Patents by Inventor Wook-jae Jeon
Wook-jae Jeon 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: 11187934Abstract: The present disclosure relates to a display apparatus including a liquid crystal panel, first and second polarizing plates coupled to the front and rear of the liquid crystal panel, respectively, and a light absorbing layer on which light passed sequentially through the first polarizing plate, the liquid crystal panel is incident, wherein the light absorbing layer is disposed on a front surface of the second polarizing plate positioned in the front of the liquid crystal panel. The light absorbing layer includes a first resin layer, a second resin layer on which light passed through the first resin layer is incident, the second resin layer having a refractive index higher than that of the first resin layer, and light absorbing portions disposed on the first resin layer and configured to absorb a part of light passing through the light absorbing layer. Through this configuration, a viewing angle of the display apparatus is improved.Type: GrantFiled: October 18, 2018Date of Patent: November 30, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ii Yong Jung, Wook-Jae Jeon, Young Chul Lee, Jun Sung Choi
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Patent number: 10942391Abstract: There is provided a display apparatus with an improved viewing angle. The display apparatus includes a display panel configured to receive light from a light source module, wherein the display panel includes: a liquid crystal panel; a first polarizing plate positioned on a rear side of the liquid crystal panel and a second polarizing plate positioned on a front side of the liquid crystal panel; and an optical layer positioned on a front surface of the second polarizing plate, wherein the optical layer includes: a resin layer having a first refractive index, and including an accommodating groove in which a light adjusting portion is disposed, the resin layer further including a light refractive pattern protruding toward a rear direction of the display panel; and an adhesive layer having a second refractive index different from the first refractive index, and bonding the resin layer with the second polarizing plate.Type: GrantFiled: October 22, 2019Date of Patent: March 9, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Hyung Jin Lee, Wook Jae Jeon, Young Chol Lee, Ju Hyun Lee, Tae Young Lee, Seung Hun Chae, Jun Sung Choi
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Patent number: 10928666Abstract: Provided is a display device with enhanced uniformity of brightness. The display device includes a display panel, and a backlight unit configured to supply light to the display panel, wherein the display panel includes a liquid crystal panel with first and second surfaces opposite to each other, a first polarizing plate arranged on the first surface of the liquid crystal panel, a second polarizing plate arranged on the second surface of the liquid crystal panel, a light absorbing layer arranged on the second polarizing plate to absorb a portion of the light supplied from the backlight unit, and a light absorbing material included in the light absorbing layer to absorb light of particular wavelengths.Type: GrantFiled: October 19, 2018Date of Patent: February 23, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Chol Lee, Wook-Jae Jeon, Il Yong Jung
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Patent number: 10890800Abstract: A display apparatus includes a light emitting module to emit light; a first prism sheet provided on the light emitting module; a reflective polarizing sheet provided on the first prism sheet to transmit first polarized light of the light exiting the first prism sheet and reflect second polarized light of the light exiting the first prism sheet; a second prism sheet provided on the reflective polarizing sheet; and a liquid crystal panel provided on the second prism sheet, the liquid crystal panel including a liquid crystal cell, a first polarizing sheet provided on a first side the liquid crystal cell, and a second polarizing sheet provided between the second prism sheet and a second side of the liquid crystal cell, wherein the second prism sheet is configured to control a transmission angle at which the light exiting the reflective polarizing sheet is transmitted by the liquid crystal cell.Type: GrantFiled: October 3, 2019Date of Patent: January 12, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Chol Lee, Wook Jae Jeon, Nam Seok Roh, Kwan Sik Min
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Patent number: 10818209Abstract: A display apparatus includes a display panel receiving light from a light source. The display panel includes a liquid crystal panel, first and second polarizers respectively disposed on front and rear sides of the liquid crystal panel, and an optical layer disposed on a front surface of the second polarizer. The optical layer includes a first resin layer having light absorption portions for absorbing a portion of incident light, a second resin layer disposed on a front surface of the first resin layer, the second resin layer having a higher refractive index than the first resin layer, the second resin layer having light diffusion portions for diffusing light not absorbed by the light absorption portions.Type: GrantFiled: October 9, 2018Date of Patent: October 27, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Chol Lee, Wook-Jae Jeon, Tae Ik Kim, Il Yong Jung, Byoung-Jin Cho, Jun Sung Choi
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Publication number: 20200249522Abstract: The present disclosure relates to a display apparatus including a liquid crystal panel, first and second polarizing plates coupled to the front and rear of the liquid crystal panel, respectively, and a light absorbing layer on which light passed sequentially through the first polarizing plate, the liquid crystal panel is incident, wherein the light absorbing layer is disposed on a front surface of the second polarizing plate positioned in the front of the liquid crystal panel. The light absorbing layer includes a first resin layer, a second resin layer on which light passed through the first resin layer is incident, the second resin layer having a refractive index higher than that of the first resin layer, and light absorbing portions disposed on the first resin layer and configured to absorb a part of light passing through the light absorbing layer. Through this configuration, a viewing angle of the display apparatus is improved.Type: ApplicationFiled: October 18, 2019Publication date: August 6, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Il Young JUNG, Wook-Jae JEON, Young Chul LEE, Jun Sung CHOI
