Patents by Inventor Byoung-jin CHO

Byoung-jin CHO 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: 20150261043
    Abstract: 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: Application
    Filed: March 13, 2015
    Publication date: September 17, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Eun LEE, Dae Hee LEE, Young Chol LEE, Byoung Jin CHO
  • Patent number: 9128326
    Abstract: 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: Grant
    Filed: September 14, 2012
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-jin Cho, Young-chol Lee, Hyung-chul Kim, Heong-seog Lee, Hyeong-sik Choi
  • Patent number: 9122100
    Abstract: A display module includes a display panel; a backlight unit which is disposed behind the display panel and configured to emit light toward the display panel; a bottom chassis configured to accommodate the backlight unit; and a reflective sheet which is disposed inside the bottom chassis and configured to reflect a light portion incident thereon toward the display panel. The reflective sheet includes a sheet bottom portion corresponding to a front surface of the bottom chassis, a sheet inclined portion which is obliquely formed to face a rear surface of the display panel, and a light adjustment portion which is provided on the sheet inclined portion and configured to adjust the light portion reflected by the sheet inclined portion.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: September 1, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung Jin Cho, Young Man Ahn, Dae Hee Lee, Nae Won Jang, Hyeong Sik Choi
  • Patent number: 9081228
    Abstract: 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: Grant
    Filed: March 18, 2013
    Date of Patent: July 14, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nae-won Jang, Sang-eun Lee, Young-chol Lee, Byoung-jin Cho, Hyeong-sik Choi, Ju-seong Hwang
  • Publication number: 20150002778
    Abstract: Disclosed is a display device which includes a liquid crystal display configured to display an image, a plurality of backlights which are disposed in a rear area of the liquid crystal display and comprise a plurality of point light sources, a bottom chassis on which the backlights are disposed, and a plurality of reflective devices which are mounted on the bottom chassis and reflect light, which is emitted from a plurality of light sources disposed at corners of the bottom chassis and diffused in a sideward direction, toward the corners of the bottom chassis so as to secure a sufficient amount of light at the corners of the bottom chassis.
    Type: Application
    Filed: June 10, 2014
    Publication date: January 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nae Won JANG, Young Man AHN, Dae Hee LEE, Byoung Jin CHO, Hyeong Sik CHOI
  • Publication number: 20140368764
    Abstract: 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: Application
    Filed: June 18, 2014
    Publication date: December 18, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-eun LEE, Young-chol LEE, Nae-won JANG, Byoung-jin CHO
  • Publication number: 20140286000
    Abstract: 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: Application
    Filed: March 20, 2014
    Publication date: September 25, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byoung Jin Cho, Young Chol Lee, Young Man Ahn, Joon Seok Ahn, Nae Won Jang, Hyeong Sik Choi
  • Publication number: 20140211121
    Abstract: A display module includes a display panel; a backlight unit which is disposed behind the display panel and configured to emit light toward the display panel; a bottom chassis configured to accommodate the backlight unit; and a reflective sheet which is disposed inside the bottom chassis and configured to reflect a light portion incident thereon toward the display panel. The reflective sheet includes a sheet bottom portion corresponding to a front surface of the bottom chassis, a sheet inclined portion which is obliquely formed to face a rear surface of the display panel, and a light adjustment portion which is provided on the sheet inclined portion and configured to adjust the light portion reflected by the sheet inclined portion.
    Type: Application
    Filed: January 29, 2014
    Publication date: July 31, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byoung Jin CHO, Young Man AHN, Dae Hee LEE, Nae Won JANG, Hyeong Sik CHOI
  • Publication number: 20140211123
    Abstract: A display module includes a display panel, a diffusion plate, a bottom chassis, and a transparent spacer made having a diffusion pattern formed thereon disposed on the bottom chassis to support the diffusion plate.
    Type: Application
    Filed: January 31, 2014
    Publication date: July 31, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Hee LEE, Young Man AHN, Nae Won JANG, Byoung Jin CHO, Hyeong Sik CHOI
  • Publication number: 20140111736
    Abstract: 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: Application
    Filed: October 23, 2013
    Publication date: April 24, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Seok AN, Chan Hong PARK, Young Chol LEE, Byoung Jin CHO, Sung Hwan KIM, Jee Su PARK
  • Publication number: 20130329164
    Abstract: 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: Application
    Filed: March 18, 2013
    Publication date: December 12, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nae-won JANG, Sang-eun LEE, Young-chol LEE, Byoung-jin CHO, Hyeong-sik CHOI, Ju-seong HWANG
  • Publication number: 20130300955
    Abstract: 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: Application
    Filed: January 24, 2013
    Publication date: November 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-jin CHO, Young-chol LEE, Nae-won JANG, Hyeong-sik CHOI
  • Publication number: 20130242612
    Abstract: 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: Application
    Filed: February 21, 2013
    Publication date: September 19, 2013
    Applicant: 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
  • Publication number: 20130201663
    Abstract: 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: Application
    Filed: September 14, 2012
    Publication date: August 8, 2013
    Applicant: SAMSUNG ELECTRONIC CO., LTD.
    Inventors: Byoung-jin CHO, Young-chol LEE, Hyung-chul KIM, Heong-seog LEE, Hyeong-sik CHOI
  • Publication number: 20130114023
    Abstract: 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: Application
    Filed: September 14, 2012
    Publication date: May 9, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-jin CHO, Young-chol LEE, Sang-eun LEE, Myung-ryul JUNG, Hyeong-sik CHOI
  • Publication number: 20130114020
    Abstract: 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: Application
    Filed: July 24, 2012
    Publication date: May 9, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-jin CHO, Young-chol LEE, Jun-seok AN, Nae-won JANG, Myung-ryul JUNG, Hyeong-sik CHOI
  • Publication number: 20130044269
    Abstract: 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: Application
    Filed: April 6, 2012
    Publication date: February 21, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-jin CHO, Young-chol LEE, Hyeong-sik CHOI, Nae-won JANG, Sang-eun LEE