Patents by Inventor Young-chol Lee
Young-chol 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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Patent number: 9354385Abstract: A curved display apparatus includes a curved display panel, a curved bottom sash disposed at a rear of the display panel such that the curved bottom sash is spaced apart from the display panel, and a plurality of backlight units disposed at opposite inner sides of the bottom sash to irradiate light to the bottom sash. The inside of the bottom sash reflects the light irradiated from the backlight units to the display panel. Consequently, a light guide plate may be omitted from the display apparatus.Type: GrantFiled: October 23, 2013Date of Patent: May 31, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun Seok An, Chan Hong Park, Young Chol Lee, Byoung Jin Cho, Sung Hwan Kim, Jee Su Park
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Patent number: 9310648Abstract: Provided are a liquid crystal panel assembly having no light guide plate (LGP) and a liquid crystal display apparatus. The liquid crystal panel assembly includes: a light source which generates light; a liquid crystal panel which displays the light generated from the light source as an image; at least one optical film disposed at a rear of the liquid crystal panel; a reflector sheet which is disposed at a rear of the optical film and reflects the light from the light source toward the optical film; a reflector which concentrates the light from the light source; an upper chassis and a lower chassis which house the light source, the liquid crystal panel, the optical film, the reflector sheet, and the reflector therebetween; and a middle chassis installed between the upper chassis and the lower chassis, wherein the reflector and the middle chassis form a single body.Type: GrantFiled: July 24, 2012Date of Patent: April 12, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung-jin Cho, Young-chol Lee, Jun-seok An, Nae-won Jang, Myung-ryul Jung, Hyeong-sik Choi
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Publication number: 20150346552Abstract: A supporting member usable with a backlight unit of an image display apparatus includes a supporting portion that is formed of a transparent material, disposed below a diffuser plate to support the diffuser plate, and includes a first end being in contact with the diffuser plate and two flat side surfaces disposed in parallel to one another and connected to one another at the first end; a base that is formed at a second end of the supporting portion and fixes the supporting portion to an under chassis of the backlight unit; and a reinforcing portion that is disposed on a top surface of the base.Type: ApplicationFiled: August 10, 2015Publication date: December 3, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung-jin CHO, Young-chol LEE, Hyung-chul KIM, Heong-seog LEE, Hyeong-sik CHOI
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Patent number: 9176335Abstract: A display panel, which realizes a 3D image in an active method, includes a first glass on which light is incident, a second glass which is aligned with the first glass and transmits an image, a first liquid crystal layer disposed between the first glass and the second glass and adjusts an amount of the light passing therethrough, and a second liquid crystal layer which is disposed between the second glass and the first liquid crystal layer and realizes the 3D image, wherein, in response to the display panel realizing the 3D image, the second liquid crystal layer is alternately arranged according to a first liquid crystal arrangement which corresponds to a first polarization direction and a second liquid crystal arrangement which corresponds to a second polarization direction which is different from the first polarization direction, so that images passing through the second liquid crystal layer are alternately polarized in the first polarization direction and the second polarization direction.Type: GrantFiled: January 24, 2013Date of Patent: November 3, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung-jin Cho, Young-chol Lee, Nae-won Jang, Hyeong-sik Choi
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Publication number: 20150261043Abstract: A display apparatus is provided. The display apparatus includes a liquid crystal display panel configured to display an image; a backlight unit located at the rear of the liquid crystal display panel, and including a plurality of light sources; a bottom chassis in which the backlight unit is positioned; and a reflector located in the bottom chassis, and configured to forwardly reflect light emitted from the plurality of light sources toward the liquid crystal display panel; and a reflection angle adjuster located in each corner of the reflector, and configured to reflect light emitted from the plurality of light sources in order to cause the reflected light to be incident toward corner areas of the liquid crystal display panel.Type: ApplicationFiled: March 13, 2015Publication date: September 17, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Eun LEE, Dae Hee LEE, Young Chol LEE, Byoung Jin CHO
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Patent number: 9128326Abstract: A supporting member usable with a backlight unit of an image display apparatus includes a supporting portion that is formed of a transparent material, is disposed below the diffuser plate to support the diffuser plate, and has a first end being in contact with the diffuser plate; and a base that is formed at a second end of the supporting portion and fixes the supporting portion to an under chassis of the backlight unit.Type: GrantFiled: September 14, 2012Date of Patent: September 8, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung-jin Cho, Young-chol Lee, Hyung-chul Kim, Heong-seog Lee, Hyeong-sik Choi
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Patent number: 9081228Abstract: A liquid crystal display apparatus according to an exemplary embodiment of the present inventive concept is provided the liquid crystal display apparatus includes a liquid crystal panel which displays images; backlight unit which provides light to the liquid crystal panel; and an optical sheet unit which is placed between the liquid crystal panel and backlight, wherein the optical sheet unit includes at least one scattering particle optical sheet where scattering particles are provided.Type: GrantFiled: March 18, 2013Date of Patent: July 14, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae-won Jang, Sang-eun Lee, Young-chol Lee, Byoung-jin Cho, Hyeong-sik Choi, Ju-seong Hwang
