Patents by Inventor Nae-won Jang
Nae-won Jang 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: 11953783Abstract: Display apparatus includes LEDs, bottom chassis to accommodate the LEDs; and reflective member disposed on the bottom chassis. The reflective member includes a reflective bottom portion, and a reflective inclined portion obliquely formed to face a rear surface of the display panel which includes first regions that respectively correspond to LEDs located adjacent to the reflective inclined portion, and second regions each provided between two neighboring first regions and has a reflective characteristic different from a reflective characteristic of a neighboring first region. Second regions and neighboring first regions are on the reflective inclined portion having a uniform incline angle with respect to a side edge of the reflective bottom portion, the first regions include a group of light adjusting members, and the group of light adjusting members of each of the first regions is disposed to correspond to one of the LEDs disposed adjacent to the reflective inclined portion.Type: GrantFiled: February 28, 2023Date of Patent: April 9, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung Jin Cho, Young Man Ahn, Dae Hee Lee, Nae Won Jang, Hyeong Sik Choi
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Publication number: 20230205007Abstract: Display apparatus includes LEDs, bottom chassis to accommodate the LEDs; and reflective member disposed on the bottom chassis. The reflective member includes a reflective bottom portion, and a reflective inclined portion obliquely formed to face a rear surface of the display panel which includes first regions that respectively correspond to LEDs located adjacent to the reflective inclined portion, and second regions each provided between two neighboring first regions and has a reflective characteristic different from a reflective characteristic of a neighboring first region. Second regions and neighboring first regions are on the reflective inclined portion having a uniform incline angle with respect to a side edge of the reflective bottom portion, the first regions include a group of light adjusting members, and the group of light adjusting members of each of the first regions is disposed to correspond to one of the LEDs disposed adjacent to the reflective inclined portion.Type: ApplicationFiled: February 28, 2023Publication date: June 29, 2023Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Byoung Jin CHO, Young Man AHN, Dae Hee LEE, Nae Won JANG, Hyeong Sik CHOI
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Patent number: 11619846Abstract: Display apparatus includes LEDs, bottom chassis to accommodate the LEDs; and reflective member disposed on the bottom chassis. The reflective member includes a reflective bottom portion, and a reflective inclined portion obliquely formed to face a rear surface of the display panel which includes first regions that respectively correspond to LEDs located adjacent to the reflective inclined portion, and second regions each provided between two neighboring first regions and has a reflective characteristic different from a reflective characteristic of a neighboring first region. Second regions and neighboring first regions are on the reflective inclined portion having a uniform incline angle with respect to a side edge of the reflective bottom portion, the first regions include a group of light adjusting members, and the group of light adjusting members of each of the first regions is disposed to correspond to one of the LEDs disposed adjacent to the reflective inclined portion.Type: GrantFiled: January 5, 2022Date of Patent: April 4, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung Jin Cho, Young Man Ahn, Dae Hee Lee, Nae Won Jang, Hyeong Sik Choi
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Publication number: 20220128863Abstract: Display apparatus includes LEDs, bottom chassis to accommodate the LEDs; and reflective member disposed on the bottom chassis. The reflective member includes a reflective bottom portion, and a reflective inclined portion obliquely formed to face a rear surface of the display panel which includes first regions that respectively correspond to LEDs located adjacent to the reflective inclined portion, and second regions each provided between two neighboring first regions and has a reflective characteristic different from a reflective characteristic of a neighboring first region. Second regions and neighboring first regions are on the reflective inclined portion having a uniform incline angle with respect to a side edge of the reflective bottom portion, the first regions include a group of light adjusting members, and the group of light adjusting members of each of the first regions is disposed to correspond to one of the LEDs disposed adjacent to the reflective inclined portion.Type: ApplicationFiled: January 5, 2022Publication date: April 28, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung Jin CHO, Young Man AHN, Dae Hee LEE, Nae Won JANG, Hyeong Sik CHOI
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Patent number: 11249347Abstract: A display apparatus includes LEDs disposed behind a display panel; a bottom chassis to accommodate the LEDs; and a reflective member disposed on the bottom chassis. The reflective member includes a reflective inclined portion obliquely formed to face a rear surface of the display panel and including first regions that respectively correspond to LEDs located adjacent to the reflective inclined portion, and second regions each of which is provided between two neighboring first regions. The first regions include light adjusting members, and each of the second regions has a reflective characteristic different from a reflective characteristic of a neighboring first region. Each of the first regions includes a group of light adjusting members which is disposed to correspond to one of the LEDs disposed adjacent to the reflective inclined portion. The two neighboring first regions have more light adjusting members, respectively, than one of the second regions disposed therebetween.Type: GrantFiled: September 30, 2020Date of Patent: February 15, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung Jin Cho, Young Man Ahn, Dae Hee Lee, Nae Won Jang, Hyeong Sik Choi
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Patent number: 10928675Abstract: Disclosed is a display apparatus including a display panel; and a light source assembly including: a plurality of first light sources disposed in a first region to supply first light toward the display panel; a light guide plate including: incident surface configured to receive second light; and an exit surface facing the display panel and configured to transmit the second light received from the incident surface of the light guide plate to the display panel; and a plurality of second light sources disposed on a periphery of the first region to supply the second light to the incident surface of the light guide plate.Type: GrantFiled: September 20, 2019Date of Patent: February 23, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Bin Kim, Byoung Jin Cho, Young Chol Lee, Ho Seok Lee, Nae Won Jang, Suk Ju Choi
