Patents by Inventor Beong-Hun Beon
Beong-Hun Beon 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: 20240134102Abstract: A polarization film according to an embodiment includes a first wavelength dispersion layer, and a polarization layer that is disposed on the first wavelength dispersion layer. A wavelength dispersion of the first wavelength dispersion layer satisfies both Relational Expression 1 and Relational Expression 2: [Relational Expression 1] 0.81<DSP 450 nm=R 450 nm/R 550 nm<0.83 [Relational Expression 2] 1.15<DSP 650 nm=R 650 nm/R 550 nm<1.17. In Relational Expression 1 and Relational Expression 2, R(?) denotes a phase difference value in wavelength ?.Type: ApplicationFiled: October 4, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., LTD.Inventors: Duk Jin LEE, Beong-Hun BEON, Je Seon YEON, Woo Suk JUNG
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Publication number: 20240118473Abstract: A display device includes: a display panel and an optical member positioned on the display panel. The optical member includes: a polarization layer positioned on the display panel; a first compensation layer positioned between the display panel and the polarization layer; a second compensation layer positioned between the display panel and the first compensation layer; a third compensation layer positioned between the display panel and the second compensation layer; and a fourth compensation layer positioned between the display panel and the third compensation layer. The first compensation layer is a positive C plate and a thickness direction phase delay value of the first compensation layer is about ?65 nm to about ?15 nm, and the second compensation layer is a positive A plate and an in-plane phase delay value of the second compensation layer is about 75 nm to about 125 nm.Type: ApplicationFiled: July 31, 2023Publication date: April 11, 2024Inventors: Beong-Hun BEON, Je Seon YEON, Duk Jin LEE, Woo Suk JUNG
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Patent number: 11686970Abstract: Provided is a display device including a display panel, a polarizing layer on the display panel and including a linear polarizer having a stretched polymer film, an adhesive member directly on the linear polarizer, and a window on the adhesive member, wherein the adhesive member absorbs 90% or greater of light having a wavelength in a range of about 300 nm to about 380 nm, and may thus effectively protect the polarizing layer from ultraviolet light incident from the outside. In addition, the display device may obtain thinner thickness, thereby exhibiting excellent reliability.Type: GrantFiled: April 29, 2021Date of Patent: June 27, 2023Assignee: Samsung Display Co., Ltd.Inventors: Beong-Hun Beon, Minha Kim, Dukjin Lee, Woosuk Jung
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Publication number: 20230200121Abstract: A display device includes a display unit including: a plurality of light emitting diodes; a touch unit disposed on the display unit and including a touch conductive layer of a mesh type; and a reflection preventing unit disposed on the touch unit and including a polarization layer. The touch conductive layer includes a plurality of first conductive lines extending in a first direction and a plurality of second conductive lines extending in a second direction crossing the first direction, and an angle between the second direction and an absorption axis of the polarization layer is about 5±10°.Type: ApplicationFiled: December 21, 2022Publication date: June 22, 2023Inventors: Duk Jin LEE, Beong-Hun BEON, Tae Yong EOM, Hyo Sung HONG
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Patent number: 11675109Abstract: A display device includes a substrate, a circuit part disposed on the substrate and an encapsulation layer disposed on the circuit pan. An inorganic layer is disposed on the encapsulation layer and includes a groove. An anti-reflection layer is disposed on the inorganic layer. The anti-reflection layer includes a first region that overlaps the groove and a second region that is outside of the first region. The transmittance of the first region and the transmittance of the second region are different from each other.Type: GrantFiled: May 21, 2020Date of Patent: June 13, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Duk Jin Lee, Beong-Hun Beon, Je Seon Yeon, Min Ha Kim
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Publication number: 20230180579Abstract: Systems and methods are described for a display device in which the recognition failure of a fingerprint recognition sensor disposed in a display area without being exposed to the outside is reduced. The display device comprises a display panel; a cover window disposed above the display panel; an optical sensor, wherein at least a part of the optical sensor is disposed under the display panel; and an infrared blocking member disposed between the optical sensor and the cover window and at least a part of which overlaps the optical sensor from above the optical sensor.Type: ApplicationFiled: December 6, 2022Publication date: June 8, 2023Inventors: BEONG HUN BEON, WOO SUK JUNG
