Patents by Inventor Jun-Mo Yoo
Jun-Mo Yoo 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: 20240099045Abstract: Provided are an electroluminescent device, a method of manufacturing the same, and a display device including the same, the electroluminescent device including a first electron auxiliary layer, a first light emitting layer, and a first electrode disposed on a first surface of a transparent electrode; and a second electron auxiliary layer, a second light emitting layer, and a second electrode disposed on a second surface of the transparent electrode, wherein the first electron auxiliary layer and the second electron auxiliary layer each include a plurality of zinc oxide nanoparticles, a ratio (t1/t0) of a thickness (t1) of the first electron auxiliary layer to a thickness (t0) of the transparent electrode and a ratio (t2/t0) of a thickness (t2) of the second electron auxiliary layer to the thickness (t0) of the transparent electrode are each in the range of about 0.1 to about 4.0.Type: ApplicationFiled: September 13, 2023Publication date: March 21, 2024Inventors: Heejae LEE, Tae Ho KIM, Jun-Mo YOO, Ilyoung LEE, Shin Ae JUN, Dae Young CHUNG, Moon Gyu HAN
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Publication number: 20230287231Abstract: A quantum dot ink composition including a plurality of quantum dots, and a mixed solvent including a Solvent a and a Solvent b, a quantum dot electroluminescent device including a light emitting layer formed from the quantum dot composition, and a method of making the quantum dot electroluminescent device are provided, where Solvent a is a cycloalkane compound with at least one ring carbon having a linear C4 to C16 alkyl group, an aromatic hydrocarbon compound having a linear C2 to C12 alkyl group, or a combination thereof, and Solvent b is a fluorinated alcohol.Type: ApplicationFiled: March 8, 2023Publication date: September 14, 2023Inventors: Hiroko ENDO, Keigo FURUTA, Takao MOTOYAMA, Yukika YAMADA, Tomoyuki KIKUCHI, Eun Joo JANG, Hyo Sook JANG, Jun-Mo YOO, Tae Ho KIM, Yuho WON
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Publication number: 20230257607Abstract: A quantum dot ink composition including a plurality of quantum dots, and a mixed solvent including a Solvent a and a Solvent b, the ink composition having a surface tension of about 30 mN/m to about 40 mN/m, where Solvent a is a cycloalkane compound with at least one ring carbon having a linear C4 to C16 alkyl group, and Solvent b is an aromatic hydrocarbon compound having a linear C2 to C12 alkyl group. A quantum dot electroluminescent device including a light emitting layer formed from the quantum dot composition.Type: ApplicationFiled: February 15, 2023Publication date: August 17, 2023Inventors: Keigo FURUTA, Hiroko ENDO, Takao MOTOYAMA, Yukika YAMADA, Tomoyuki KIKUCHI, Eun Joo JANG, Hyo Sook JANG, Jun-Mo YOO, Tae Ho KIM, Yuho WON
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Publication number: 20220140272Abstract: A light emitting device and a production method thereof. The light emitting device includes a light emitting layer including a plurality of quantum dots, and an electron auxiliary layer disposed on the light emitting layer, the electron auxiliary layer configured to transport electrons, inject electrons into the light emitting layer, or a combination thereof, wherein the electron auxiliary layer includes a plurality of metal oxide nanoparticles and a nitrogen-containing metal complex. The metal oxide nanoparticles include zinc and optionally a dopant metal, the dopant metal includes Mg, Co, Ga, Ca, Zr, W, Li, Ti, Y, Al, Co, or a combination thereof and a mole ratio of nitrogen to zinc in the electron auxiliary layer is greater than or equal to about 0.001:1.Type: ApplicationFiled: November 1, 2021Publication date: May 5, 2022Inventors: Hyo Sook JANG, Eun Joo JANG, Ilyoung LEE, Tae Ho KIM, Kun Su PARK, Jun-Mo YOO
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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: 10663648Abstract: A display apparatus includes: a display panel; and a backlight configured to supply light to the display panel, wherein the backlight includes a light source configured to emit light; and a light guide plate provided on a rear side of the display panel and configured to guide the light emitted by the light source toward to the display panel; and a plurality of optical sheets provided between the light guide plate and the display panel, an optical sheet of the plurality of optical sheets being attached to a front surface of the light guide plate.Type: GrantFiled: September 14, 2018Date of Patent: May 26, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-Mo Yoo, Joon Seok Ahn, Kye Hoon Lee
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Patent number: 10473960Abstract: The present invention relates to a display apparatus that does not include a middle mold and a rear chassis, and is capable of supporting an internal configuration of a display apparatus such as a display panel and a light guide plate with only a front chassis and a rear cover. It is possible to effectively dissipate heat by including a separate heat sink. In addition, heat generated from the electrical component substrate can be dissipated through the plate coupled to the electrical component substrate, the electromagnetic wave can be shielded, and the heat sink and the plate can be connected to improve the heat dissipation and electromagnetic wave shielding efficiency.Type: GrantFiled: April 4, 2017Date of Patent: November 12, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joon Seok Ahn, Jun-Mo Yoo
