Patents by Inventor Yun Bok Lee
Yun Bok Lee 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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Publication number: 20140139561Abstract: The present invention discloses a display processing method, a display processing device and a display device. The display processing method is used for the display device having display areas. The display processing method includes: obtaining a first area of the display device which is currently displaying 3D display data; controlling the display in the first area based on a first GAMMA curve, and controlling the display in a second area other than the first area in the display area based on a second GAMMA curve; the first GAMMA curve is different from the second GAMMA curve. In the embodiments of the present invention, GAMMA curves corresponding to different types of display areas are used to control the display of pixels in the different types of display areas respectively. Therefore, the display effect is improved.Type: ApplicationFiled: November 18, 2013Publication date: May 22, 2014Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.Inventor: Yun Bok LEE
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Patent number: 8454184Abstract: A back lighting unit is disclosed in which lower and upper surfaces of a light transmitting plate function as incident and exit surfaces of light, respectively, and a phosphor film structure for wavelength-converting the light is provided at a position which the light is incident on or exits from. The disclosed back lighting unit includes a light emitting means including a light emitting diode disposed to emit light upwards; a light transmitting plate disposed over the light emitting diode, the light transmitting plate having a lower surface allowing light to be incident thereon and an upper surface allowing light to exit therefrom; and a phosphor film structure including a particulate phosphor and formed on at least one of the lower and upper surfaces of the light transmitting plate.Type: GrantFiled: December 26, 2007Date of Patent: June 4, 2013Assignee: Seoul Semiconductor Co., Ltd.Inventors: Hyuck Jung Choi, Sang Min Lee, Kyung Nam Kim, Yun Bok Lee
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Patent number: 8451413Abstract: An array substrate for FFS type LCD panel includes a transparent substrate, gate lines, a gate insulating layer, data lines, pixel electrodes, a passivation layer and a common electrode. The gate lines are disposed on the transparent substrate. The gate insulating layer is disposed on the transparent substrate and covers the gate lines. The data lines are disposed on the gate insulating layer. The pixel electrodes are disposed on the gate insulating layer, wherein the pixel electrodes and the data lines are located on the same level. The passivation layer is disposed on the gate insulating layer and covers the pixel electrodes and the data lines. The common electrode is disposed on the passivation layer.Type: GrantFiled: January 29, 2010Date of Patent: May 28, 2013Assignee: Hannstar Display Corp.Inventors: Hsuan Chen Liu, Yun Bok Lee, Chia Hua Yu, Kun Tsai Huang, Kun Cheng Lee
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Patent number: 8446553Abstract: The present invention relates to an in-plane switching mode LCD, in which data electrodes and common electrodes in a unit pixel have the same light transmitting area to reduce the luminance difference according to positive or negative polarity of an applied DC voltage. The in-plane switching mode LCD comprises a first substrate; a plurality of data lines on the first substrate; data electrodes and common electrodes alternately formed in an unit pixel area, the data electrodes having a first transmittance area and the common electrodes having a second transmittance area, wherein the first transmittance area equals the second transmittance area; and a shielding layer formed under outer most ones of the common electrodes, and wherein at least one of the data electrodes has a first width, and at least one of the common electrodes has a second width, the second width being greater than the first width.Type: GrantFiled: June 12, 2012Date of Patent: May 21, 2013Assignee: LG Display Co., Ltd.Inventors: Gi Hong Kim, Yun Bok Lee
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Publication number: 20120264242Abstract: The present invention relates to an in-plane switching mode LCD, in which data electrodes and common electrodes in a unit pixel have the same light transmitting area to reduce the luminance difference according to positive or negative polarity of an applied DC voltage. The in-plane switching mode LCD comprises a first substrate; a plurality of data lines on the first substrate; data electrodes and common electrodes alternately formed in an unit pixel area, the data electrodes having a first transmittance area and the common electrodes having a second transmittance area, wherein the first transmittance area equals the second transmittance area; and a shielding layer formed under outer most ones of the common electrodes, and wherein at least one of the data electrodes has a first width, and at least one of the common electrodes has a second width, the second width being greater than the first width.Type: ApplicationFiled: June 12, 2012Publication date: October 18, 2012Inventors: Gi Hong KIM, Yun Bok Lee