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Publication number: 20210011341Abstract: A display apparatus includes LEDs disposed behind a display panel; a bottom chassis to accommodate the LEDs; and a reflective member disposed on the bottom chassis. The reflective member includes a reflective inclined portion obliquely formed to face a rear surface of the display panel and including first regions that respectively correspond to LEDs located adjacent to the reflective inclined portion, and second regions each of which is provided between two neighboring first regions. The first regions include light adjusting members, and each of the second regions has a reflective characteristic different from a reflective characteristic of a neighboring first region. Each of the first regions includes a group of light adjusting members which is disposed to correspond to one of the LEDs disposed adjacent to the reflective inclined portion. The two neighboring first regions have more light adjusting members, respectively, than one of the second regions disposed therebetween.Type: ApplicationFiled: September 30, 2020Publication date: January 14, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung Jin CHO, Young Man AHN, Dae Hee LEE, Nae Won JANG, Hyeong Sik CHOI
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Patent number: 10845646Abstract: A display apparatus includes a display panel, LEDs disposed behind the display panel and spaced from the display panel to emit light toward the display panel, a bottom chassis having a rear portion on which the LEDs are disposed, and a reflective member disposed inside the bottom chassis and configured to reflect light incident from the LEDs toward the display panel. The reflective member includes a reflective inclined portion obliquely formed to face a rear surface of side portions of the display panel, first regions that respectively correspond to LEDs located adjacent the reflective inclined portion, and second regions provided between two neighboring first regions respectively and having a reflective characteristic different from a reflective characteristic of at least one among the two neighboring first regions.Type: GrantFiled: September 10, 2019Date of Patent: November 24, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung Jin Cho, Young Man Ahn, Dae Hee Lee, Nae Won Jang, Hyeong Sik Choi
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Patent number: 10809554Abstract: A display apparatus includes a display panel that displays an image, a light source that supplies light to the display panel, a middle mold positioned between the display panel and the light source, and a quantum dot sheet positioned between the display panel and the middle mold that converts a wavelength of light emitted from the light source, and the middle mold includes a color compensator having blue color that provides uniform white light to outside of the display panel.Type: GrantFiled: June 4, 2019Date of Patent: October 20, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yoon Ki Park, Nae Won Jang, Won Yeop Jang, Byoung Jin Cho
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Patent number: 10782463Abstract: A display panel and a display apparatus including the display panel are provided. The display apparatus includes: a display panel; and a backlight unit configured to supply light to the display panel, wherein the display panel includes: a liquid crystal layer; a first polarizing plate disposed between the backlight unit and the liquid crystal layer; and a second polarizing plate facing the first polarizing plate with the liquid crystal layer disposed therebetween, and containing a light absorbing agent for absorbing light of a specific wavelength band, wherein the first polarizing plate includes: a first polarizing layer including a plurality of refracting layers having different refractive indexes; and at least one second polarizing layer disposed on the first polarizing layer.Type: GrantFiled: October 17, 2018Date of Patent: September 22, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae-Won Jang, Byoung-Jin Cho, Seung Jun Jeong
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Patent number: 10775655Abstract: A display apparatus includes a bottom chassis, a display panel provided in front of the bottom chassis, and a cover film configured to cover the display panel and being fixable to the bottom chassis. With this configuration, a bezel may be minimized (e.g., reduced in size) or eliminated, and the display efficiency may be improved.Type: GrantFiled: June 28, 2017Date of Patent: September 15, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Jun-Mo Yoo, Seung Hun Chae, Han Mi Choi, Young Chol Lee, Nae-Won Jang, Jong Pil Jeon, Yong Dok Cha, Jean Hur
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Patent number: 10732338Abstract: The display assembly includes: a light source configured to emit light; a light guide plate disposed to receive light emitted from the light source on a lateral side; and a color transformer disposed proximate to an edge of the light guide plate, and configured to change a color of light incident to the color transformer.Type: GrantFiled: April 19, 2016Date of Patent: August 4, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kye Hoon Lee, Dae Kuen Yang, Nae-won Jang
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Publication number: 20200150491Abstract: Provided are a backlight unit, a display apparatus including the backlight unit and a control method for the display apparatus. The display apparatus includes: a first light source configured to emit first light having a first wavelength; a second light source configured to emit second light having a second wavelength shorter than the first wavelength of the first light; an image signal receiver configured to receive an image signal from an external device; a switching portion configured to operate at least one of the first light source or the second light source; and a controller configured, based on a brightness value of the received image signal, to control the switching portion to selectively allow at least one of the first light source to emit the first light or the second light source to emit the second light.Type: ApplicationFiled: November 5, 2019Publication date: May 14, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae Won JANG, Jeong Shan NA
