序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
181 DISPLAY PANEL AND DISPLAY APPARATUS HAVING THE SAME US13710942 2012-12-11 US20130250498A1 2013-09-26 Young-ki SHON
A display panel is provided with a panel body, and a protective film which is adhered to a front surface of the panel body by an adhesive, and a rear surface of the protective film adhered to the panel body includes a convex portion and a concave portion which are formed alternately.
182 Display device having reduced reflection of visible light US13290620 2011-11-07 US08542223B2 2013-09-24 Sang-Jae Kim; Seungbeom Park; Hee Wook Do; Kwang-Hyun Kim; Daewon Kim; Gwan Young Na
A display device includes a display panel, a polarization film, and a wave plate. Below the wave plate and the polarization film there is provided a plurality of optical sensors disposed within the display panel. The display panel includes first and second substrates facing each other and a plurality of pixels configured to display an image. The optical sensors are configured to sense light in one or more predetermined light bands. The wave plate is configured to rotate polarization of first light that has passed upwardly through the polarization film such that the combination of upward and downward (reflected) passage of the light is rotated by about 90 degrees. The so-rotated light is blocked from passing down through the polarization film; advantageously, the so-rotated light is prevented from interfering with the optical sensors.
183 OPTICAL WAVEGUIDE DEVICE US13876717 2011-09-29 US20130195400A1 2013-08-01 Norikazu Miyazaki; Kei Katou
An optical waveguide device is provided which can efficiently guide undesired light to the outside of a substrate or the outside of the overall optical waveguides even when optical waveguides are integrated. In the optical waveguide device, an optical waveguide is formed on a substrate, the optical waveguide includes a main waveguide in which signal light propagates and an undesired-light waveguide for removing undesired light from the main waveguide, and the undesired-light waveguide is separated by the main waveguide interposed therebetween at an intersection in which the undesired-light waveguide and the main waveguide intersect each other.
184 OPTICAL-PATH-SWITCHING APPARATUS AND LIGHT SIGNAL OPTICAL-PATH-SWITCHING METHOD US13637582 2011-03-29 US20130057945A1 2013-03-07 Ichiro Ueno; Takashi Hiraga; Noritaka Yamamoto; Hirobumi Watanabe; Shiro Futaki; Noriyasu Shiga; Norio Tanaka; Shigeru Takarada
An optical-path-switching apparatus according to the present invention includes a reducing optical system capable of guiding signal light and control light along the direction of gravity into a thermal-lens-forming optical element having an incidence plane positioned to be perpendicular to the direction of gravity in such a way as to differentiate respective convergence points in a direction perpendicular to the optical axis. The apparatus further includes a light-receiving unit configured to converge or condense straight-traveling signal light in the absence of irradiation with the control light and signal light whose optical path has been switched due to irradiation with the control light using the same optical element. Further, the apparatus includes a wedge-type prism provided at a passing position of the optical-path-switched signal light to increase the distance between the optical axis of the optical-path-changed signal light and the optical axis of the straight-traveling signal light.
185 Reflective liquid crystal display device and manufacturing method thereof US13074025 2011-03-29 US08300187B2 2012-10-30 Sheng-Fa Liu; Yu-Hsien Chen; Bao-Sian Ciou; Chun-Yu Shen; Huai-An Li
A reflective liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment layer, and a second alignment layer. The first substrate and the second substrate are disposed oppositely to each other. The liquid crystal layer is disposed between the first substrate and the second substrate. The liquid crystal layer includes a plurality of liquid crystal molecules for reflecting light within a wavelength range and allowing light beyond the wavelength range to pass through. The second alignment layer is disposed on an inner side of the first substrate facing the second substrate, and the second alignment layer is employed to absorb the light passing through the liquid crystal layer and align the liquid crystal molecules.
186 Polarized-light splitting device, display including the same, method of manufacturing the same, and apparatus for manufacturing the same US11819415 2007-06-27 US08154690B2 2012-04-10 Yoshihide Nagata; Atsushi Sato; Hitomu Watanabe; Ji Woo Kim
A polarized-light splitting device includes a transmissive base member having a base portion and pattern of ridges on the base portion, and a non-transmissive layer on the ridges, wherein the non-transmissive layer includes a light reflecting portion, and a light absorbing portion.
187 Double-sided backlight unit with different area first and second LCD panels and having a first light-diffusing sheet between a light guide plate and light-absorbing sheet and second light-diffusing sheet between the light guide plate and the second LCD panel US11435531 2006-05-17 US07630037B2 2009-12-08 Takashi Shimura
A single light guide plate illuminates both first and second liquid crystal display panels opposed to each other, the second liquid crystal display panel having a larger display area than that of the first liquid crystal display panel. A light-absorbing sheet is provided between the light guide plate and the first liquid crystal display panel to absorb light from the light guide plate and has a light-transmitting part aligned with the first liquid crystal display panel in a direction from the light guide plate toward the first liquid crystal display panel to transmit light from the light guide plate to the first liquid crystal display panel. A reflective polarizing sheet is provided between the second liquid crystal display panel and the light guide plate. The light-absorbing sheet eliminates brightness unevenness on the second liquid crystal display panel, which would otherwise occur due to the influence of the first liquid crystal display panel, and the reflective polarizing sheet allows effective utilization of light from the light guide plate.
188 POLARIZING PLATE, METHOD OF FABRICATING THE SAME, AND LIQUID CRYSTAL DISPLAY HAVING THE SAME US11962567 2007-12-21 US20080170184A1 2008-07-17 Ho-Yun BYUN; Duck-Jong SUH; Sung Hwan HONG; Sung-Kyu HONG; Nam-Seok LEE
Disclosed are a polarizing plate, a method of fabricating the polarizing plate, and a liquid crystal display including the polarizing plate. The polarizing plate includes a polarizing film and a supporting film arranged on at least one of an upper surface and a lower surface of the polarizing film. At least one of the polarizing film and the supporting film includes a light absorbing material that partially absorbs the light polarized by the polarizing film. The liquid crystal display includes a liquid crystal panel and the polarizing plate including the light absorbing material. The liquid crystal panel includes first and second substrates facing each other and a liquid crystal layer interposed between the first and second substrates. The polarizing plate is attached to the liquid crystal panel.
189 Reflective liquid crystal display US10756371 2004-01-14 US07310125B2 2007-12-18 Yong Beom Kim; Soon Bum Kwon; Heume Il Baek
A reflective liquid crystal display includes a linear polarizer for converting natural light into linearly polarized light; a retardation film for converting the linearly polarized light into circularly polarized light; a liquid crystal layer for varying the phase of the light differently depending on the presence or absence of an electric field; a cholesteric liquid crystal color filter for selectively reflecting light received from the liquid crystal layer; and a black background for absorbing light passing through the color filter.
190 Liquid crystal display with liquid crystal panel having light absorbing spacers adjoining thin film transistors US11725788 2007-03-19 US20070216849A1 2007-09-20 Zi-Sheng Pan
An exemplary liquid crystal panel (10) includes an upper substrate (12), a lower substrate (14) located opposite to the upper substrate, a liquid crystal layer (15) located between the upper substrate and the lower substrate, and a plurality of spacers (16). The lower substrate includes a plurality of thin film transistors (145) formed thereat. The spacers adjoin top portions of the thin film transistors and extend to the upper substrate respectively. The spacers are configured for absorbing light beams passing through the thin film transistors.
