Patents by Inventor Woo-Jae Lee
Woo-Jae Lee 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).
-
Publication number: 20150219963Abstract: The inventive concept relates to a light unit and a diffuser separated from the light source at a predetermined distance and having a cylindrical structure, and a cylindrical structure display device including the same.Type: ApplicationFiled: January 12, 2015Publication date: August 6, 2015Inventors: Seon Uk LEE, Nam Seok ROH, Woo Jae LEE, Hee-Keun LEE, Don Chan CHO
-
Publication number: 20150198839Abstract: An exemplary embodiment provides a manufacturing method of a display device as follows. A thin film transistor is formed on a substrate. A pixel electrode connected to the thin film transistor is formed. A first barrier layer is formed on the pixel electrode. A sacrificial layer is formed on the first barrier layer. A second barrier layer is formed on the sacrificial layer. A common electrode is formed on the sacrificial layer. A roof layer is formed on the common electrode. The common electrode and the roof layer are patterned to expose a portion of the sacrificial layer. The sacrificial layer is removed to form a microcavity between the pixel electrode and the common electrode. The first barrier layer and the second barrier layer are removed. A liquid crystal material is injected inside the microcavity to form a liquid crystal layer. An encapsulation layer is formed to cover a portion where the microcavity is exposed to seal the microcavity.Type: ApplicationFiled: June 3, 2014Publication date: July 16, 2015Applicant: Samsung Display Co., Ltd.Inventors: You Young JIN, Seok-Joon HONG, Woo Jae LEE
-
Publication number: 20150185543Abstract: A display device includes: a substrate; a thin film transistor; a pixel electrode; a common electrode; a liquid crystal layer; and an encapsulation layer. The thin film transistor is disposed on the substrate. The pixel electrode is disposed on the thin film transistor. The common electrode is disposed on the pixel electrode and is separated from the pixel electrode via a microcavity therebetween. The liquid crystal layer fills the microcavity. The encapsulation layer is configured to seal the microcavity, wherein the encapsulation layer has an opening positioned at a portion overlapping the microcavity.Type: ApplicationFiled: May 6, 2014Publication date: July 2, 2015Applicant: Samsung Display Co., Ltd.Inventors: Seon Uk LEE, Woo Jae LEE, Seong Gyu KWON, Don Chan CHO
-
Publication number: 20150160509Abstract: A liquid crystal display includes: a substrate including a plurality of pixel areas; a TFT disposed on the substrate; a pixel electrode connected with the TFT and disposed on the TFT; a common electrode positioned on the pixel electrode and separated from the pixel electrode by a microcavity; a roof layer disposed on the common electrode; an injection hole disposed in the common electrode and the roof layer along a long-axial direction of the substrate to expose a part of the microcavity; a liquid crystal layer filling the microcavity; a first polarizer having a polarization axis in a short-axial direction of the substrate on the roof layer; and a second polarizer having a polarization axis in a long-axial direction of the substrate below the substrate, in which heights of edges in the long-axial and short-axial directions of the substrate are larger than a height of the center of the substrate.Type: ApplicationFiled: August 18, 2014Publication date: June 11, 2015Inventors: Min-Woo Lee, Dae Ho Song, Woo Jae Lee
-
Publication number: 20150124203Abstract: Provided are a display device and a manufacturing method thereof capable of preventing a short defect between electrodes. The display device includes a substrate, a common electrode formed on the substrate, a pixel electrode formed on the common electrode to be spaced apart from the common electrode with a microcavity therebetween, a roof layer formed on the pixel electrode, a liquid crystal layer filing the microcavity, and an encapsulation layer formed on the roof layer to seal the microcavity.Type: ApplicationFiled: May 2, 2014Publication date: May 7, 2015Applicant: Samsung Display Co., Ltd.Inventors: Seong Gyu KWON, Woo Jae LEE, Seok-Joon HONG
-