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Patent number: 8212984Abstract: The present invention relates to a method of manufacturing an in-plane switching mode LCD, in which data electrodes and common electrodes in a unit pixel have the same light transmitting area to reduce the luminance difference according to positive or negative polarity of an applied DC voltage, the method of manufacturing comprise preparing the first and second substrates; forming a plurality of gate lines and data lines on the first substrate to define a plurality of pixel areas; forming a plurality of data electrodes and the common electrodes to be alternately formed in each pixel area and having the same light transmitting area in applying voltage; and forming a liquid crystal layer between the first and second substrates.Type: GrantFiled: March 18, 2009Date of Patent: July 3, 2012Assignee: LG Display Co., Ltd.Inventors: Gi Hong Kim, Yun Bok Lee
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Publication number: 20120162766Abstract: A polarizer is provided comprising: a transparent substrate, on a main surface of which a plurality of grooves in parallel with each other are provided at an interval; a birefringence crystal layer with a single orientation formed on the main surface of the transparent substrate where the grooves are provided, wherein the birefringence crystal layer is at least filled in the grooves so that linearly polarized light incident on a location corresponding to the grooves and passing through the polarizer is converted into first polarized light, and linearly polarized light incident on a location between the grooves and passing through the polarizer is converted into second polarized light, the polarization directions of the first and the second polarized light are different from each other.Type: ApplicationFiled: December 23, 2011Publication date: June 28, 2012Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yun Bok LEE, Ku Hyun PARK
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Patent number: 8149368Abstract: The present invention discloses an array substrate for an IPS-LCD device. The IPS-LCD device according to the present invention implements a multi-domain for a liquid crystal layer. The liquid crystal molecules are aligned in various directions with respect to each different domain. Therefore, the different domains compensate for one another such that a color shift is prevented in spite of wide viewing angles. To form the multi-domain, the present invention provides an array substrate having divided common electrode or pixel electrode or both. In another aspect, to form the multi-domain, the present invention provides an array substrate having multi-bar shaped common and pixel electrodes. Each of the common and pixel electrodes has a transverse portion and a perpendicular portion. The transverse portions of the common and pixel electrodes induce a first domain, whereas the perpendicular portions of the common and pixel electrodes induce a second domain.Type: GrantFiled: April 3, 2009Date of Patent: April 3, 2012Assignee: LG Display Co., Ltd.Inventors: Jang-Jin Yoo, Hyung-Ki Hong, Yun-Bok Lee
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Patent number: 8063864Abstract: A pixel, according to the invention, comprises a pixel electrode, a data line, and a switch element. The switch element comprises a gate electrode, a first electrode, a second electrode, and a semiconductor layer. The first electrode is electrically connected to the pixel electrode and comprises a first portion and a second portion. The second portion has a curved structure and comprises a first terminal connected to the first portion and a second terminal. The first terminal of the second portion is substantially aligned with the second terminal thereof. The second electrode is electrically connected to the data line. The second electrode forms or the second electrode and the data line together form a concave area where the first electrode is disposed in. The semiconductor layer is disposed between the first electrode, the second electrode, and the gate electrode.Type: GrantFiled: December 12, 2007Date of Patent: November 22, 2011Assignee: Hannstar Display Corp.Inventors: Chang-Ching Yeh, Yun-Bok Lee, Chia-Hua Yu
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Patent number: 8009240Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: GrantFiled: July 14, 2009Date of Patent: August 30, 2011Assignee: Hannstar Display Corp.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu
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Patent number: 7973866Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: GrantFiled: October 5, 2010Date of Patent: July 5, 2011Assignee: Hannstar Display Corp.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu
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Publication number: 20110019143Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: ApplicationFiled: October 5, 2010Publication date: January 27, 2011Applicant: HANNSTAR DISPLAY CORP.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu
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Publication number: 20100259714Abstract: An array substrate for FFS type LCD panel includes a transparent substrate, gate lines, a gate insulating layer, data lines, pixel electrodes, a passivation layer and a common electrode. The gate lines are disposed on the transparent substrate. The gate insulating layer is disposed on the transparent substrate and covers the gate lines. The data lines are disposed on the gate insulating layer. The pixel electrodes are disposed on the gate insulating layer, wherein the pixel electrodes and the data lines are located on the same level. The passivation layer is disposed on the gate insulating layer and covers the pixel electrodes and the data lines. The common electrode is disposed on the passivation layer.Type: ApplicationFiled: January 29, 2010Publication date: October 14, 2010Applicant: HANNSTAR DISPLAY CORP.Inventors: Hsuan Chen LIU, Yun Bok LEE, Chia Hua YU, Kun Tsai HUANG, Kun Cheng LEE
