Patents Examined by Michael Inadomi
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Patent number: 8269926Abstract: A display panel using laser cutting technology and a mother substrate thereof are provided. The display panel comprises two base plates opposite to each other, a sealant and a buffering metal layer. The sealant is disposed between the two base plates. The buffering metal layer formed on the inside surface of at least one of the two base plates is disposed along the sealant. At least a portion of the buffering metal layer is positioned outside the sealant. There is a first distance between the rim of the buffering metal layer and the edge of the base plate.Type: GrantFiled: March 22, 2011Date of Patent: September 18, 2012Assignee: AU Optronics Corp.Inventors: Li-Ya Yeh, Shu-Chih Wang
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Patent number: 8253918Abstract: An array substrate for an in-plane switching mode liquid crystal display device includes a substrate, a gate line along a first direction on the substrate, a data line along a second direction and crossing the gate line to define a pixel region, a common line on the substrate, a thin film transistor connected to the gate and data lines, a pixel electrode in the pixel region and connected to the thin film transistor, the pixel electrode including horizontal parts along the first direction, and a common electrode in the pixel region and connected to the common line, the common electrode including horizontal portions along the first direction, wherein the pixel electrode and the common electrode are formed on a same layer.Type: GrantFiled: February 2, 2012Date of Patent: August 28, 2012Assignee: LG Display Co., Ltd.Inventors: Byoung-Ho Lim, Hyun-Kyu Lee, Do-Sung Kim, Byung-Koo Kang, Do-Young Lee, Eui-Tae Kim, Sang-Wook Park
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Patent number: 8248574Abstract: A liquid crystal display element includes a first substrate having a first electrode on one surface thereof, a transparent second substrate having a transparent second electrode on one surface thereof, a first liquid crystal layer containing a liquid crystal composition, a color filter, and a second liquid crystal layer containing a liquid crystal composition, and at least one of the first and second liquid crystal layers includes an additive having dielectric properties, and the dielectric constant of the first liquid crystal layer is different from that of the second liquid crystal layer.Type: GrantFiled: September 4, 2009Date of Patent: August 21, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Takeo Kakinuma, Tadayoshi Ozaki, Chikara Manabe, Naoki Hiji
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Patent number: 8218107Abstract: A lamp guide includes: a horizontal part; at least one supporting part extending from a front surface of the horizontal part and having a cone shape; a plurality of holding parts on the front surface of the horizontal part, each of the plurality of holding parts holding a lamp; at least one coupling part extending from a rear surface of the horizontal part and having a trident shape; and a plurality of ribs protruding from the rear surface of the horizontal part and corresponding to the plurality of holding parts.Type: GrantFiled: November 26, 2008Date of Patent: July 10, 2012Assignee: LG Display Co., Ltd.Inventors: Seung-Woo Son, Ji-Woon Min
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Patent number: 8199281Abstract: In a backlight of a liquid crystal display device, the screen of a liquid crystal panel is divided into a plurality of rectangular regions, an edge-light type light guide plate is provided corresponding to each of the rectangular regions, and a plurality of LEDs are provided on the end face of each edge-light type light guide plate. The brightness of the image displayed on each of the rectangular regions is obtained based on an image signal, and, based on the brightness, the brightness of the plurality of LEDs corresponding to each of the rectangular regions is controlled. Accordingly, the power consumption can be reduced as compared with the case where the entire liquid crystal panel is illuminated with uniform brightness. Furthermore, the edge-light type light guide plate is used to allow a decrease in number of the LEDs and the wiring arrangements.Type: GrantFiled: August 21, 2009Date of Patent: June 12, 2012Assignee: Funai Electric Co., Ltd.Inventor: Takayuki Tsujii
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Patent number: 8194207Abstract: A liquid crystal display (“LCD”) with a backlight assembly includes a liquid crystal (“LC”) panel displaying an image, a backlight assembly providing light to the LC panel, a middle frame disposed between the LC panel and the backlight assembly, and a top frame to complete the LCD assembly. The backlight assembly includes a plurality of light sources, an optical member, a bottom frame and a plurality of optical member supporters. The optical member supporters each support the optical member and are mutually spaced apart from each other to effectively dissipate heat and reduce the weight of the LCD.Type: GrantFiled: November 19, 2008Date of Patent: June 5, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Won-Ju Kim, Jae-Hwan Chun
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Patent number: 8194195Abstract: Lighting systems, in particular used for SSTV, disco lights, lighting consoles and claviluxes. In order to reduce noise and to increase robustness, the system comprises a light beam source (6) arranged for generating a beam of light, a projection gate (8) arranged for controlling the beam of light, wherein the light beam source (6) is comprised of at least one light emitting diode, and the projection gate (8) comprises at least one liquid crystal (LC) optical element.Type: GrantFiled: November 13, 2006Date of Patent: June 5, 2012Assignee: Koninklijke Philips Electronics N.V.Inventors: Bernd Hofmann, Rifat Ata Mustafa Hikmet, Hans Van Wijngaarde
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Patent number: 8194227Abstract: The present invention discloses a super large wide-angle high-speed response liquid crystal display apparatus manufactured by using a photolithographic procedure for three times. The invention adopts a halftone exposure technology to form a gate electrode, a common electrode, a pixel electrode and a contact pad, and then uses the halftone exposure technology to form a silicon (Si) island and a contact hole, and a general exposure technology to form a source electrode, a drain electrode and an orientation control electrode. A passivation layer uses a masking deposition method. A film is formed by using a P-CVD method, or a protective area is formed at a local area by using an ink coating method or spray method, and a TFT array substrate used for the super large wide-angle high-speed response liquid crystal display apparatus manufactured by using a photolithographic procedure for three times can be produced.Type: GrantFiled: September 11, 2009Date of Patent: June 5, 2012Assignee: Mikuni Electoron Co. Ltd.Inventors: Sakae Tanaka, Samejima Toshiyuki
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Patent number: 8189137Abstract: A backlight unit adapted to improve uneven brightness and reliability is disclosed. The backlight unit includes: a bottom cover; at least one metal PCB disposed on one side surface of the inner side of the bottom cover; a plurality of light emission diodes arranged at a fixed interval on the metal PCB; and at least one fixing protrusion projecting from an upper surface of the metal PCB and fastened to a panel guide which is combined with the bottom cover, in order to prevent the metal PCB from separating.Type: GrantFiled: September 16, 2009Date of Patent: May 29, 2012Assignee: LG Display Co. Ltd.Inventor: Seo Chung Oan
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Patent number: 8189144Abstract: A liquid crystal display includes a pair of substrates and a liquid crystal layer interposed between the substrates and has a reflective area and a transmissive area. At least one of the substrates is provided with a retardation film whose phase difference differs between the reflective area and the transmissive area. Alternatively, at least one of the substrates is provided with a retardation film whose slow axis differs between the reflective area and the transmissive area.Type: GrantFiled: March 24, 2006Date of Patent: May 29, 2012Assignee: Sony CorporationInventors: Tsuyoshi Ohyama, Masato Imai, Kazuyuki Endo
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Patent number: 8189145Abstract: A display device formed by plural pixels that have reflective regions and transmissive regions is disclosed. The display device includes, in each of the pixels: an element layer formed on a substrate; a planarizing layer formed on the substrate to cover the element layer; and a gap adjusting layer formed on the planarizing layer on the element layer. In the display device, the reflective region is formed by an area including the element layer, the planarizing layer, the gap adjusting layer, and a reflection electrode formed on the gap adjusting layer, and the transmissive region is formed by an area including the planarizing layer formed on the substrate excluding an area in which the gap adjusting layer is formed.Type: GrantFiled: November 30, 2007Date of Patent: May 29, 2012Assignee: Sony CorporationInventors: Takeo Koito, Yoshihiro Kanno, Morikazu Nomura
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Patent number: 8149362Abstract: A liquid crystal display (LCD) device having an alignment film of which pretilt angle and azimuthal angle can be adjusted without ultraviolet irradiation and a method for fabricating the LCD device are provided. A liquid crystal display having a thin film transistor substrate and a color filter substrate facing each other and a liquid crystal layer sealed between the substrates includes a first alignment film having a pattern which defines a first and second alignment domains on the thin film transistor substrate and a second alignment film formed on the color filter substrate.Type: GrantFiled: January 17, 2007Date of Patent: April 3, 2012Assignee: Industry-University Cooperation Foundation Hanyang UniversityInventors: Jae Hoon Kim, You Jin Lee, Hak Rin Kim, Jong Wook Jung
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Patent number: 8144270Abstract: A liquid crystal on silicon (LCoS) panel is disclosed. The LCoS panel includes: a substrate having at least one metal-oxide semiconductor (MOS) transistor thereon; a pixel electrode array disposed on the substrate; a plurality of color filters with at least two different colors disposed on the pixel electrode array, wherein adjacent color filters comprise a gap therebetween and at least two of the color filters are not coplanar; an inorganic film disposed on the color filters and within the gap; and an organic film covering the inorganic film entirely.Type: GrantFiled: September 2, 2009Date of Patent: March 27, 2012Assignee: United Microelectronics Corp.Inventors: Kuan-Hsiung Wang, Yi-Tyng Wu
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Patent number: 8130351Abstract: An array substrate for an in-plane switching mode liquid crystal display device includes a substrate, a gate line along a first direction on the substrate, a data line along a second direction and crossing the gate line to define a pixel region, a common line on the substrate, a thin film transistor connected to the gate and data lines, a pixel electrode in the pixel region and connected to the thin film transistor, the pixel electrode including horizontal parts along the first direction, and a common electrode in the pixel region and connected to the common line, the common electrode including horizontal portions along the first direction, wherein the pixel electrode and the common electrode are formed on a same layer.Type: GrantFiled: December 28, 2006Date of Patent: March 6, 2012Assignee: LG Display Co., Ltd.Inventors: Byoung-Ho Lim, Hyun-Kyu Lee, Do-Sung Kim, Byung-Koo Kang, Do-Young Lee, Eui-Tae Kim, Sang-Wook Park
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Patent number: 8120746Abstract: A display panel includes (i) a first substrate and a second substrate, which face each other, (ii) a medium layer being sandwiched between the first and second substrate, and (iii) first electrodes and second electrodes being provided on that side of the first substrate which faces the second substrate, the display panel performing display operation by generating an electric field between the first and second electrodes. The display panel is configured such that the medium layer comprises a medium that is optically isotropic when no electric field is applied thereon, and whose optical anisotropy magnitude is changeable by and according to the electric field applied thereon; and the first and second electrodes are transparent electrodes, and a distance between the first and the second electrodes is shorter than a distance between the first substrate and second substrate. This configuration attains gives the display panel high response speed and high transmissivity.Type: GrantFiled: September 20, 2006Date of Patent: February 21, 2012Assignee: Sharp Kabushiki KaishaInventors: Seiji Shibahara, Shoichi Ishihara, Koichi Miyachi
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Patent number: 8115879Abstract: A liquid crystal display has a driving substrate on which transparent pixel electrodes are formed; a counter substrate on which a counter electrode is formed; and a liquid crystal material disposed between the driving and counter substrates. Liquid crystal material molecules are oriented orthogonally to the substrates. The driving substrate has pixel capacitors and pixel transistors formed thereon, with the pixel capacitors disposed under the pixel electrodes. The pixel transistors act to write signal voltages to the pixel electrodes and pixel capacitors. The pixel electrodes have slits formed over the pixel capacitors to orient the the liquid crystal material molecules orthogonally and in a split manner. Each of the pixel capacitors has an electrode for reflecting light and forms a reflective region. Liquid crystal material portions in the reflective regions have a thickness greater than half the thickness of liquid crystal material portions in other transmissive regions.Type: GrantFiled: June 26, 2007Date of Patent: February 14, 2012Assignee: Sony CorporationInventors: Hidemasa Yamaguchi, Shuichi Tatemori, Masaaki Kabe, Yosuke Motoyama, Eiji Sakai
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Liquid crystal display device having a light-sensing thin film transistor disposed at a pixel region
Patent number: 8111344Abstract: The disclosure describes a liquid crystal display device with a sensing function and a method of fabricating the same. The device comprising gate and data lines crossing each other on a substrate, so as to define a pixel region including a pixel electrode; a first switching thin film transistor disposed at a crossing of the gate and data lines; a sensing thin film transistor, disposed at a predetermined portion of the pixel region, that senses external light; a sensing storage capacitor that stores a signal sensed by the sensing thin film transistor; and a second switching thin film transistor that receives the sensing signal stored and reads information that is externally inputted, wherein the sensing storage capacitor and the second switching thin film transistor are provided with a reflective region including a reflective electrode.Type: GrantFiled: December 31, 2007Date of Patent: February 7, 2012Assignee: LG Display Co., Ltd.Inventors: Su Hwan Moon, Tae Hwan Kim -
Patent number: 8111363Abstract: A LCD device includes a gate line on a substrate and a data line crossing the gate line to define a pixel area; a thin film transistor source and drain electrodes; a common line parallel to the gate line; a common electrode extended from the common line and a pixel electrode extending from the drain electrode wherein the gate line and the common line have a first conductive layer group having at least double conductive layers, and the common electrode is formed by an extension of at least one transparent conductive layer of the common line; and the gate line, the source electrode and the drain electrode have a second conductive layer group having at least double conductive layers, and the pixel electrode is formed by an extension of at least one transparent conductive layer of the drain electrode.Type: GrantFiled: November 22, 2010Date of Patent: February 7, 2012Assignee: LG Display Co., Ltd.Inventor: Byung Chul Ahn
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Patent number: 8107040Abstract: A transflective LCD panel includes scan lines, data lines, transmissive pixels and reflective pixels. Each transmissive pixel is configured to receive a transmissive pixel voltage transmitted from one of the data lines and displays a first gray level related to the transmissive pixel voltage. Each reflective pixel receives a reflective pixel voltage transmitted from one of the data lines and displays a second gray level related to the reflective pixel voltage. When the transmissive pixel and the reflective pixel are used to display a same gray level, the transmissive pixel voltage and the reflective pixel voltage are predetermined such that corresponding first and second gray levels substantially equal each other.Type: GrantFiled: February 24, 2010Date of Patent: January 31, 2012Assignee: Chimei Innolux CorporationInventors: Chao-Lien Lin, Ting-Yi Wu, Yi-Chin Lee
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Patent number: 8107027Abstract: The present invention relates to a liquid crystal display that includes a substrate, gate lines formed on the substrate, storage electrode lines extending in the same direction as the gate lines, and data lines intersecting the gate lines. Pixel electrodes can be connected to the thin film transistors and can be arranged in a matrix. The pixel electrodes can include a first edge parallel to the gate lines and a second edge with a second length shorter than a first length of the first edge. The second edge can be parallel to the data lines. When a first pixel electrode and a second pixel electrode are disposed on two sides of a storage electrode line, one of the first edge of the first pixel electrode and the first edge of the second pixel electrode may overlap the storage electrode line.Type: GrantFiled: September 4, 2009Date of Patent: January 31, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-Gyu Kim