Patents by Inventor Il-yong Jung
Il-yong Jung 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: 20120206677Abstract: A display panel and a display apparatus having the are provided. The display panel with a liquid crystal layer, includes first and second substrates which are disposed opposite to each other; a color filter polarizing layer which is formed on a surface of one of the first and second substrates between the first and second substrates, and includes a metal linear grid arranged at different pitches to emit a first polarized component of incident light with different colors; and a polarizing layer formed on an opposite surface to the surface of one of the first and second substrates. The provided display panel and display apparatus including the same, have decreased manufacturing costs and a simplified manufacturing process.Type: ApplicationFiled: August 12, 2011Publication date: August 16, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong-eun CHUNG, Dong-hwan KIM, Il-yong JUNG
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Publication number: 20120206676Abstract: A display panel and a display apparatus having the same are provided. The display panel includes a liquid crystal layer and comprises first and second substrates which are disposed opposite to each other; a color filter polarizing layer which formed on one surface between the first and second substrates, and which includes a first metal linear grid arranged at different pitches to emit a first polarized component of incident light with different colors; and a polarizing layer which includes a second metal linear grid formed on an opposite surface to the surface between the first and second substrates, wherein a metal material contained in the first metal linear grid is different from a metal material contained in the second metal linear grid. The provided display panel and display apparatus including the same, have decreased manufacturing costs and a simplified manufacturing process.Type: ApplicationFiled: August 12, 2011Publication date: August 16, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong-eun CHUNG, Dong-hwan KIM, Il-yong JUNG, Tae-bae KIM
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Publication number: 20120206678Abstract: A display panel and a display apparatus having the same, in which the display panel comprises a liquid crystal layer comprising first and second substrates which are disposed opposite to each other; and a color filter layer which is formed on a surface of one of the first and second substrates facing each other, and includes a first metal linear grid arranged at different pitches to emit a first polarized component of incident light with different colors. The provided display panel and display apparatus have decreased manufacturing costs and simplified manufacturing process.Type: ApplicationFiled: August 12, 2011Publication date: August 16, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-hwan KIM, Seong-eun CHUNG, Il-yong JUNG
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Publication number: 20120206580Abstract: A display panel and a display apparatus are provided. The display panel includes first and second substrates which are disposed opposite to each other and a liquid crystal layer formed in between; a color filter polarizing layer which is formed on one surface between the first and second substrates; and a polarizing layer. The color filter polarizing layer comprises a first metal linear grid arranged at different pitches to emit a first polarized component of incident light with different colors, and a second metal linear grid formed on an opposite surface of the one surface between the first and second substrates. The provided display panel and display apparatus, have reduced manufacturing costs and a simplified manufacturing process.Type: ApplicationFiled: August 12, 2011Publication date: August 16, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong-eun CHUNG, Dong-hwan KIM, Il-yong JUNG
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Publication number: 20120182498Abstract: A back light unit and a liquid crystal display having the same are provided. The back light unit includes a light guide plate having a substantially rectangular plate shape and a front surface and a rear surface disposed parallel to each other and four edge surfaces disposed perpendicular to the front surface and the rear surface, at least one light incident surface perpendicular to the front surface and the rear surface being formed on at least one of four corner regions of the light guide plate; and a light source unit which is disposed adjacently on the light incident surface. If the angle between an edge surface which is relatively longer than two edge surfaces which are adjacent to the light incident surface and an incident direction of a light which is projected from the light source unit is ?, the angle ? is 20°<?<45°.Type: ApplicationFiled: September 24, 2011Publication date: July 19, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Il-yong JUNG, Tae-bae KIM
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Publication number: 20120169972Abstract: Provided are a liquid crystal display panel and an apparatus including the same, the liquid crystal display panel including: a first substrate which includes a first incident surface to receive light and a first emission surface to emit the light; a second substrate which includes a second incident surface to receive the light from the first emission surface of the first substrate, and a second emission surface to emit the light from the second incident surface, and spaced from the first substrate at an interval; a liquid crystal layer disposed between the first substrate and the second substrate; and a wire grid layer which is disposed in at least one of the first substrate and the second substrate and focuses and polarizes the light.Type: ApplicationFiled: September 25, 2011Publication date: July 5, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Il-yong JUNG, Kun-ho CHO, Myung-ryul JUNG, Ju-seong HWANG
