Patents by Inventor Ji-hun Ryu
Ji-hun Ryu 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: 20140138645Abstract: An organic light emitting display device includes: a substrate; a display unit on the substrate; and an encapsulation layer on the display unit, the encapsulation layer including a plurality of inorganic layers and a plurality of organic layers, the plurality of inorganic layers and the plurality of organic layers being alternately located, and the plurality of organic layers being at a region where the plurality of inorganic layers is located. The plurality of inorganic layers covers the display unit and is sequentially on the substrate, and areas of each of the inorganic layers are increased moving in a direction away from the display unit.Type: ApplicationFiled: August 30, 2013Publication date: May 22, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventor: Ji-Hun Ryu
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Patent number: 8729793Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.Type: GrantFiled: August 9, 2013Date of Patent: May 20, 2014Assignee: Samsung Display Co., Ltd.Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
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Patent number: 8659223Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes i) a display substrate, ii) an OLED array, iii) an encapsulation substrate arranged opposite to the display substrate with respect to the OLED array, iv) a sealing member configured to seal the display substrate and the encapsulation substrate and v) a filler applied in a space formed between the display substrate and the encapsulation substrate. In one embodiment, the height of the filler is more than about 1.2 times the height of the OLED array.Type: GrantFiled: September 23, 2011Date of Patent: February 25, 2014Assignee: Samsung Display Co., Ltd.Inventors: Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Ji-Hun Ryu, Young-Cheol Joo, Sun-Young Jung
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Patent number: 8604465Abstract: An organic light-emitting diode display device includes a substrate, a display unit on the substrate, a touch unit facing the substrate, and a sealing portion surrounding the display unit. The sealing portion couples the substrate to the touch unit and includes glass frit. The touch unit includes an encapsulation substrate, a first conductive layer on the encapsulation substrate, an insulating layer on a portion of the first conductive layer and the encapsulation substrate, and a second conductive layer on the first conductive layer and the insulating layer. The insulating layer of the touch unit includes an organosilicon compound and has a thermal decomposition temperature of about 360° C. or more.Type: GrantFiled: March 29, 2011Date of Patent: December 10, 2013Assignee: Samsung Display Co., Ltd.Inventors: Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Oh-June Kwon, Sun-Young Jung, Charles Joo, Ji-Hun Ryu
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Publication number: 20130320320Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.Type: ApplicationFiled: August 9, 2013Publication date: December 5, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
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Patent number: 8569951Abstract: In an organic light-emitting display apparatus and a method of manufacturing the same, the organic light-emitting display apparatus comprises: a substrate; a light-emitting unit formed on the substrate; and an encapsulation film, which covers the light-emitting unit on the substrate, and which includes a plurality of organic layers and a plurality of inorganic layers which are alternately stacked.Type: GrantFiled: September 23, 2011Date of Patent: October 29, 2013Assignee: Samsung Display Co., Ltd.Inventors: Ji-Hun Ryu, Dong-Won Han, Young-Seo Choi, Jae-Ho Lee, Oh-June Kwon, Jin-Ho Kwack, Dae-Beom Shin, Dong-Hun Kang, Hyo-Jin Kim, Seung-Yong Song
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Patent number: 8518727Abstract: An organic light emitting diode (OLED) display device and method of fabrication that includes a substrate having a device region, an outer dam region and an encapsulation region. The encapsulation region includes an inner dam region, an outer dam region and an encapsulation region that correspond to the device region. An encapsulation agent is formed in the encapsulation region of the encapsulation substrate, and filling dams are formed of the same material in the outer dam region and the inner dam region of the encapsulation substrate.Type: GrantFiled: February 14, 2013Date of Patent: August 27, 2013Assignee: Samsung Display Co., Ltd.Inventors: Ji-Hun Ryu, Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Kwan-Hee Lee
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Patent number: 8512869Abstract: A silicon composition with a silicon compound represented by Formula 1 and a silicon compound represented by Formula 2: wherein, R1, R2, R3, R4, R11, R12, R13, R14, R15, R16, R17, R18, and R19 are each independently a C1-C4 alkyl group, R5, R6, R7, R8, R9, and R10 are each independently hydrogen or deuterium, k, m, and n are positive integers, and the ratio of k to the sum of m and n is from about 1:0.001 to about 1:0.2; and an organic light emitting device including the same.Type: GrantFiled: April 26, 2011Date of Patent: August 20, 2013Assignee: Samsung Display Co., Ltd.Inventors: Oh-June Kwon, Seung-Yong Song, Young-Seo Choi, Ji-Hun Ryu, Young-Cheol Joo, Jin-Hwan Jeon, Sun-Young Jung
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Patent number: 8508121Abstract: An organic light-emitting display apparatus for selectively realizing circular polarization according to external light conditions, including a substrate; an organic light-emitting device on the substrate; a sealing member on the organic light-emitting device; a phase retardation layer on a surface of the substrate, the organic light-emitting device, or the sealing member; and a linear polarization layer on another surface of the substrate, the organic light-emitting device, or the sealing member, wherein the linear polarization layer is located to be closer to a source of external light than the phase retardation layer, and wherein the linear polarization layer comprises a photochromic material.Type: GrantFiled: March 3, 2011Date of Patent: August 13, 2013Assignee: Samsung Display Co., Ltd.Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Sun-Young Jung, Ji-Hun Ryu, Young-Cheol Joo
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Patent number: 8405094Abstract: An organic light emitting diode (OLED) display device and method of fabrication that includes a substrate having a device region, an outer dam region and an encapsulation region. The encapsulation region includes an inner dam region, an outer dam region and an encapsulation region that correspond to the device region. An encapsulation agent is formed in the encapsulation region of the encapsulation substrate, and filling dams are formed of the same material in the outer dam region and the inner dam region of the encapsulation substrate.Type: GrantFiled: June 30, 2010Date of Patent: March 26, 2013Assignee: Samsung Display Co., Ltd.Inventors: Ji-Hun Ryu, Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Kwan-Hee Lee
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Patent number: 8399905Abstract: Provided is a flat panel display apparatus including a sealant which has a small effective width and is able to effectively attach a substrate and an encapsulation substrate. The flat panel display apparatus includes the substrate, a display unit disposed on the substrate, the encapsulation substrate disposed facing the substrate so that the display unit is disposed on inner side of the encapsulation substrate, and the sealant attaching the substrate and the encapsulation substrate, wherein an end surface of the sealant facing the substrate contacts a silicon oxide layer disposed on the substrate.Type: GrantFiled: July 30, 2009Date of Patent: March 19, 2013Assignee: Samsung Display Co., Ltd.Inventors: Ji-Hun Ryu, Sun-Young Jung, Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Kwan-Hee Lee
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Patent number: 8388398Abstract: Provided are an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device includes a substrate; an sealing substrate facing the substrate, an organic light emitting unit disposed between the substrate and the sealing substrate and having a plurality of organic light emitting devices emitting light, and a plurality of grooves formed in a light extracting surface of the organic light emitting display device through which the light is emitted to the outside. In one embodiment, the grooves are formed on the sealing substrate, and in another embodiment, the grooves are formed on the substrate.Type: GrantFiled: May 4, 2011Date of Patent: March 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song, Young-Seo Choi, Sun-Young Jung, Young-Cheol Joo, Ji-Hun Ryu
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Patent number: 8357929Abstract: An organic light emitting display device, including: a first substrate on which a plurality of light emitting elements are formed; a second substrate that is disposed to be opposed to the first substrate; a primary dam member that is provided between the first substrate and the second substrate in order to surround the plurality of light emitting elements; a filler that is filled between the first substrate and the second substrate and in a first region defined by the primary dam member, an auxiliary dam member that is between the first substrate and the second substrate and in a second region outside the first region, and is made of porous material; and an inorganic sealant that is provided between the first substrate and the second substrate and in a third region outside the first region and the second region, and is jointed to the first substrate and the second substrate.Type: GrantFiled: October 21, 2009Date of Patent: January 22, 2013Assignee: Samsung Display Co., Ltd.Inventors: Ji-Hun Ryu, Seung-Yong Song, Young-Seo Choi, Oh-June Kwon
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Patent number: 8344614Abstract: An organic light emitting display (OLED) device and a method of manufacturing the same, the OLED device including a first substrate having an organic emission unit on a surface thereof, a second substrate above the first substrate, an inorganic sealing member between the first substrate and the second substrate, the inorganic sealing member bonding the first substrate and the second substrate. and a filler, the filler filling a space between the first substrate and the second substrate, wherein a volume of the filler is greater than a volume of a space between the first substrate, the second substrate, and the inorganic sealing member prior to bonding the first substrate and the second substrate.Type: GrantFiled: April 8, 2010Date of Patent: January 1, 2013Assignee: Samsung Display Co., Ltd.Inventors: Young-Seo Choi, Seung-Yong Song, Oh-June Kwon, Ji-Hun Ryu, Young-Cheol Joo, Sun-Young Jung, Kwan-Hee Lee
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Patent number: 8314551Abstract: Provided are an organic light-emitting display device and a manufacturing method of the organic light emitting display device. The organic light-emitting display device includes: a substrate; a display unit formed on the substrate; an encapsulation substrate formed above the display unit; a first sealant bonding the substrate and the encapsulation substrate; a filler formed between the substrate and the encapsulation substrate; and a second sealant interposed between the first sealant and the filler so as to separate the filler from the first sealant, wherein a distance of a portion of the substrate and the encapsulation substrate is smaller than that of other portions of the substrate and the encapsulation substrate. Accordingly, penetration of impurities, such as oxygen or water, from the outside into the organic light emitting display device is prevented.Type: GrantFiled: July 25, 2008Date of Patent: November 20, 2012Assignee: Samsung Display Co., Ltd.Inventors: Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Young-Cheol Joo, Sun-Young Jung, Ji-Hun Ryu
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Patent number: 8299457Abstract: A sealing filler for an organic light emitting device display includes a siloxane polymer having a surface tension of about 20 dyn/cm or less. The siloxane polymer may be represented by where each of R1 to R10 is independently a non-polar substituent, and n ranges from 20 to 50.Type: GrantFiled: January 28, 2010Date of Patent: October 30, 2012Assignee: Samsung Display Co., Ltd.Inventors: Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Ji-Hun Ryu, Sun-Young Jung, Young-Cheol Joo
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Patent number: 8269417Abstract: Disclosed are light emitting display and method of manufacturing the same. The light emitting display according to the present embodiments includes a first substrate including a plurality of light emitting devices and a pad portion, all of which are formed therein; a second substrate disposed to face the light emitting devices; and a bonding layer bonded to the light emitting devices and the second substrate, wherein a stepped portion is formed at a predetermined depth in an edge of the second substrate that is adjacent to the pad portion, and the bonding layer is extended to the stepped portion. Since the bonding layer is not bonded to the pad portion due to the depth of the stepped portion when the second substrate is bonded to the first substrate, poor electrical contact may be prevented, and it easy to remove the encapsulation substrate to expose the pad portion.Type: GrantFiled: June 16, 2008Date of Patent: September 18, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Young-seo Choi, Seung-yong Song, Young-cheol Joo, Ji-hun Ryu, Oh-june Kwon, Sun-young Jung
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Patent number: 8242688Abstract: An organic light emitting display and a method of manufacturing the same are disclosed. In one embodiment, the display includes i) a first substrate, ii) a second substrate facing the first substrate and iii) a display unit formed between the first and second substrates and including organic light emitting diodes (OLEDs). The display further includes i) a sealant formed between the first and second substrates so as to substantially surround the display unit, wherein the first and second substrates are bonded to each other via the sealant and ii) a filler formed at an inner side of the sealant to cover the display unit, and wherein a magnetic substance is dispersed in the filler.Type: GrantFiled: March 11, 2011Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Oh-June Kwon, Seung-Yong Song, Young-Seo Choi, Ji-Hun Ryu, Jin-Hwan Jeon, Sun-Young Jung, Charles Joo, Kwan-Hee Lee, Min-Soo Kim
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Publication number: 20120170244Abstract: An organic light emitting diode display having a display panel comprising a first substrate and a second substrate disposed facing the first substrate, the first substrate comprising a display area and a pad area, a buffer member disposed on one surface of the first substrate, the buffering member having a buffer layer and an adhesive layer formed on at least one surface of the buffer layer, and a bezel or a case accommodating the display panel and buffer member.Type: ApplicationFiled: December 20, 2011Publication date: July 5, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Oh-June Kwon, Kuen-Dong Ha, Hyun-Min Hwang, Ji-Ho Kang, Chan-Kyoung Moon, Hyun-Hee Lee, Jung-Jun Im, Dong-Su Yee, In-Soo Lee, Min-Su Kim, Young-Cheol Joo, Seung-Yong Song, Ji-Hun Ryu, Kwan-Hee Lee, Young-Seo Choi, Sun-Young Jung, Sun-Hwa Kim, Dai-Han Cho
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Publication number: 20120161620Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes i) a display substrate, ii) an OLED array, iii) an encapsulation substrate arranged opposite to the display substrate with respect to the OLED array, iv) a sealing member configured to seal the display substrate and the encapsulation substrate and v) a filler applied in a space formed between the display substrate and the encapsulation substrate. In one embodiment, the height of the filler is more than about 1.2 times the height of the OLED array.Type: ApplicationFiled: September 23, 2011Publication date: June 28, 2012Applicant: Samsung Mobile Display Co., Ltd.Inventors: Seung-Yong Song, Young-Seo Choi, Oh-June Kwon, Ji-Hun Ryu, Young-Cheol Joo, Sun-Young Jung