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Publication number: 20140368764Abstract: A liquid crystal display (LCD) apparatus includes an LCD panel, a light source unit configured to supply light to the LCD panel, and a diffusion member interposed between the LCD panel and the light source unit and including a plurality of holes configured to diffuse the light from the light source unit.Type: ApplicationFiled: June 18, 2014Publication date: December 18, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-eun LEE, Young-chol LEE, Nae-won JANG, Byoung-jin CHO
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Publication number: 20140286000Abstract: A backlight unit and a display device having the same includes a light source installed at a position, separated from the central region of a light diffuser diffusing light by a predetermined distance, to radiate light to the light diffuser, and a lens unit installed between the light diffuser and the light source and having a surface facing the light source, the surface of the lens unit facing the light source including reflective areas which are coated with a reflective material and reflect a part of light radiated from the light source, and a transmissive area transmitting the other part of light radiated from the light source. The display device may eliminate generation of a dark region on a display panel due to the shadow of the backlight unit through improvement of the structure of the lens unit.Type: ApplicationFiled: March 20, 2014Publication date: September 25, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Byoung Jin Cho, Young Chol Lee, Young Man Ahn, Joon Seok Ahn, Nae Won Jang, Hyeong Sik Choi
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Publication number: 20140111736Abstract: A curved display apparatus includes a curved display panel, a curved bottom sash disposed at a rear of the display panel such that the curved bottom sash is spaced apart from the display panel, and a plurality of backlight units disposed at opposite inner sides of the bottom sash to irradiate light to the bottom sash. The inside of the bottom sash reflects the light irradiated from the backlight units to the display panel. Consequently, a light guide plate may be omitted from the display apparatus.Type: ApplicationFiled: October 23, 2013Publication date: April 24, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun Seok AN, Chan Hong PARK, Young Chol LEE, Byoung Jin CHO, Sung Hwan KIM, Jee Su PARK
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Publication number: 20130329164Abstract: A liquid crystal display apparatus according to an exemplary embodiment of the present inventive concept is provided the liquid crystal display apparatus includes a liquid crystal panel which displays images; backlight unit which provides light to the liquid crystal panel; and an optical sheet unit which is placed between the liquid crystal panel and backlight, wherein the optical sheet unit includes at least one scattering particle optical sheet where scattering particles are provided.Type: ApplicationFiled: March 18, 2013Publication date: December 12, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae-won JANG, Sang-eun LEE, Young-chol LEE, Byoung-jin CHO, Hyeong-sik CHOI, Ju-seong HWANG
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Publication number: 20130300955Abstract: A display panel, which realizes a 3D image in an active method, includes a first glass on which light is incident, a second glass which is aligned with the first glass and transmits an image, a first liquid crystal layer disposed between the first glass and the second glass and adjusts an amount of the light passing therethrough, and a second liquid crystal layer which is disposed between the second glass and the first liquid crystal layer and realizes the 3D image, wherein, in response to the display panel realizing the 3D image, the second liquid crystal layer is alternately arranged according to a first liquid crystal arrangement which corresponds to a first polarization direction and a second liquid crystal arrangement which corresponds to a second polarization direction which is different from the first polarization direction, so that images passing through the second liquid crystal layer are alternately polarized in the first polarization direction and the second polarization direction.Type: ApplicationFiled: January 24, 2013Publication date: November 14, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung-jin CHO, Young-chol LEE, Nae-won JANG, Hyeong-sik CHOI
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Publication number: 20130242612Abstract: A light guide panel (LGP) is provided, which includes a front surface, a rear surface, and four edge surfaces, in which rays of light emitted from light sources are introduced through at least one of the four edge surfaces, a plurality of lenticular patterns formed on one of the front surface and the rear surface, and a plurality of light emitting patterns which induce the rays of light emitted from the light sources toward the front surface. The plurality of light emitting patterns are integrally formed with the plurality of lenticular patterns.Type: ApplicationFiled: February 21, 2013Publication date: September 19, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-hee LEE, Do-hyeon BAEK, Kil-hong LEE, Young-chol LEE, Myung-ryul JUNG, Kun-ho CHO, Byoung-jin CHO, Hyeong-sik CHOI, Sin-wook HYUNG
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Publication number: 20130201663Abstract: A supporting member usable with a backlight unit of an image display apparatus includes a supporting portion that is formed of a transparent material, is disposed below the diffuser plate to support the diffuser plate, and has a first end being in contact with the diffuser plate; and a base that is formed at a second end of the supporting portion and fixes the supporting portion to an under chassis of the backlight unit.Type: ApplicationFiled: September 14, 2012Publication date: August 8, 2013Applicant: SAMSUNG ELECTRONIC CO., LTD.Inventors: Byoung-jin CHO, Young-chol LEE, Hyung-chul KIM, Heong-seog LEE, Hyeong-sik CHOI