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Patent number: 10424691Abstract: There is provided a display apparatus and a method of manufacturing the same. The display apparatus includes: a quantum dot unit or a quantum dot sheet capable of improving heat dissipation performance. A wire with high heat transfer rate is provided in the quantum dot unit or the quantum dot sheet, and the wire is connected to the bottom chassis of the display apparatus so as to dissipate heat generated in the quantum dot.Type: GrantFiled: September 21, 2017Date of Patent: September 24, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae-Won Jang, Jean Hur, Tae Soon Park, Jun-Mo Yoo
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Patent number: 10302849Abstract: A display apparatus includes: a display panel; a plurality of light sources configured to generate light to be transferred to the display panel; a light guide plate including a side surface onto which light generated by the plurality of light sources is incident, and a light exit surface through which the light is transmitted to the display panel; a light converter disposed between the plurality of light sources and the side surface of the light guide plate, the light converter being configured to convert a property of the light generated by the plurality of light sources; and a heat dissipation holder which accommodates the light converter, the heat dissipation holder being configured to dissipate heat generated by the plurality of light sources and the light converter.Type: GrantFiled: October 30, 2017Date of Patent: May 28, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Jun-Mo Yoo
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Patent number: 10261231Abstract: A display apparatus including a round portion is provided. The display apparatus includes: a display panel; a light guide plate configured to guide light toward the display panel, the light guide plate comprising a flat portion and a round portion; and a printed circuit board (PCB) including a first area configured to radiate light toward the round portion, and a second area configured to radiate light toward the flat portion, wherein a width of the first area is less than a width of the second area.Type: GrantFiled: September 18, 2017Date of Patent: April 16, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Jun-Mo Yoo
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Publication number: 20190086608Abstract: A display apparatus includes: a display panel; and a backlight configured to supply light to the display panel, wherein the backlight includes a light source configured to emit light; and a light guide plate provided on a rear side of the display panel and configured to guide the light emitted by the light source toward to the display panel; and a plurality of optical sheets provided between the light guide plate and the display panel, an optical sheet of the plurality of optical sheets being attached to a front surface of the light guide plate.Type: ApplicationFiled: September 14, 2018Publication date: March 21, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-Mo YOO, Joon Seok AHN, Kye Hoon LEE
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Patent number: 10226124Abstract: There is provided a wall mounting device for mounting a display apparatus on a wall, the wall mounting device including: a display apparatus coupling unit coupled with a central portion of the display apparatus along a first direction and including a plurality of locking parts arranged in a second direction, the second direction being substantially perpendicular to the first direction; and a wall coupling unit configured to be coupled with the wall and including a plurality of supporting sections arranged along the second direction configured to support the plurality of locking parts.Type: GrantFiled: April 8, 2016Date of Patent: March 12, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joon Seok Ahn, Hee-Bong Kim, Jun-Mo Yoo
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Patent number: 10126591Abstract: Provided is a display apparatus without a front chassis or a bezel. A front frame is provided on at least one side of a display panel to hide a chip-on-film and a printed circuit board coupled to the display panel that would be otherwise exposed to the outside. A front surface of the front frame may have a color and light reflectivity corresponding to those of a non-display area of the display panel. Thus, the display panel and the front frame may appear to be integrally formed. Accordingly, a bezel-less display apparatus, in which no bezel is formed around the display panel, may be achieved.Type: GrantFiled: September 12, 2017Date of Patent: November 13, 2018Assignee: SAMSUNG ELECTONICS CO., LTD.Inventors: Jun-Mo Yoo, Jean Hur
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Patent number: 10120237Abstract: The present disclosure relates to a display apparatus that reflects light emitted from a light source to a display panel side through a reflecting member without having a configuration corresponding to a light guide plate, in which light emitted from a light source substantially uniformly reaches a reflecting member, a corner member may be disposed on the corner side of the cover member where the light source module is not disposed so that the light incident on the corner side is reflected toward the display panel side to irradiate light to the display panel side.Type: GrantFiled: June 8, 2017Date of Patent: November 6, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Jun-Mo Yoo
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Patent number: 10041653Abstract: A backlight unit for a display apparatus is disclosed. For example, the backlight unit including an integrated support for a display apparatus is disclosed. A disclosed example provides the backlight unit for a display apparatus including the integrated support which enables a thin display apparatus using the backlight unit including the integrated support.Type: GrantFiled: December 21, 2015Date of Patent: August 7, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Joon Seok Ahn, Jun-Mo Yoo
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Publication number: 20180156968Abstract: A display apparatus includes: a display panel; a plurality of light sources configured to generate light to be transferred to the display panel; a light guide plate including a side surface onto which light generated by the plurality of light sources is incident, and a light exit surface through which the light is transmitted to the display panel; a light converter disposed between the plurality of light sources and the side surface of the light guide plate, the light converter being configured to convert a property of the light generated by the plurality of light sources; and a heat dissipation holder which accommodates the light converter, the heat dissipation holder being configured to dissipate heat generated by the plurality of light sources and the light converter.Type: ApplicationFiled: October 30, 2017Publication date: June 7, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Jun-Mo YOO
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Publication number: 20180158983Abstract: There is provided a display apparatus and a method of manufacturing the same. The display apparatus includes: a quantum dot unit or a quantum dot sheet capable of improving heat dissipation performance. A wire with high heat transfer rate is provided in the quantum dot unit or the quantum dot sheet, and the wire is connected to the bottom chassis of the display apparatus so as to dissipate heat generated in the quantum dot.Type: ApplicationFiled: September 21, 2017Publication date: June 7, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae-Won JANG, Jean HUR, Tae Soon PARK, Jun-Mo YOO
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Publication number: 20180136516Abstract: Provided is a display apparatus without a front chassis or a bezel. A front frame is provided on at least one side of a display panel to hide a chip-on-film and a printed circuit board coupled to the display panel that would be otherwise exposed to the outside. A front surface of the front frame may have a color and light reflectivity corresponding to those of a non-display area of the display panel. Thus, the display panel and the front frame may appear to be integrally formed. Accordingly, a bezel-less display apparatus, in which no bezel is formed around the display panel, may be achieved.Type: ApplicationFiled: September 12, 2017Publication date: May 17, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-Mo YOO, Jean HUR
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Publication number: 20180120494Abstract: A display apparatus including a round portion is provided. The display apparatus includes: a display panel; a light guide plate configured to guide light toward the display panel, the light guide plate comprising a flat portion and a round portion; and a printed circuit board (PCB) including a first area configured to radiate light toward the round portion, and a second area configured to radiate light toward the flat portion, wherein a width of the first area is less than a width of the second area.Type: ApplicationFiled: September 18, 2017Publication date: May 3, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Jun-Mo YOO
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Patent number: 9947263Abstract: A display apparatus capable of controlling a curvature of a viewing area in which a broadcast image is displayed and a curvature of an area except the viewing area to be different from each other, and a control method of the same. A display apparatus includes a display; and a driving device configured to change a curvature of the display, wherein the driving device may control a curvature of a viewing area and a curvature of a background area to be different from each other.Type: GrantFiled: May 27, 2016Date of Patent: April 17, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kwang Youn Kim, Joon Seok Ahn, Seok Woo Yong, Jun-mo Yoo, Jung Hwa Choi