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Patent number: 11521420Abstract: Systems and methods are described for a display device in which the recognition failure of a fingerprint recognition sensor disposed in a display area without being exposed to the outside is reduced. The display device comprises a display panel; a cover window disposed above the display panel; an optical sensor, wherein at least a part of the optical sensor is disposed under the display panel; and an infrared blocking member disposed between the optical sensor and the cover window and at least a part of which overlaps the optical sensor from above the optical sensor.Type: GrantFiled: January 22, 2020Date of Patent: December 6, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Beong Hun Beon, Woo Suk Jung
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Publication number: 20220367840Abstract: A light emitting display device includes a display panel including a light emitting area and a non-light emitting area; a phase delay layer disposed on the display panel; and a polarizer and an additional polarizer disposed on the phase delay layer. The display panel includes a transistor disposed on a substrate, an organic film overlapping the transistor and including an opening, a first electrode, an emission layer disposed on the first electrode and disposed corresponding to the light emitting area, and a second electrode disposed, the first electrode, the emission layer, and the second electrode form a light emitting diode (LED), the additional polarizer includes a polarization portion overlapping the opening of the organic film in a plan view and a non-polarization portion disposed in a region where the polarization portion is not disposed, and the polarization portion is disposed in a portion of the non-light emitting area.Type: ApplicationFiled: December 29, 2021Publication date: November 17, 2022Applicant: Samsung Display Co., LTD.Inventors: Duk Jin LEE, Beong-Hun BEON, Hyo Sung HONG
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Publication number: 20220236470Abstract: An optical film comprises a polarizing layer, a first optical compensation layer that is disposed under the polarizing layer and is a biaxial plate, a second optical compensation layer that is disposed under the first optical compensation layer and is a quarter wave plate, and a third optical compensation layer that is disposed under the second optical compensation layer and is a positive C plate. The first optical compensation layer has an optical axis angle of 86 to 94 degrees with respect to a transmission axis of the polarizing layer.Type: ApplicationFiled: December 21, 2021Publication date: July 28, 2022Inventors: HYO SUNG HONG, BEONG HUN BEON, DUK JIN LEE, WOO SUK JUNG
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Patent number: 11307610Abstract: A display device may comprise a display panel including one surface at a front side of the display panel and another surface at a rear side of the display panel, a front stacked structure disposed on the surface of the display panel, and a rear stacked structure disposed on the another surface of the display panel. The front stacked structure may include a polarizing member disposed on the surface of the display panel, and an impact absorbing layer disposed on the polarizing member. The polarizing member may include at least one phase retardation layer disposed on the surface of the display panel, a polarization layer disposed between the at least one phase retardation layer and the impact absorbing layer, and a first polarization protection layer disposed between the polarization layer and the impact absorbing layer.Type: GrantFiled: September 29, 2020Date of Patent: April 19, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Duk Jin Lee, Beong Hun Beon
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Patent number: 11226445Abstract: A display device includes a display module that is folded with respect to a folding axis extending in a first direction, a polarization layer disposed on the display module and having a polarization axis parallel to the first direction, and a phase delay layer disposed on the polarization layer and configured to change linearly polarized light, which passes through the polarization layer, into circularly polarized light.Type: GrantFiled: August 12, 2020Date of Patent: January 18, 2022Assignee: Samsung Display Co., Ltd.Inventors: Beong-hun Beon, Dukjin Lee, Woosuk Jung
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Publication number: 20220011631Abstract: Provided is a display device including a display panel, a polarizing layer on the display panel and including a linear polarizer having a stretched polymer film, an adhesive member directly on the linear polarizer, and a window on the adhesive member, wherein the adhesive member absorbs 90% or greater of light having a wavelength in a range of about 300 nm to about 380 nm, and may thus effectively protect the polarizing layer from ultraviolet light incident from the outside. In addition, the display device may obtain thinner thickness, thereby exhibiting excellent reliability.Type: ApplicationFiled: April 29, 2021Publication date: January 13, 2022Inventors: BEONG-HUN BEON, MINHA KIM, DUKJIN LEE, WOOSUK JUNG
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Publication number: 20210359275Abstract: An optical film includes a polarizing layer including a polymer dyed with iodine, a phase-retardation layer disposed under the polarizing layer, and an inorganic barrier layer including a non-polar inorganic material. The inorganic barrier layer is disposed on at least a surface of the polarizing layer, has a water vapor transmission rate (WVTR) equal to or less than about 100 g/day·m2, and has a thickness equal to or less than about 5 ?m. A display device comprising the optical film is also provided.Type: ApplicationFiled: February 18, 2021Publication date: November 18, 2021Applicant: Samsung Display Co., LTD.Inventors: Beong-Hun BEON, Duk Jin LEE, Woo Suk JUNG, Dong-Wook CHOI