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Patent number: 7719651Abstract: An in-plane switching liquid crystal display device including: first and second substrates; a gate line and data line arranged vertically and horizontally, respectively, on the first substrate and defining a pixel region; a thin film transistor (TFT) formed at a crossing of the gate line and the data line; common electrodes and pixel electrodes alternately disposed in the pixel region in a curvature form and generating an in-plane electric field; a common electrode connection line electrically connecting the common electrodes; a pixel electrode connection line electrically connecting pixel electrodes; a compensation electrode formed along at least one of the common electrode connection line and the pixel electrode connection line and compensating electric field; and a liquid crystal layer formed between the first and second substrates.Type: GrantFiled: May 20, 2005Date of Patent: May 18, 2010Assignee: LG Display Co., Ltd.Inventors: Yun Bok Lee, Min Joo Kim
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Publication number: 20100045555Abstract: An array antenna system including: a base frame; a plurality of antenna elements which is arranged on the base frame; a driving unit which provides a driving power to each of the plurality of antenna elements when the plurality of antenna elements is moved or transformed on the base frame; a sensor unit which senses a change of a radio wave environment; and a control unit which transmits a driving signal to the driving unit according to a change of the radio wave environment, the change of the radio wave environment being sensed by the sensor unit.Type: ApplicationFiled: May 10, 2007Publication date: February 25, 2010Applicant: E.M.W. ANTENNA CO., LTDInventors: Byung Hoon Ryou, Won Mo Sung, Yun Bok Lee, Jeong Pyo Kim, Jun Woo Park, Jun Han Park, Myo Geun Yang
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Publication number: 20100020531Abstract: A back lighting unit is disclosed in which lower and upper surfaces of a light transmitting plate function as incident and exit surfaces of light, respectively, and a phosphor film structure for wavelength-converting the light is provided at a position which the light is incident on or exits from. The disclosed back lighting unit includes a light emitting means including a light emitting diode disposed to emit light upwards; a light transmitting plate disposed over the light emitting diode, the light transmitting plate having a lower surface allowing light to be incident thereon and an upper surface allowing light to exit therefrom; and a phosphor film structure including a particulate phosphor and formed on at least one of the lower and upper surfaces of the light transmitting plate.Type: ApplicationFiled: December 26, 2007Publication date: January 28, 2010Applicant: Seoul Semiconductor Co., Ltd.Inventors: Hyuck Jung Choi, Sang Min Lee, Kyung Nam Kim, Yun Bok Lee
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Publication number: 20100007560Abstract: Disclosed herein is a direct feeding type patch antenna. The direct feeding type patch antenna according to the present invention comprises: a feed element 110 having direct feeding points 118 formed radially in opposite perpendicular directions to one another from a feeding central portion 120; four direct feeding cylindrical pillars 130 electrically connected at one ends thereof to the direct feeding points 118; and a radiation patch 140 disposed opposite to the feed element 110 and electrically connected to the other ends of the direct feeding cylindrical pillars 130, for allowing an electrical signal to be directly fed thereto. The direct feeding type patch antenna further comprises a coupler made of a ceramic material. According to the present invention, it is possible to implement a patch antenna which has a high gain and an improved axial ratio bandwidth, and is small-sized.Type: ApplicationFiled: October 1, 2007Publication date: January 14, 2010Inventors: Byung Hoon Ryou, Won Mo Sung, Seung Up Seo, Yun Bok Lee
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Publication number: 20090315786Abstract: Disclosed is an antenna with an extended electrical length, including radiators (110, 210, 310), (410 and 510) having S-shaped or spiral-shaped cells (112, 212, 312 and 512). The cells (112, 212, 312 and 512) are formed on the front surface of the boards (120, 220, 320, 420 and 520), and two or more of the cells are connected in series by connectors (114, 214 and 314) formed on the rear surface of the board. Furthermore, the antenna includes a ground stub (150) and a parasitic element (160) electromagnetically coupled to the radiators (110, 210, 310, 410 and 510), and has a good radiation characteristic. Furthermore, the antenna can include the cells (112, 212, 312 and 512) of different sizes and can thus have a multi-band characteristic.Type: ApplicationFiled: March 30, 2007Publication date: December 24, 2009Applicant: E.M.W. Antenna Co., Ltd.Inventors: Byung Hoon Ryou, Won Mo Sung, Gi Ho Kim, Yun Bok Lee, Jun Woo Park
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Patent number: 7623191Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: GrantFiled: September 19, 2006Date of Patent: November 24, 2009Assignee: Hannstar Display Corp.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu
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Publication number: 20090273750Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: ApplicationFiled: July 14, 2009Publication date: November 5, 2009Applicant: HANNSTAR DISPLAY CORP.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu