Patents by Inventor Soo-Min Baek
Soo-Min Baek 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: 20200119310Abstract: A display device may include a display configured to emit light for displaying an image, a microlens array on the display and configured to collimate the image incident from the display so as to be delivered to the eyes of a user, the microlens array including a refractive index conversion layer in which a refractive index varies from region to region, and an optical path adjustment layer configured to collect light, emitted from the display and transmitted by the microlens array, and to space the display and the microlens array a preset distance apart from each other. Here, the refractive index conversion layer may include a polymer and liquid crystal molecules that interact with the polymer.Type: ApplicationFiled: August 19, 2019Publication date: April 16, 2020Inventors: Su Jung HUH, Soo Min BAEK, Ji Won LEE, Ju Hwa HA
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Publication number: 20190112692Abstract: The present invention relates to a magnesium alloy material and a method for manufacturing the same. The magnesium alloy material comprises, with respect to the total of 100 wt % thereof: Sc of 0.01 to 0.3 wt %; Al of 0.05 to 15.0 wt %; and the balance being Mg and other unavoidable impurities, wherein the magnesium alloy comprises a secondary phase compound comprising Al and Sc in the alloy in which a Volta potential difference between the secondary phase compound and a magnesium base is less than 920 mV.Type: ApplicationFiled: June 2, 2017Publication date: April 18, 2019Inventors: Sung Soo Park, Soo Min Baek, Beom Cheol Kim
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Patent number: 9548342Abstract: Disclosed is an organic white light emitting display apparatus. The organic white light emitting device includes a first substrate including a first sub-pixel area, a second sub-pixel area, a third sub-pixel area, and an organic light emitting device (OLED) that includes a first electrode, a second electrode, and an organic white light emitting layer interposed between the first and second electrodes, and emits whit light for respective sub-pixel areas, a second substrate including first, second, and third color filters of different colors formed on positions corresponding to the respective sub-pixel areas, the second substrate being arranged to face the first substrate, and a partition wall that is extended to an area between neighboring color filters among the color filters and partitions the sub-pixel areas, the partition wall being formed on the first substrate.Type: GrantFiled: July 12, 2016Date of Patent: January 17, 2017Assignee: Samsung Display Co., Ltd.Inventors: Soo-Min Baek, Min-Woo Kim, Il-Nam Kim, Jae-Ik Lim
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Publication number: 20160322438Abstract: Disclosed is an organic white light emitting display apparatus. The organic white light emitting device includes a first substrate including a first sub-pixel area, a second sub-pixel area, a third sub-pixel area, and an organic light emitting device (OLED) that includes a first electrode, a second electrode, and an organic white light emitting layer interposed between the first and second electrodes, and emits whit light for respective sub-pixel areas, a second substrate including first, second, and third color filters of different colors formed on positions corresponding to the respective sub-pixel areas, the second substrate being arranged to face the first substrate, and a partition wall that is extended to an area between neighboring color filters among the color filters and partitions the sub-pixel areas, the partition wall being formed on the first substrate.Type: ApplicationFiled: July 12, 2016Publication date: November 3, 2016Inventors: Soo-Min Baek, Min-Woo Kim, Il-Nam Kim, Jae-Ik Lim
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Patent number: 9419242Abstract: Disclosed is an organic white light emitting display apparatus. The organic white light emitting device includes a first substrate including a first sub-pixel area, a second sub-pixel area, a third sub-pixel area, and an organic light emitting device (OLED) that includes a first electrode, a second electrode, and an organic white light emitting layer interposed between the first and second electrodes, and emits whit light for respective sub-pixel areas, a second substrate including first, second, and third color filters of different colors formed on positions corresponding to the respective sub-pixel areas, the second substrate being arranged to face the first substrate, and a partition wall that is extended to an area between neighboring color filters among the color filters and partitions the sub-pixel areas, the partition wall being formed on the first substrate.Type: GrantFiled: March 21, 2014Date of Patent: August 16, 2016Assignee: Samsung Display Co., Ltd.Inventors: Soo-Min Baek, Min-Woo Kim, Il-Nam Kim, Jae-Ik Lim