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Publication number: 20130114020Abstract: Provided are a liquid crystal panel assembly having no light guide plate (LGP) and a liquid crystal display apparatus. The liquid crystal panel assembly includes: a light source which generates light; a liquid crystal panel which displays the light generated from the light source as an image; at least one optical film disposed at a rear of the liquid crystal panel; a reflector sheet which is disposed at a rear of the optical film and reflects the light from the light source toward the optical film; a reflector which concentrates the light from the light source; an upper chassis and a lower chassis which house the light source, the liquid crystal panel, the optical film, the reflector sheet, and the reflector therebetween; and a middle chassis installed between the upper chassis and the lower chassis, wherein the reflector and the middle chassis form a single body.Type: ApplicationFiled: July 24, 2012Publication date: May 9, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung-jin CHO, Young-chol LEE, Jun-seok AN, Nae-won JANG, Myung-ryul JUNG, Hyeong-sik CHOI
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Publication number: 20130114023Abstract: A liquid crystal panel assembly is provided, which includes a liquid crystal panel displaying an image, a light source unit arranged on a side of the liquid crystal panel, an optical sheet unit arranged in the rear of the liquid crystal panel, a reflection sheet arranged to be spaced apart from the optical sheet unit, a light scattering unit arranged adjacent to the light source unit, where the light scattering unit scatters light such that at least some of the light emitted from the light source unit is incident toward the reflection sheet, and a pattern member arranged on the reflection sheet, the pattern member including a pattern of repeating optical shapes.Type: ApplicationFiled: September 14, 2012Publication date: May 9, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung-jin CHO, Young-chol LEE, Sang-eun LEE, Myung-ryul JUNG, Hyeong-sik CHOI
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Publication number: 20130044269Abstract: An LGP-less liquid crystal panel assembly includes at least one light source generating light; a liquid crystal panel displaying the light generated from the light source, as an image; at least one optical film arranged behind the liquid crystal panel; an upper chassis and a lower chassis accommodating the light source, the liquid crystal panel, and the optical film; and at least one tension member applying tension to the optical film so as to prevent the optical film from drooping.Type: ApplicationFiled: April 6, 2012Publication date: February 21, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung-jin CHO, Young-chol LEE, Hyeong-sik CHOI, Nae-won JANG, Sang-eun LEE
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Publication number: 20120300139Abstract: A planar lighting apparatus, liquid crystal display having the same and a television having the same are provided. The planar lighting apparatus includes a reflection sheet; a prism sheet which is spaced apart from the reflection sheet, and which includes a prism pattern on a surface of the prism sheet facing the reflection sheet; and a light source which emits light toward a space between the reflection sheet and the prism sheet and is disposed on at least one side of the space, wherein the prism pattern has a shape which reflects the light emitted from the light source.Type: ApplicationFiled: May 25, 2012Publication date: November 29, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-eun LEE, Young-chol LEE, Nae-won JANG, Hyeong-sik CHOI
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Patent number: 8226242Abstract: Provided is a compact projection display with high throughput. The projection display includes: an illumination unit which irradiates a plurality of single color light beams; a first scanner scanning the plurality of light beams irradiated from the illumination unit along a first direction; a light modulator with a linear array of micro-electromechanical system (MEMS) devices that are arranged parallel to the first direction; an F-? lens disposed between the first scanner and the light modulator and having a first entrance pupil and a second entrance pupil; and a second scanner disposed opposite to the second entrance pupil of the F-? lens and which scans a light beam passing through the second entrance pupil of the F-? lens on a screen along a second direction that is orthogonal to the first direction.Type: GrantFiled: August 13, 2007Date of Patent: July 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Kirill Sokolov, Dae-sik Kim, Young-chol Lee, Alexei Borodouline
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Patent number: 8106928Abstract: An image display method of improving brightness of an output image in an image display device using a sequential driving method and a plurality of single-color light sources. The image display method includes extracting a white color component from the primary color image signals, calculating a period to display the white color component, converting the primary color image signals into shortened primary color image signals and a white color image signal based on the period to display the white color component, and driving the single-color light sources together during a period to display the white color image signal and sequentially driving the single-color light sources during a period to display the shortened primary color image signals. The brightness of output images is improved by displaying the white color image signal by simultaneously driving the single-color light sources based on a ratio of a lowest gradient to a highest gradient of the primary color signals.Type: GrantFiled: April 19, 2005Date of Patent: January 31, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Won-yong Lee, Young-chol Lee, Kye-hoon Lee