191 Two-way trans-reflective display US10975584 2004-10-28 US07259815B2 2007-08-21 Sen Yang; Robert B. Akins; Robert D Polak; Zhiming Zhuang
A two-way trans-reflective display pixel (100) having two viewable sides (102, 104) is disclosed. The two-way trans-reflective display pixel has a first transparent layer (106), a second transparent layer (108), and light modulating medium (110) sandwiched between them. Both the first and second transparent layers (106, 108) have light reflectors (132, 136) and light absorbers (130, 134), which allow light entering from either viewable sides (102, 104) to partially reflected, partially absorbed, and partially transmitted, allowing an image to be viewable from both viewable sides (102, 104). A two-way trans-reflective display (402) comprising a plurality of two-way trans-reflective display pixels (100) and a transparent light source (412) is also disclosed. The transparent light source (412) provides color light, and enables an image from the two-way trans-reflective display (402) to be viewable in color from both first and second viewable sizes (418, 602).
192 Optical modulator US11389726 2006-03-27 US20070053625A1 2007-03-08 Masayuki Ichioka; Katsutoshi Kondou; Yasuhiro Ishikawa; Takashi Shinriki; Satoshi Oikawa; Junichiro Ichikawa
An optical modulator using a thin plate capable of improving an S/N ratio of an output light is provided. The optical modulator including a thin plate 1 having an electrooptic effect and having a thickness of 20 μm or less, an optical waveguide 4 formed on a top or bottom surface of the thin plate, and a modulation electrode formed on the top surface of the thin plate to modulate light passing through the optical waveguide, wherein a stray light removing member 10 is disposed within the thin plate or in a vicinity of the thin plate.
193 Optically addressed spatial light modulator (OASLM) with dielectric mirror comprising layers of amorphous hydrogenated carbon US10471472 2002-03-11 US07092046B2 2006-08-15 Nikolai Alexandrovich Feoktistov; Arkady Pavlovich Onokhov; Elena Anatolievna Konshina
A reflective type liquid crystal optically addressed spatial light modulator has a first transparent substrate (1b), a first transparent electrode (2b) formed on the first transparent substrate (1b) and a photosensitive layer (3) formed on the first transparent electrode, formed from materials including hydrogenated amorphous silicon carbide (a-Si:C:H). A read-out light-blocking layer (4) is formed on top of the photosensor layer (3) and is formed from amorphous hydrogenated carbon (a-C:H). The high reflectance dielectric multilayer mirror (5) is formed on top of the light-blocking layer (4) and can be made of alternating the a-Si:C:H layers with a higher refractive index and the a-C:H layers with lower reflective index. The modulator also has a second transparent substrate (1a), a second transparent electrode (2a) formed on the second transparent substrate (1a), and a liquid crystal layer (8) disposed between the dielectric mirror (5) and the second transparent electrode (2a). The invention allows more efficient separation of the input and read lights and increases the read light reflection, resulting in improvements to the input sensitivity, resolution, contrast ratio, and diffraction efficacy.
194 Liquid crystal display apparatus US11205207 2005-08-17 US20060066788A1 2006-03-30 Yuka Utsumi; Yasushi Tomioka; Masaki Matsumori; Shigeru Matsuyama; Noboru Kunimatsu; Tsunenori Yamamoto
A liquid crystal display apparatus including one pair of substrates, at least one of said substrates being transparent, one pair of polarizing plates arranged on the paired substrates respectively, a liquid crystal layer sandwiched by the paired substrates, a liquid crystal display panel in which an electrode group is formed on at least one of the paired substrates and is to apply an electric field to the liquid crystal layer, and a light source unit arranged on a rear surface of the liquid crystal display panel, a monoaxial absorption anisotropic layer provided between the paired polarizing plates. In such apparatus, a high contrast ratio can be achieved due to suppression of black luminance. Also, better display qualities can be achieved by reducing a blue changing phenomenon of black representation.
195 Reflective liquid crystal display device US10756371 2004-01-14 US20040145690A1 2004-07-29 Yong Beom Kim; Soon Bum Kwon; Heume Il Baek
A reflective liquid crystal display includes a linear polarizer for converting natural light into linearly polarized light; a retardation film for converting the linearly polarized light into circularly polarized light; a liquid crystal layer for varying the phase of the light differently depending on the presence or absence of an electric field; a cholesteric liquid crystal color filter for selectively reflecting light received from the liquid crystal layer; and a black background for absorbing light passing through the color filter.
