier and a light emitting diode (LED) chip is provided. The LED chip includes a substrate, a patterned structure, a first semiconductor layer, an active layer and a second semiconductor layer. The substrate has a first surface and a second surface opposite to the first surface. The patterned structure is formed on the second surface of the substrate. The first semiconductor layer is disposed on the first surface of the substrate. The active layer is disposed on a portion of a surface of the first semiconductor layer, and other portion of the surface not covered by the active layer is exposed. The second semiconductor layer is disposed on the active layer. The LED chip is disposed on the carrier by way of flip-chip so that the first and the second semiconductor layers face towards the carrier.
    Type: Application
    Filed: April 15, 2014
    Publication date: January 15, 2015
    Applicant: Lextar Electronics Corporation
    Inventor: Yun-Yi Tien
  • Patent number: 8933427
    Abstract: A variable resistance memory device includes active regions defined by an isolation layer in a semiconductor substrate, trenches in the semiconductor substrate, which extend in a direction crossing the active regions, junction regions formed in the active regions on both sides of the trenches, and variable resistance patterns interposed between the word lines and the junction regions.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: January 13, 2015
    Assignee: SK Hynix Inc.
    Inventors: Jae-Yun Yi, Seok-Pyo Song, Seung-Hwan Lee
  • Patent number: 8912561
    Abstract: A phosphor composition is provided. The phosphor composition comprises a phosphor nucleus and a hydrophobic layer. The hydrophobic layer is bonded on a surface of the phosphor nucleus and consists of an organic compound with a hydrophobic functional group.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: December 16, 2014
    Assignee: Lextar Electronics Corporation
    Inventors: Yong-Hong Liao, Yun-Yi Tien, Jian-Chin Liang
  • Patent number: 8867257
    Abstract: A variable resistance memory device includes: first and second structures that each include a first electrode, a second electrode, and a variable resistance material layer interposed between the first and second electrodes and configured to switch between different resistance states depending on a voltage applied across the variable resistance material layer; and a material layer interposed between the first and second structures and configured to pass a bidirectional current according to a voltage applied across the material layer. The first and second structures are symmetrical with respect to the material layer.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: October 21, 2014
    Assignee: SK Hynix Inc.
    Inventor: Jae-Yun Yi
  • Publication number: 20140293672
    Abstract: This patent document relates to memory circuits or devices and their applications in electronic devices or systems. The disclosed technology in this patent document includes memory circuits or devices and their applications in electronic devices or systems and various implementations of an electronic device in which an electronic device capable of reducing an area, improving device characteristics due to a reduction in the resistance of a switching transistor, simplifying the process, and reducing a cost is provided. In accordance with the electronic device of this patent document, an area can be reduced, device characteristics can be improved due to a reduction in the resistance of the switching transistor, the process can be simplified, and a cost can be reduced.
    Type: Application
    Filed: March 21, 2014
    Publication date: October 2, 2014
    Applicant: SK HYNIX INC.
    Inventors: Jae-Yun Yi, Sung-Woong Chung, Seok-Pyo Song
  • Publication number: 20140293684
    Abstract: A nonvolatile memory apparatus includes: a memory cell coupled to a bit line and a source line; a word line configured to select the memory cell; and a local switch block configured to apply a write voltage, a read voltage, and a source line voltage to the bit line and the source line in response to a local switch select signal. In a write or read operation of the nonvolatile memory apparatus, the word line has a first voltage level, and the local switch select signal has a second voltage level higher than the first voltage level.
    Type: Application
    Filed: August 28, 2013
    Publication date: October 2, 2014
    Applicant: SK Hynix Inc.
    Inventors: Jae Yun YI, Seok Pyo SONG
  • Patent number: 8847188
    Abstract: A switching device includes a first electrode, a bipolar tunneling layer, and a second electrode. The bipolar tunneling layer is formed on the first electrode and includes a plurality of dielectric layers having different dielectric constants. The second electrode is formed on the bipolar tunneling layer.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: September 30, 2014
    Assignee: SK Hynix Inc.
    Inventors: Yun-Taek Hwang, Jae-Yun Yi
  • Publication number: 20140254239
    Abstract: Devices and methods based on disclosed technology include, among others, an electronic device capable of improving a signal transfer characteristic and a method for fabricating the same. Specifically, an electronic device in one implementation includes a plurality of buried gates formed in a substrate, open parts formed in the substrate on both sides of the buried gate, isolation layers each formed between a sidewall of the open part and a sidewall of the buried gate, source/drain regions formed in the substrate under the respective open parts, and contact plugs buried in the respective open parts.
    Type: Application
    Filed: December 30, 2013
    Publication date: September 11, 2014
    Applicant: SK HYNIX INC.
    Inventors: Seok-Pyo Song, Jae-Yun Yi, Se-Dong Kim
  • Patent number: 8803170
    Abstract: A light source module includes a substrate, a first LED package and a second LED package. The first and second LED packages are disposed on the substrate. The first LED package includes a first blue LED chip and a first phosphor. The first blue LED chip emits light in the range of the wavelength for blue light. The first phosphor is used to convert the wavelength of a portion of the light emitted from the first blue LED chip. The second LED package includes a second blue LED chip and a second phosphor. The second blue LED chip emits light in the range of the wavelength for blue light. The second phosphor is used to convert the wavelength of a portion of the light emitted from the second blue LED chip. The wavelength associated with the second phosphor is greater than that associated with the first phosphor.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: August 12, 2014
    Assignee: Lextar Electronics Corporation
    Inventors: Pei-Song Cai, Yong-Hong Liao, Tzu-Pu Lin, Yun-Yi Tien, Jian-Chin Liang
  • Publication number: 20140218911
    Abstract: A mobile electronic device is provided, including a first housing, a second housing and a circuit board assembly. The first housing is connected to the second housing to form a receiving space with the circuit board assembly disposed therein. The circuit board assembly includes a first circuit board having a plurality of light emitting diodes, a second circuit board, and a frame disposed between the first circuit board and the second circuit board.
    Type: Application
    Filed: September 17, 2013
    Publication date: August 7, 2014
    Applicant: Wistron NeWeb Corp.
    Inventors: Yung-Ping TSAI, Yung-Lin WU, Yun-Yi TING, Heng-Ching FENG
  • Patent number: 8754394
    Abstract: A variable resistive memory device includes a bit line, a word line, first electrodes and second electrodes, which are respectively arrayed in different directions, wherein a unit cell including a variable resistive material layer interposed between the first electrode and the second electrode is located at every intersection between the first electrode and the second electrode.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: June 17, 2014
    Assignee: SK Hynix Inc.
    Inventors: Jae-Yun Yi, Seok-Pyo Song
  • Patent number: D707666
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: June 24, 2014
    Assignee: Wistron NeWeb Corporation
    Inventors: Yun-Yi Ting, Ying-Chih Liu, Yi-Chin Huang