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Publication number: 20200133062Abstract: There is provided a display apparatus with an improved viewing angle. The display apparatus includes a display panel configured to receive light from a light source module, wherein the display panel includes: a liquid crystal panel; a first polarizing plate positioned on a rear side of the liquid crystal panel and a second polarizing plate positioned on a front side of the liquid crystal panel; and an optical layer positioned on a front surface of the second polarizing plate, wherein the optical layer includes: a resin layer having a first refractive index, and including an accommodating groove in which a light adjusting portion is disposed, the resin layer further including a light refractive pattern protruding toward a rear direction of the display panel; and an adhesive layer having a second refractive index different from the first refractive index, and bonding the resin layer with the second polarizing plate.Type: ApplicationFiled: October 22, 2019Publication date: April 30, 2020Inventors: Hyung Jin LEE, Wook Jae JEON, Young Chol LEE, Ju Hyun LEE, Tae Young LEE, Seung Hun CHAE, Jun Sung CHOI
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Publication number: 20200110304Abstract: A display apparatus includes a light emitting module to emit light; a first prism sheet provided on the light emitting module; a reflective polarizing sheet provided on the first prism sheet to transmit first polarized light of the light exiting the first prism sheet and reflect second polarized light of the light exiting the first prism sheet; a second prism sheet provided on the reflective polarizing sheet; and a liquid crystal panel provided on the second prism sheet, the liquid crystal panel including a liquid crystal cell, a first polarizing sheet provided on a first side the liquid crystal cell, and a second polarizing sheet provided between the second prism sheet and a second side of the liquid crystal cell, wherein the second prism sheet is configured to control a transmission angle at which the light exiting the reflective polarizing sheet is transmitted by the liquid crystal cell.Type: ApplicationFiled: October 3, 2019Publication date: April 9, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Chol LEE, Wook Jae JEON, Nam Seok ROH, Kwan Sik MIN
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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: 10393939Abstract: A display apparatus includes: a display panel; a light source package configured to supply light; and a light guide plate configured to receive the light supplied by the light source package and guide the light to the display panel. The light source package includes: a light source configured to generate the light; a first reflector disposed around the light source; a light converter disposed between the light source and the light guide plate, the light converter being configured to convert properties of the light directed toward the light guide plate; and a second reflector protruding from the light converter toward the light source, the second reflector being configured to reflect the light generated by the light source toward the first reflector, and to reflect light reflected by the light converter toward the light guide plate.Type: GrantFiled: September 21, 2017Date of Patent: August 27, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wook-Jae Jeon, Young Chol Lee, Nae-Won Jang, Seung Hun Chae, Jun Sung Choi
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Publication number: 20190121174Abstract: Provided is a display device with enhanced uniformity of brightness. The display device includes a display panel, and a backlight unit configured to supply light to the display panel, wherein the display panel includes a liquid crystal panel with first and second surfaces opposite to each other, a first polarizing plate arranged on the first surface of the liquid crystal panel, a second polarizing plate arranged on the second surface of the liquid crystal panel, a light absorbing layer arranged on the second polarizing plate to absorb a portion of the light supplied from the backlight unit, and a light absorbing material included in the light absorbing layer to absorb light of particular wavelengths.Type: ApplicationFiled: October 19, 2018Publication date: April 25, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Chol LEE, Wook-Jae JEON, Il Yong JUNG
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Publication number: 20190122597Abstract: A display apparatus includes a display panel receiving light from a light source. The display panel includes a liquid crystal panel, first and second polarizers respectively disposed on front and rear sides of the liquid crystal panel, and an optical layer disposed on a front surface of the second polarizer. The optical layer includes a first resin layer having light absorption portions for absorbing a portion of incident light, a second resin layer disposed on a front surface of the first resin layer, the second resin layer having a higher refractive index than the first resin layer, the second resin layer having light diffusion portions for diffusing light not absorbed by the light absorption portions.Type: ApplicationFiled: October 9, 2018Publication date: April 25, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young Chol LEE, Wook-Jae JEON, Tae Ik KIM, Il Yong JUNG, Byoung-Jin CHO, Jun Sung CHOI