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Publication number: 20200096823Abstract: Disclosed is a display apparatus including a display panel; and a light source assembly including: a plurality of first light sources disposed in a first region to supply first light toward the display panel; a light guide plate including: incident surface configured to receive second light; and an exit surface facing the display panel and configured to transmit the second light received from the incident surface of the light guide plate to the display panel; and a plurality of second light sources disposed on a periphery of the first region to supply the second light to the incident surface of the light guide plate.Type: ApplicationFiled: September 20, 2019Publication date: March 26, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Bin KIM, Byoung Jin CHO, Young Chol LEE, Ho Seok LEE, Nae Won JANG, Suk Ju CHOI
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Publication number: 20200073177Abstract: A display apparatus includes a display panel, LEDs disposed behind the display panel and spaced from the display panel to emit light toward the display panel, a bottom chassis having a rear portion on which the LEDs are disposed, and a reflective member disposed inside the bottom chassis and configured to reflect light incident from the LEDs toward the display panel. The reflective member includes a reflective inclined portion obliquely formed to face a rear surface of side portions of the display panel, first regions that respectively correspond to LEDs located adjacent the reflective inclined portion, and second regions provided between two neighboring first regions respectively and having a reflective characteristic different from a reflective characteristic of at least one among the two neighboring first regions.Type: ApplicationFiled: September 10, 2019Publication date: March 5, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung Jin CHO, Young Man Ahn, Dae Hee Lee, Nae Won Jang, Hyeong Sik Choi
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Publication number: 20200050046Abstract: A display apparatus includes a display panel that displays an image, a light source that supplies light to the display panel, a middle mold positioned between the display panel and the light source, and a quantum dot sheet positioned between the display panel and the middle mold that converts a wavelength of light emitted from the light source, and the middle mold includes a color compensator having blue color that provides uniform white light to outside of the display panelType: ApplicationFiled: June 4, 2019Publication date: February 13, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yoon Ki PARK, Nae Won JANG, Won Yeop JANG, Byoung Jin CHO
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Patent number: 10558098Abstract: Provided is a display apparatus including a liquid crystal panel and a shutter panel, wherein the shutter panel includes a shutter layer configured to change a polarizing axis of light transmitted through a selected area, a shutter polarizing layer disposed on a front surface of the shutter layer, and configured to transmit light having the polarizing axis changed by the shutter layer, and a quantum rod layer disposed on a rear surface of the shutter layer, and configured to convert a wavelength of light that is incident to the shutter panel, and to transmit light having a polarizing axis of a predetermined direction to the shutter layer. Therefore, the display apparatus may implement a local dimming structure and improve the optical efficiency.Type: GrantFiled: October 25, 2018Date of Patent: February 11, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung Jin Cho, Nae Won Jang, Seung Hun Chae
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Patent number: 10509262Abstract: A display device includes a display panel and a plurality of light source modules arranged in parallel to a rear surface of the display panel to emit light toward the display panel, and a plurality of light source modules provided to be independently operable. A plurality of light source modules includes a modulator configured to guide light, a light source disposed on a rear surface of the modulator to generate light, a reflective member disposed opposite to the light source on a front surface of the modulator and configured to reflect the generated light to inside or the rear surface of the modulator, and a light conversion member disposed on the rear surface of the modulator and configured to convert the wavelength of light guided by the modulator, the light conversion member being formed in a predetermined pattern shape.Type: GrantFiled: June 7, 2018Date of Patent: December 17, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae-Won Jang, Young Chol Lee, Kyung Soo Park, Ho Seok Lee
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Patent number: 10488703Abstract: A display apparatus having enhanced color reproduction, and a display apparatus including a light absorption sheet that absorbs light having a wavelength corresponding to yellow light and/or orange light in the light are provided. The display apparatus includes: a backlight unit; a liquid crystal panel configured to selectively block light emitted from the backlight according to an electric field; and a light absorption sheet disposed on a front side of the liquid crystal panel for absorbing light having a predetermined range of wavelength.Type: GrantFiled: September 14, 2017Date of Patent: November 26, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae-Won Jang, Young Chol Lee, Byoung-Jin Cho, Wook-Jae Jeon, Seung Hun Chae
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Patent number: RE48689Abstract: A display device includes a light source to emit light, a light guide plate on which the light emitted from the light source is incident and which irradiates light through a first and a second surface of the light guide plate, a quantum dot sheet on which the light irradiated through the first surface of the light guide plate is incident and which irradiates blue light, green light and red light, a reflective sheet for reflecting the irradiated light to the light guide plate, and a light-converting material at an edge portion of the light guide plate, the quantum dot sheet and the reflective sheet, for converting the light into a yellow light, green light or red light. The light incident on the quantum dot sheet includes the light emitted from the light source and the yellow light, the green light or the red light.Type: GrantFiled: June 15, 2020Date of Patent: August 17, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byoung-Jin Cho, Dae-hee Lee, Kye Hoon Lee, Nae-Won Jang