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Patent number: 9293737Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.Type: GrantFiled: June 4, 2015Date of Patent: March 22, 2016Assignee: Samsung Display Co., Ltd.Inventors: Soo-Min Baek, Won-Sang Park, Min-Woo Kim, Il-Nam Kim, Jae-Kyoung Kim, Hae-Yun Choi
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Publication number: 20150303407Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.Type: ApplicationFiled: June 4, 2015Publication date: October 22, 2015Inventors: Soo-Min BAEK, Won-Sang PARK, Min-Woo KIM, Il-Nam KIM, Jae-Kyoung KIM, Hae-Yun CHOI
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Patent number: 9082997Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.Type: GrantFiled: July 23, 2013Date of Patent: July 14, 2015Assignee: Samsung Display Co., Ltd.Inventors: Soo-Min Baek, Won-Sang Park, Min-Woo Kim, Il-Nam Kim, Jae-Kyoung Kim, Hae-Yun Choi
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Patent number: 9029838Abstract: An organic light emitting display device comprises a first substrate, an insulation layer having an inclined structure, a first electrode, a pixel defining layer defining a luminescent region and a non-luminescent region, an organic light emitting structure, a second electrode and a second substrate. Lateral portions of the first electrode, the second electrode and/or the pixel defining layer may have an inclination angle for preventing a total reflection of light generated from the organic light emitting structure, so that the organic light emitting display device may ensure a light efficiency substantially larger than that of the conventional organic light emitting display device by about at least 30 percent.Type: GrantFiled: June 21, 2012Date of Patent: May 12, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Ik Lim, Won-Sang Park, Soo-Min Baek, Min-Woo Kim, Il-Nam Kim, Jae-Kyoung Kim
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Patent number: 9029897Abstract: An organic light emitting element including: a first electrode; a bump partially covering an end of the first electrode and having an island shape, which has a thickness larger than a thickness of the first electrode; an organic emission layer on the first electrode and the bump; and a second electrode on the organic emission layer.Type: GrantFiled: July 24, 2013Date of Patent: May 12, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hae-Yun Choi, Soo-Min Baek, Won-Gyun Kim, Min-Woo Kim
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Patent number: 8975636Abstract: An organic light emitting display device may include a substrate having a switching device, a first electrode including a reflection structure and being electrically connected to the switching device, a pixel defining layer disposed on the first electrode to define a luminescent region and a nonluminescent region, an organic light emitting structure disposed over the pixel defining layer, and a second electrode disposed over the organic light emitting structure. The first electrode may include the reflection structure such as a recess structure or a protrusion structure, so that the organic light emitting display device may ensure an enhanced light efficiency. Additionally, pixels of the organic light emitting display device may have improved uniformity because an opening of the pixel defining layer may have a rounded shape.Type: GrantFiled: March 8, 2012Date of Patent: March 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Il-Nam Kim, Won-Sang Park, Min-Woo Kim, Soo-Min Baek, Jae-Kyoung Kim
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Patent number: 8964275Abstract: A display apparatus may include a first substrate having one or more unit pixel regions defined and including a driving thin film transistor, a second substrate disposed on the first substrate and facing the first substrate, and a color absorbing layer disposed on the first substrate.Type: GrantFiled: November 1, 2011Date of Patent: February 24, 2015Assignee: Samsung Display Co., Ltd.Inventors: Min-Woo Kim, Soo-Min Baek, Il-Nam Kim, Jae-Kyoung Kim, Won-Sang Park
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Patent number: 8957887Abstract: An electrophoretic display apparatus and a method of driving the same. Gradation display using pulse amplitude modulation (PAM) may be achieved using a gate pulse having a pulse width and a voltage level that are set not to fully charge a parasitic capacitance component of a switching transistor included in each pixel.Type: GrantFiled: September 23, 2011Date of Patent: February 17, 2015Assignee: Samsung Display Co., Ltd.Inventors: Il-Nam Kim, Min-Woo Kim, Soo-Min Baek, Jae-Kyoung Kim