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Publication number: 20210294379Abstract: A display device may comprise a display panel including one surface at a front side of the display panel and another surface at a rear side of the display panel, a front stacked structure disposed on the surface of the display panel, and a rear stacked structure disposed on the another surface of the display panel. The front stacked structure may include a polarizing member disposed on the surface of the display panel, and an impact absorbing layer disposed on the polarizing member. The polarizing member may include at least one phase retardation layer disposed on the surface of the display panel, a polarization layer disposed between the at least one phase retardation layer and the impact absorbing layer, and a first polarization protection layer disposed between the polarization layer and the impact absorbing layer.Type: ApplicationFiled: September 29, 2020Publication date: September 23, 2021Applicant: Samsung Display Co., LTD.Inventors: Duk Jin LEE, Beong Hun BEON
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Publication number: 20210157043Abstract: A display device includes: a display panel; a first adhesive layer disposed on the display panel; a polarization portion disposed on the first adhesive layer; a second adhesive layer disposed on the polarization portion; and a window disposed on the second adhesive layer, wherein the polarization portion includes a polarizer, and wherein the second adhesive layer is disposed on the polarizer.Type: ApplicationFiled: July 22, 2020Publication date: May 27, 2021Inventors: Beong-Hun BEON, Woo Suk JUNG, Duk Jin LEE
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Publication number: 20210132275Abstract: A display device includes a display module that is folded with respect to a folding axis extending in a first direction, a polarization layer disposed on the display module and having a polarization axis parallel to the first direction, and a phase delay layer disposed on the polarization layer and configured to change linearly polarized light, which passes through the polarization layer, into circularly polarized light.Type: ApplicationFiled: August 12, 2020Publication date: May 6, 2021Inventors: Beong-hun BEON, Dukjin LEE, Woosuk JUNG
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Publication number: 20210096278Abstract: A display device includes a substrate, a circuit part disposed on the substrate and an encapsulation layer disposed on the circuit pan. An inorganic layer is disposed on the encapsulation layer and includes a groove. An anti-reflection layer is disposed on the inorganic layer. The anti-reflection layer includes a first region that overlaps the groove and a second region that is outside of the first region. The transmittance of the first region and the transmittance of the second region are different from each other.Type: ApplicationFiled: May 21, 2020Publication date: April 1, 2021Inventors: Duk Jin LEE, Beong-Hun BEON, Je Seen YEON, Min Ha KIM
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Patent number: 10962834Abstract: According to one embodiment of the present disclosure, an optical filter which makes light pass therethrough includes a first layer configured to polarize the light; a second layer disposed directly on a first surface of the first layer and to make only light with a first wavelength band pass therethrough; and a color conversion layer disposed on the first layer, to receive the light, and to convert the light with the first wavelength band into light with a second wavelength band.Type: GrantFiled: January 10, 2018Date of Patent: March 30, 2021Assignee: Samsung Display Co., Ltd.Inventors: Sung Yong Kang, Seung Beom Park, Beong Hun Beon
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Publication number: 20200364436Abstract: Systems and methods are described for a display device in which the recognition failure of a fingerprint recognition sensor disposed in a display area without being exposed to the outside is reduced. The display device comprises a display panel; a cover window disposed above the display panel; an optical sensor, wherein at least a part of the optical sensor is disposed under the display panel; and an infrared blocking member disposed between the optical sensor and the cover window and at least a part of which overlaps the optical sensor from above the optical sensor.Type: ApplicationFiled: January 22, 2020Publication date: November 19, 2020Inventors: BEONG HUN BEON, WOO SUK JUNG
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Patent number: 10108047Abstract: A liquid crystal display comprises a surface light source, a lower polarizing plate disposed on the surface light source, a liquid crystal layer disposed on the lower polarizing plate, a retardation layer disposed on the liquid crystal layer and an upper polarizing plate disposed on the retardation layer, wherein the lower polarizing plate is a reflective polarizing plate exhibiting positive C phase difference characteristics, and the retardation layer exhibits positive A phase difference characteristics.Type: GrantFiled: June 11, 2015Date of Patent: October 23, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung Hwan Jeon, Beong Hun Beon, Sang Gu Lee