196 Reflective liquid crystal display device US09536636 2000-03-28 US06693689B1 2004-02-17 Yong Beom Kim; Soon Bum Kwon; Heume Il Baek
A reflective liquid crystal display includes a linear polarizer for converting natural light into linearly polarized light; a retardation film for converting the linearly polarized light into circularly polarized light; a liquid crystal layer for varying the phase of the light differently depending on the presence or absence of an electric field; a cholesteric liquid crystal color filter for selectively reflecting light received from the liquid crystal layer; and a black background for absorbing light passing through the color filter.
197 Cholesteric liquid crystal polarizing device US09883007 2001-06-15 US20020075434A1 2002-06-20 Yingqiu Jiang; Aharon Hochbaum
A cholesteric liquid crystal polarizing device includes a substrate, an alignment layer, and a cholesteric liquid crystal layer including multiple domains, each of said domains skewed at an angle relative to a plane parallel to said substrate. The device may be used in combination with a liquid crystal cell to fabricate a reflective liquid crystal display (LCD). In various embodiments, the reflective LCD may be a normally white mode or normally black mode device. In another variation, the liquid crystal cell may include a 90null twisted nematic liquid crystal.
198 Reflective liquid crystal display device having cholesteric liquid crystal color filter and method of fabricating the same US09893452 2001-06-29 US20020051105A1 2002-05-02 Sunghoe Yoon
A reflective liquid crystal display includes upper and lower substrates that are opposite to and are spaced apart from each other; a liquid crystal layer interposed between the upper and lower substrates; a transparent common electrode on the surface of the upper substrate opposite the lower substrate; a cholesteric liquid crystal (CLC) color filter that selectively reflects and transmits light, the CLC color filter formed over the lower substrate; a transparent pixel electrode on the CLC color filter; and a light absorption layer between the lower substrate and the lower substrate.
199 Display device having color filter EP11188267.6 2011-11-08 EP2453299B1 2018-05-23 Lee, Gae-hwang; Jang Jae-eun; Jung, Jae-eun; Hwang, Kyu-young
A display device may include a first substrate, a second substrate, reflective plates and a transparent electrode. The first substrate and the second substrate may be facing each other. The reflective plates may be on a surface of the first substrate facing the second substrate. The transparent electrode may be disposed on a surface of the second substrate facing the first substrate. Color filters and a polymer-dispersed liquid crystal (PDLC) layer may further be included in the display device. The color filters may be on the reflective plates, and the PDLC may be between the first substrate and the second substrate. The PDLC layer may include a polymer and liquid crystals dispersed in the polymer.
200 Liquid crystal display device comprising a blue light source and a quantum-dot colour generating structure and method of manufacturing said device EP14150478.7 2014-01-08 EP2757409B1 2018-03-28 Cai, Peizhi; Dong, Xue; Chen, Xi; Yang, Dong
A liquid crystal display device and a method of manufacturing it are provided. The display device includes a blue light backlight source (1) and a liquid crystal display panel (2), wherein the liquid crystal display panel comprises a first substrate (22) and a second substrate (21). The first substrate or the second substrate includes a layered assembly, functioning as a colour filter and including a black matrix pattern (201), a red pixel pattern (202) and a green pixel pattern (203), wherein the red pixel pattern and the green pixel pattern are quantum dot material thin-film patterns respectively emitting red light and green light upon excitation by blue light. The red pixel pattern (202) is separated from the black matrix pattern (201) by an intervening first passivation layer (241); furthermore, the red and green pixel patterns are mutually separated by an intervening second passivation layer (242), and the green pixel pattern (203) is covered by a protection layer (243).
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