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Patent number: 8921840Abstract: An organic light emitting diode display includes a first substrate, an organic light emitting diode on the first substrate, a second substrate on the organic light emitting diode, and a capping layer between the second substrate and the organic light emitting diode. The capping layer collects light emitted from the organic light emitting diode, and the capping layer collects the light in a direction of the second substrate corresponding to the organic light emitting diode.Type: GrantFiled: March 15, 2013Date of Patent: December 30, 2014Assignee: Samsung Display Co., Ltd.Inventors: Min-Woo Kim, Gee-Bum Kim, Soo-Min Baek, Il-Nam Kim, Won-Sang Park
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Publication number: 20140353630Abstract: Disclosed is an organic white light emitting display apparatus. The organic white light emitting device includes a first substrate including a first sub-pixel area, a second sub-pixel area, a third sub-pixel area, and an organic light emitting device (OLED) that includes a first electrode, a second electrode, and an organic white light emitting layer interposed between the first and second electrodes, and emits whit light for respective sub-pixel areas, a second substrate including first, second, and third color filters of different colors formed on positions corresponding to the respective sub-pixel areas, the second substrate being arranged to face the first substrate, and a partition wall that is extended to an area between neighboring color filters among the color filters and partitions the sub-pixel areas, the partition wall being formed on the first substrate.Type: ApplicationFiled: March 21, 2014Publication date: December 4, 2014Applicant: Samsung Display Co., Ltd.Inventors: Soo-Min Baek, Min-Woo Kim, Il-Nam Kim, Jae-Ik Lim
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Publication number: 20140284563Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.Type: ApplicationFiled: July 23, 2013Publication date: September 25, 2014Inventors: Soo-Min BAEK, Won-Sang PARK, Min-Woo KIM, Il-Nam KIM, Jae-Kyoung KIM, Hae-Yun CHOI
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Patent number: 8767281Abstract: A flat panel display apparatus includes a first substrate; a second substrate disposed facing the first substrate, barrier walls disposed between the first substrate and the second substrate and partitioning unit pixels, first electrodes disposed on a surface of the first substrate facing the second substrate and located in the respective unit pixels, black matrices disposed on the surface of the second substrate facing the first substrate and corresponding to the barrier walls, second electrodes disposed in regions corresponding to the black matrices between the first substrate and the second substrate, and an electrophoretic dispersion solution disposed in the unit pixels and comprising charged pigment particles and a fluid in which the charged pigment particles are dispersed.Type: GrantFiled: January 4, 2012Date of Patent: July 1, 2014Assignee: Samsung Display Co., Ltd.Inventors: Jae-Kyoung Kim, Min-Woo Kim, Soo-Min Baek, Il-Nam Kim
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Patent number: 8730561Abstract: An electrophoretic display device includes a first display substrate (including a base substrate, a first electrode, and a second electrode), a second display substrate (including a third electrode facing the first and second electrodes), and an electrophoretic layer between the first display substrate and the second display substrate, the electrophoretic layer including a first charged particle, a second charged particle and a colored solvent (the first and second charged particles having different polarities from each other and the colored solvent having a chromatic color).Type: GrantFiled: December 6, 2011Date of Patent: May 20, 2014Assignee: Samsung Display Co., Ltd.Inventors: Jae-Kyoung Kim, Min-Woo Kim, Il-Nam Kim, Soo-Min Baek
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Publication number: 20140124749Abstract: An organic light emitting diode display includes a first substrate, an organic light emitting diode on the first substrate, a second substrate on the organic light emitting diode, and a capping layer between the second substrate and the organic light emitting diode. The capping layer collects light emitted from the organic light emitting diode, and the capping layer collects the light in a direction of the second substrate corresponding to the organic light emitting diode.Type: ApplicationFiled: March 15, 2013Publication date: May 8, 2014Inventors: Min-Woo KIM, Gee-Bum KIM, Soo-Min BAEK, Il-Nam KIM, Won-Sang PARK
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Publication number: 20140103308Abstract: An organic light emitting element including: a first electrode; a bump partially covering an end of the first electrode and having an island shape, which has a thickness larger than a thickness of the first electrode; an organic emission layer on the first electrode and the bump; and a second electrode on the organic emission layer.Type: ApplicationFiled: July 24, 2013Publication date: April 17, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hae-Yun Choi, Soo-Min Baek, Won-Gyun Kim, Min-Woo Kim