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Publication number: 20180156959Abstract: A display apparatus includes: a display panel; a light source package configured to supply light; and a light guide plate configured to receive the light supplied by the light source package and guide the light to the display panel. The light source package includes: a light source configured to generate the light; a first reflector disposed around the light source; a light converter disposed between the light source and the light guide plate, the light converter being configured to convert properties of the light directed toward the light guide plate; and a second reflector protruding from the light converter toward the light source, the second reflector being configured to reflect the light generated by the light source toward the first reflector, and to reflect light reflected by the light converter toward the light guide plate.Type: ApplicationFiled: September 21, 2017Publication date: June 7, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wook-Jae JEON, Young Chol LEE, Nae-Won JANG, Seung Hun CHAE, Jun Sung CHOI
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Publication number: 20180088413Abstract: 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: ApplicationFiled: September 14, 2017Publication date: March 29, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae-Won JANG, Young Chol LEE, Byoung-Jin CHO, Wook-Jae JEON, Seung Hun CHAE
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Publication number: 20170205645Abstract: A display apparatus having a backlight unit and a display panel is disclosed. The display panel includes: a first electrode unit having a common electrode; a second electrode unit having a different polarity from the first electrode unit, and configured to include a plurality of pixel electrodes each forming an electric field using electric force of the first electrode unit; an insulator disposed between the first electrode unit and the second electrode unit so as to achieve electric insulation between the first electrode unit and the second electrode unit; and a liquid crystal unit located adjacent to the insulator in a manner that several pixel electrodes of the second electrode unit are inserted in the liquid crystal unit. The length or height of the pixel electrodes of the second electrode unit is ? or higher of the length or height of the liquid crystal unit.Type: ApplicationFiled: January 12, 2017Publication date: July 20, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Ki Hyung KANG, Jeong Ho Lee, Bortnichenko Maria, Kwak Sik Min, Wook-Jae Jeon
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Publication number: 20160306087Abstract: A display apparatus including a polarizing member attached to a rear surface of a transparent panel in front of a display panel. Accordingly, external light incident thereon is reflected by the polarizing member, thereby improving the aesthetic quality of the display apparatus.Type: ApplicationFiled: April 20, 2016Publication date: October 20, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wook-Jae JEON, Eun IL CHO, Go Hyun KIM, Jun Sung CHOI
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Publication number: 20150261384Abstract: Provided is a touch recognition device and a display apparatus using the same. The touch recognition device includes: an image screen configured to display an image; a light source configured to emit light toward the image screen; a camera provided in the rear of the image screen and configured to detect at least one of infrared reflected and input from an object approaching or contacting the image screen; and a diffusion transmitter provided between the image screen and the camera, configured to diffuse the emitted light in response to the light source emitting the light, and configured to transmit the infrared in response to the light source emitting no light.Type: ApplicationFiled: March 11, 2015Publication date: September 17, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-hyun SOHN, Wook-jae JEON
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Publication number: 20150261079Abstract: A method for manufacturing a light-absorbing film is provided, where the light-absorbing film absorbs external light incident on a reflection surface of a reflection-type screen. The method includes forming a dye layer by spreading dye, including a light absorbing material, on a surface of a first transparent film, laminating a second transparent film on the dye layer, forming a cylindrical film roll by winding the first and second transparent films, laminated on the dye layer, around a core, and forming a film member by slicing the film roll along a direction that is inclined with respect to a radial direction of the film roll.Type: ApplicationFiled: October 9, 2014Publication date: September 17, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wook-jae JEON, Jean HUR, Sang-hyun SOHN
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Patent number: 8905555Abstract: An image projection apparatus is provided, which includes an illumination unit which generates illumination light, a first prism which receives the illumination light from the illumination unit and performs total reflection of the illumination light, a reflection mirror which receives the illumination light from the first prism and reflects the illumination light, an image forming unit which forms an image from the illumination light that is reflected from the reflection mirror, and a second prism which performs total reflection of the image that is formed by the image forming unit toward a screen.Type: GrantFiled: May 22, 2012Date of Patent: December 9, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Wook-jae Jeon, Jong-hoi Kim
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Patent number: 8711475Abstract: A projection screen is provided, which includes a reflective layer having plural reflective patterns which are spaced apart from one another and each of which includes an image reflective surface having an inclination angle against a horizontal direction so as to guide an image light toward a front of the screen, and plural external light absorption layers absorbing external lights incident to the screen.Type: GrantFiled: April 16, 2012Date of Patent: April 29, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Wook-jae Jeon, Sang-hyun Sohn, Jeong-ho Nho