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Patent number: 8164564Abstract: A liquid crystal display and control method thereof, having a liquid crystal display panel, a light emitting diode device which is disposed on the rear of the liquid crystal display panel and which is divided into a plurality of partitioned areas that are capable of being driven independently, a light guide part disposed for each of the partitioned areas, an image calculating part for dividing the liquid crystal display panel into a plurality of regions and calculating the brightness of each region by using image data, and an inverter and an inverter controller to provide differentiated power to the partitioned areas based on the calculated brightness.Type: GrantFiled: September 1, 2006Date of Patent: April 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Su-gun Kim, Tae-hee Cho, Ki-bum Seong, Il-yong Jung, Kye-hoon Lee, Jun-young Lee, Jung-hyeon Kim
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Publication number: 20120050636Abstract: A liquid crystal display device is provided. The liquid crystal display device includes at least one light-emitting surface mounted in a printed circuit board such that the light-emitting surface directs upward, and a side frame provided with a reflective surface to refract light from the light-emitting surface at a predetermined position and thus allow the light to be incident at a side of a light-guide portion. The light-emitting diode is arranged such that one side thereof contacts an inner surface of the side frame, thus minimizing a width of a bezel portion and preventing light loss.Type: ApplicationFiled: July 25, 2011Publication date: March 1, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung Ock JEONG, Il Yong JUNG, Jun Mo YOO
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Publication number: 20120050635Abstract: A liquid crystal display device is provided. The liquid crystal display device includes a light-shielding member to prevent light irradiated upward from a light-emitting surface of a plurality of light-emitting diodes from being incident on a lower edge of an incident surface of a light-guide portion. As a result, a bezel surrounding a liquid crystal display panel may be made thinner, and a bright line defect, hot spot, may be prevented.Type: ApplicationFiled: May 31, 2011Publication date: March 1, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun Mo YOO, Seong Eun CHUNG, Il Yong JUNG, Tae Bae KIM
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Patent number: 8111348Abstract: A liquid crystal display device includes a housing, a liquid crystal panel provided in the housing and comprises first and second transparent substrates spaced from each other at predetermined intervals, a sealing member to seal an internal space formed between the first and second transparent substrates, a liquid crystal to fill the internal space, first and second transparent electrodes formed in the first and second transparent substrates, respectively, and a polarizing plate to transmit light in a predetermined polarizing direction, a backlight unit disposed in the housing to emit surface light to the liquid crystal panel, and a polarizing filter disposed in the housing, and spaced from the liquid crystal panel at predetermined intervals to transmit predetermined polarized light and to block other polarized light of incident light.Type: GrantFiled: April 15, 2011Date of Patent: February 7, 2012Assignee: SAMSUNG Electronics Co., Ltd.Inventors: Pil-yong Oh, Il-yong Jung
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Patent number: 8049838Abstract: A direct light type backlight unit and a color filterless liquid crystal display (LCD) apparatus employing the same are provided. The direct light type backlight unit includes: a substrate; a plurality of light-emitting devices inclined with respect to the substrate; a diffraction grating which diffracts light emitted by the plurality of light-emitting devices at different angles according to wavelength and thereby separates the light into a plurality of color beams; and a plurality of reflectors, each reflector disposed at a side of one of the plurality of light-emitting devices, which reduces the range of angles of light incident on the diffraction grating.Type: GrantFiled: September 26, 2006Date of Patent: November 1, 2011Assignee: Samsung Electronics Co., Ltd.Inventor: Il-yong Jung
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Publication number: 20110255024Abstract: Disclosed herein is a display apparatus including a display part operable to display an image; and a bezel part disposed at an edge of the display part, wherein at least a portion of a front surface of the display part and a front surface of the bezel part are coplanar.Type: ApplicationFiled: April 20, 2011Publication date: October 20, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong Eun CHUNG, Il Yong JUNG
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Publication number: 20110187962Abstract: A liquid crystal display device includes a housing, a liquid crystal panel provided in the housing and comprises first and second transparent substrates spaced from each other at predetermined intervals, a sealing member to seal an internal space formed between the first and second transparent substrates, a liquid crystal to fill the internal space, first and second transparent electrodes formed in the first and second transparent substrates, respectively, and a polarizing plate to transmit light in a predetermined polarizing direction, a backlight unit disposed in the housing to emit surface light to the liquid crystal panel, and a polarizing filter disposed in the housing, and spaced from the liquid crystal panel at predetermined intervals to transmit predetermined polarized light and to block other polarized light of incident light.Type: ApplicationFiled: April 15, 2011Publication date: August 4, 2011Applicant: Samsung Electronics Co., LtdInventors: Pil-yong Oh, Il-yong Jung
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Publication number: 20110141005Abstract: A display apparatus includes a display panel which is divided into a plurality of display areas; a plurality of light guide plates which transmit light to the display areas of the display panel; a plurality of light source modules alternately arranged with and interposed between the light guide plates, each light source module being disposed along a lateral side of an adjacent light guide plate and including a plurality of light sources for emitting light to the lateral side of the adjacent light guide plate, and a module substrate on which the light sources are mounted; and a plurality of reflective plates which reflect the light emitted by the light sources and transmitted by the light guide plates, wherein each of the reflective plates is interposed between a rear surface of a corresponding light guide plate and at least one module substrate.Type: ApplicationFiled: July 30, 2010Publication date: June 16, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Il-yong JUNG, Jun-mo YOO
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Patent number: 7948575Abstract: A liquid crystal display device includes a housing, a liquid crystal panel provided in the housing and comprises first and second transparent substrates spaced from each other at predetermined intervals, a sealing member to seal an internal space formed between the first and second transparent substrates, a liquid crystal to fill the internal space, first and second transparent electrodes formed in the first and second transparent substrates, respectively, and a polarizing plate to transmit light in a predetermined polarizing direction, a backlight unit disposed in the housing to emit surface light to the liquid crystal panel, and a polarizing filter disposed in the housing, and spaced from the liquid crystal panel at predetermined intervals to transmit predetermined polarized light and to block other polarized light of incident light.Type: GrantFiled: August 25, 2008Date of Patent: May 24, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Pil-yong Oh, Il-yong Jung
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Publication number: 20110109843Abstract: A light guide panel, a backlight unit and a display apparatus are provided. A display apparatus includes a light guide panel including a first surface having a first pattern that increases luminance of backlight emitted from a light emitting unit, and a second surface having a second pattern that increases uniformity of luminance of the backlight emitted from the light emitting unit.Type: ApplicationFiled: June 22, 2010Publication date: May 12, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Il-yong JUNG
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Patent number: 7901102Abstract: A backlight unit including a plurality of light-emitting device units with varying arrangement intervals such that the light-emitting device units are more densely arranged at edges of a base plate than at center thereof, and a liquid crystal display (LCD) apparatus employing the same. The backlight unit is designed to prevent creation of dark portions on corners due to a shortage in an amount of light, thereby providing improved brightness uniformity.Type: GrantFiled: October 6, 2005Date of Patent: March 8, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Il-yong Jung, Ju-seong Hwang, Joon-chan Park, Ji-whan Noh
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Publication number: 20110013098Abstract: A display apparatus and a television are provided. The display apparatus includes a display panel which is divided into display areas; a plurality of light guide plates which output light to the display areas of the display panel; and a plurality of light sources, each of which generates light to be inputted into a lateral side of a respective one of the light guide plates, and is arranged corresponding to the lateral side of the respective light guide plate. The plurality of light sources may be arranged such that among the light sources arranged corresponding to the lateral side of one of the light guide plates, a first illumination direction of some of the light sources is different from a second illumination direction of others of the light sources.Type: ApplicationFiled: March 26, 2010Publication date: January 20, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Il-yong JUNG, Ki-bum SEONG, Sang-un YUN
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Publication number: 20100327758Abstract: The present invention relates to an LED light emitting device and a driving method, and discloses a technology that may improve a slew rate of a channel current flowing through an LED channel when driving with a pulse width modulation method. For this, the present invention includes an LED channel consisting of a plurality of LED elements that are consecutively and serially connected, a current control switch that is connected to the end of the LED channel and performs a switching operation, and an operational amplifier that controls the switching operation of the current control switch according to a pulse width modulation signal. The LED driver samples an output voltage at the operational amplifier when the pulse width modulation signal is in an on state, and maintains the output voltage of the operational amplifier when the pulse width modulation signal is in an off state.Type: ApplicationFiled: June 1, 2010Publication date: December 30, 2010Inventors: Jinhwa CHUNG, Il-Yong JUNG, Chan SON, Jaewoon KIM
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Patent number: 7841760Abstract: A backlight unit includes a light guide panel to guide entering light, a light source disposed on at least one side of the light guide panel to emit light, and a reflecting sheet disposed on a surface of the light guide panel to reflect the entering light toward a light emitting plane of the light guide panel, and includes a plurality of reflecting areas which have different reflectance, where a reflecting area of the plurality of reflecting areas which encounters a relatively large amount of the entering light has a higher reflectance than that of a reflecting area of the plurality of reflecting areas which encounters a relatively small amount of the entering light.Type: GrantFiled: June 19, 2008Date of Patent: November 30, 2010Assignee: Samsung Electronics Co., Ltd.Inventor: Il-yong Jung