Patent number: 9019458Abstract: A display device includes: a substrate, on which pixel areas arranged substantially in a matrix form having pixel rows and pixel columns are defined; a thin film transistor disposed on the substrate; a pixel electrode disposed in the pixel areas and connected to the thin film transistor; common electrodes disposed on the pixel electrode and spaced apart from the pixel electrode, where a microcavity is defined between the pixel electrode and the common electrodes; a roof layer disposed on the common electrodes, where a liquid crystal injection hole is defined through the common electrodes and the roof layer and exposes the microcavity; a liquid crystal layer disposed in the microcavity; and an encapsulation layer disposed on the roof layer, where the encapsulation layer covers the liquid crystal injection hole and seals the microcavity, where the common electrodes in the pixel rows are connected to each other.Type: GrantFiled: October 7, 2013Date of Patent: April 28, 2015Assignee: Samsung Display Co., Ltd.Inventors: Won Tae Kim, Yong Seok Kim, Sung Hwan Won, Seon Uk Lee, Kyung Tae Chae, Pil Sook Kwon, Dae Ho Lee, Woo Jae Lee, Tae Woo Lim
-
Publication number: 20150092144Abstract: A liquid crystal display is provided that includes: a substrate; a thin film transistor disposed on the substrate; a protection layer disposed on the thin film transistor; a first electrode and a second electrode disposed on the protection layer; an alignment layer disposed on the second electrode; and a roof layer facing the second electrode, wherein a plurality of microcavities are formed between the second electrode and the roof layer, the microcavities include a liquid crystal material, and the alignment layer includes a photo-alignment material.Type: ApplicationFiled: April 30, 2014Publication date: April 2, 2015Applicant: Samsung Display Co., Ltd.Inventors: Hee-Keun LEE, Suk Hoon KANG, Sang Il KIM, Yeun Tae KIM, Dong Youb OH, Mi Hwa LEE, Woo Jae LEE, Jun Woo LEE
-
Publication number: 20150055074Abstract: A display device may include a substrate and a first roof layer portion that is formed of a roof layer material and overlaps the substrate in a direction, the direction is perpendicular to a surface of the substrate. A lateral surface of the first roof layer portion is disposed in a plane. The display device may further a second roof layer portion formed of the roof layer material and separated from the first roof layer portion. The display device may further a common electrode portion disposed between the first roof layer portion and the substrate in the direction. A lateral surface of the common electrode portion is disposed in the plane or is spaced from the lateral surface of the first roof layer portion in a second direction parallel to the surface of the substrate. The display device may further a pixel electrode disposed between the first common electrode portion and the substrate.Type: ApplicationFiled: March 7, 2014Publication date: February 26, 2015Applicant: Samsung Display Co., Ltd.Inventors: Dae Ho LEE, Won Tae KIM, Sung Hwan WON, You Young JIN, Kyung Tae CHAE, Pil Sook KWON, Yong Seok KIM, Han Joon YOO, Seon Uk LEE, Woo Jae LEE, Tae Woo LIM
-
Patent number: 8953126Abstract: A liquid crystal display according to exemplary embodiments of the present invention includes a first panel including a first lower substrate, a first lower electrode formed on the first lower substrate, a first upper substrate facing the first lower substrate, a first upper electrode formed on the first upper substrate, and a first cholesteric liquid crystal injected between the first lower electrode and the first upper electrode, wherein the first lower electrode includes carbon nanotubes. The liquid crystal display including the first lower electrode made of the carbon nanotubes without a light absorption layer provides a simple structure capable of realizing a black state.Type: GrantFiled: April 26, 2010Date of Patent: February 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jong-Seong Kim, Nam-Seok Roh, Sang-Il Kim, Woo-Jae Lee
-
Publication number: 20150036087Abstract: A display device and a method of manufacturing the display device improve reliability by preventing contact between a color filter, a light blocking member and a liquid crystal layer. The display device includes: a substrate including pixel areas; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor and formed in the pixel areas; a roof layer formed on the pixel electrode; microcavities interposed between the pixel electrode and the roof layer; an injection hole formed in the roof layer, the injection hole configured to expose at least a portion of the microcavities; a liquid crystal layer filled in at least one of the microcavities; an encapsulation layer formed on the roof layer, the encapsulation layer configured to cover the injection hole and to seal the microcavities; and an organic layer formed on the encapsulation layer.Type: ApplicationFiled: January 9, 2014Publication date: February 5, 2015Applicant: Samsung Display Co., Ltd.Inventors: Sung Hwan Won, Seon Uk Lee, Pil Sook Kwon, Yong Seok Kim, Won Tae Kim, Han Joon Yoo, Woo Jae Lee
-
Patent number: 8942177Abstract: A method, system, and medium are provided for presenting carrier-specific information associated with an incoming communication on a mobile network. The method, system, and medium include a device that receives call information associated with an incoming call. The call information includes carrier-identification information that is useable to identify an originating carrier responsible for originating the incoming call. The carrier-identification information is communicated to a database and the database retrieves carrier-specific data. The carrier-specific data is communicated to a mobile device and presented via a presentation component coupled to the mobile device. The carrier-specific data may include a carrier identifier (“carrier-ID”), geographic designation, and a denotation as to whether the incoming communication is an in-carrier communication versus an inter-carrier communication. The presentation component may include a display, a speaker, and a vibration apparatus.Type: GrantFiled: February 15, 2013Date of Patent: January 27, 2015Assignee: Sprint Communications Company L.P.Inventors: Ryan Patrick Dreiling, Cesar Perez, Woo Jae Lee
-
Publication number: 20140347611Abstract: A display device includes a substrate; a pixel electrode disposed on the substrate; a roof layer facing the pixel electrode and including a color filter; and a microcavity disposed between the pixel electrode and the roof layer. The microcavity includes a controllable material disposed therein. The color filter includes a first color filter and a second color filter. A first blocking region is disposed on the first color filter and a second blocking region is disposed on the second color filter. The respective thicknesses of the first blocking region and the second blocking region are different.Type: ApplicationFiled: October 22, 2013Publication date: November 27, 2014Applicant: Samsung Display Co., Ltd.Inventors: Yong Seok Kim, Woo Jae Lee
-
Publication number: 20140307215Abstract: Provided are a display device and a manufacturing method thereof capable of preventing deformation of a microcavity and stably injecting an aligning agent and a liquid crystal. The display device includes a substrate including a plurality of pixel areas which includes a plurality of pixel columns and is disposed in a matrix form; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor and formed in the pixel area; a roof layer formed on the pixel electrode so as to be spaced apart from the pixel electrode with a microcavity therebetween; a first injection hole formed in the roof layer exposing the microcavity at a side edge of the pixel column; a liquid crystal layer filling the microcavity; and an encapsulation layer formed on the roof layer so as to cover the first injection hole to seal the microcavity.Type: ApplicationFiled: October 24, 2013Publication date: October 16, 2014Inventors: Seon Uk LEE, Nam Seok ROH, Sung Hwan WON, Woo Jae LEE, Kyung Tae CHAE
-
Publication number: 20140300853Abstract: A display device includes: a substrate, on which pixel areas arranged substantially in a matrix form having pixel rows and pixel columns are defined; a thin film transistor disposed on the substrate; a pixel electrode disposed in the pixel areas and connected to the thin film transistor; common electrodes disposed on the pixel electrode and spaced apart from the pixel electrode, where a microcavity is defined between the pixel electrode and the common electrodes; a roof layer disposed on the common electrodes, where a liquid crystal injection hole is defined through the common electrodes and the roof layer and exposes the microcavity; a liquid crystal layer disposed in the microcavity; and an encapsulation layer disposed on the roof layer, where the encapsulation layer covers the liquid crystal injection hole and seals the microcavity, where the common electrodes in the pixel rows are connected to each other.Type: ApplicationFiled: October 7, 2013Publication date: October 9, 2014Applicant: Samsung Display Co., Ltd.Inventors: Won Tae KIM, Yong Seok KIM, Sung Hwan WON, Seon Uk LEE, Kyung Tae CHAE, Pil Sook KWON, Dae Ho LEE, Woo Jae LEE, Tae Woo LIM
-
Publication number: 20140285760Abstract: The liquid crystal display including a substrate; a thin film transistor disposed on the substrate; a field generating electrode in electrical communication with the thin film transistor; and an alignment layer disposed on the field generating electrode, wherein the alignment layer includes a self-assembled monolayer (“SAM”) derived from at least a first precursor compound and a second precursor compound, and wherein the first and second precursor compounds are different.Type: ApplicationFiled: August 29, 2013Publication date: September 25, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Dae Ho SONG, Min-Woo LEE, Jae Cheol PARK, Yeun Tae KIM, Woo Jae LEE
-
Publication number: 20140267966Abstract: A liquid crystal display includes a substrate; a thin film transistor on the substrate; a pixel electrode connected to the thin film transistor; a first insulating layer facing the pixel electrode; a plurality of microcavities each defined between the pixel electrode and the first insulating layer and including a liquid crystal injection hole exposing an inside of the microcavity; a liquid crystal layer including liquid crystal molecules, in the microcavities; a light blocking layer between adjacent microcavities; and a passivation layer member enclosing the light blocking layer.Type: ApplicationFiled: September 13, 2013Publication date: September 18, 2014Applicant: Samsung Display Co., Ltd.Inventors: Sung Hwan Won, Yong Seok Kim, Lim Tae Woo, Pil Sook Kwon, Won Tae Kim, Han Joon Yoo, Dae Ho Lee, Nam Seok Roh, Woo Jae Lee
-
Patent number: 8819598Abstract: Systems, methods, and computer-readable media for improving user navigation of a multi-page article on a small screen user device. In embodiments, as a user progresses through the multi-page article, pages and/or lines of text of the multi-page article are cached. In response to a user request to view the multi-page article in a full-page format, the cached content is compared against text of the full-page document and used to determine a presentation of the text that displays nonduplicative content to the user.Type: GrantFiled: January 26, 2012Date of Patent: August 26, 2014Assignee: Sprint Communications Company L.P.Inventors: Woo Jae Lee, Pujan Roka, Sanjay Sharma
-
Publication number: 20140226118Abstract: A liquid crystal display includes a microcavity formed on an insulation substrate that has a tapered side wall; a liquid crystal layer positioned in the microcavity; and a column portion in contact with the tapered side wall of the microcavity and between microcavities. The column portion includes a second column organic layer and a first column insulating layer formed outside the second column organic layer, and a side surface of first column insulating layer coincides with the side wall of the microcavity.Type: ApplicationFiled: December 17, 2013Publication date: August 14, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Dae Ho Lee, Yong Seok Kim, Pil Sook Kwon, Won Tae Kim, Sung Hwan Won, Jong Seong Kim, Woo Jae Lee
-
Publication number: 20140204316Abstract: A liquid crystal display is provided. A passivation layer is disposed on a substrate. A first microcavity is disposed on the passivation layer. A second microcavity is disposed on the passivation layer and spaced apart from the first microcavity at a first spacing and along a first direction. A fixing member is disposed between the first microcavity and the second microcavity. A roof layer is disposed on the first and the second microcavities and the fixing member, wherein the first and the second microcavities include liquid crystal molecules.Type: ApplicationFiled: May 29, 2013Publication date: July 24, 2014Inventors: Yong Seok Kim, Won Tae Kim, Han Joon Yoo, Dae Ho Lee, Kyung Tae Chae, Jong Seong Kim, Woo Jae Lee
-
Publication number: 20140104533Abstract: A manufacturing method of a liquid crystal display includes forming a sacrificial layer on a liquid crystal panel, forming an etch stop layer on the sacrificial layer, forming a photo resist pattern on the etch stop layer, completing the etch stop layer using the photo resist pattern as a mask, ashing the photo resist pattern and the sacrificial layer by using the completed etch stop layer as a mask, forming a microcavity by removing a portion of the sacrificial layer and forming a liquid crystal layer in the microcavity.Type: ApplicationFiled: March 6, 2013Publication date: April 17, 2014Applicant: Samsung Display Co., Ltd.Inventors: Seon Uk Lee, Won Tae Kim, Yu Jin Kim, Woo Jae Lee, Kyung-Tae Chae