公开(公告)号：WO2006126549B1

公开(公告)日：2007-02-15

申请号：PCT/JP2006310266

申请日：2006-05-23

Applicant: SONY CORP ,  SATO SATOSHI ,  KAWAMURA SATOSHI ,  SENOUE MASAHARU ,  FURUKAWA NORIMASA ,  SASAKI KENICHI

Inventor： SATO SATOSHI ,  KAWAMURA SATOSHI ,  SENOUE MASAHARU ,  FURUKAWA NORIMASA ,  SASAKI KENICHI

IPC: G02B5/28 ,  G02F1/1335

CPC classification number: G02B5/286 ,  G02F1/133509 ,  G02F1/133603 ,  G02F2001/133521 ,  G02F2203/055

Abstract: There is provided a liquid crystal display device capable of suppressing coloring of an image when a liquid crystal panel is viewed in an oblique direction. An optical filter (4) is arranged on the front-most surface of the liquid crystal panel (11). The optical filter (4) changes transmittance when visible light of a predetermined wavelength range is emitted in an oblique direction than when emitted in the front direction. When a wide color range light source such as an LED is employed as a light source (8) of a backlight unit (12), the entire screen appears reddish and the color temperature tends to be lowered if the liquid crystal panel (11) is viewed in an oblique direction. In this case, by configuring the optical filter (4) so as to selectively attenuate the intensity of the red-based visible light range and increase the intensity of the blue-based visible light range, it is possible to suppress reddish-ness of the screen when viewed in an oblique direction.

Abstract translation: 提供一种当在倾斜方向观看液晶面板时能够抑制图像着色的液晶显示装置。 在液晶面板（11）的最前面配置有滤光器（4）。 当沿着正向发射的倾斜方向发出预定波长范围的可见光时，滤光器（4）改变透射率。 当使用诸如LED的宽色彩范围光源作为背光单元（12）的光源（8）时，如果液晶面板（11）是（...），则整个屏幕显示为微红色，并且如果液晶面板 从倾斜的方向看。 在这种情况下，通过将滤光器（4）配置为选择性地衰减红色可见光范围的强度并增加蓝色可见光范围的强度，可以抑制红色可见光范围的红色 在倾斜方向观看屏幕。

公开(公告)号：DE602008006120D1

公开(公告)日：2011-05-26

申请号：DE602008006120

申请日：2008-04-22

Applicant: SONY CORP

Inventor： FURUKAWA NORIMASA

IPC: G02F1/13357

公开(公告)号：BRPI1000097A2

公开(公告)日：2011-03-29

申请号：BRPI1000097

申请日：2010-01-19

Applicant: SONY CORP

Inventor： FURUKAWA NORIMASA

IPC: G09G3/34 ,  G02F1/01

Abstract: A color display unit is provided, which allows color display to be performed with high efficiency in utilizing light as compared with a prior type using all of RGB color filters. The color display unit includes a light source section (30) having plural kinds of color LEDs (31,32,33), and includes a display section (10) controlling transmissivity of light from the light source section (30) in synchronization with light emission control by the light source section (30), to achieve desired color display. The display section (10) has a full-color transmittable region (18) and a partially transmittable region (19). The full-color transmittable region (18) allows all color components of the light to be transmitted, while the partially transmittable region (19) inhibits passage of one or more in the color components of the light. The display section (10) controls the transmissivity of the light independently for each of the full-color transmittable region (18) and the partial transmittable region (19).

公开(公告)号：IN536MUN2014A

公开(公告)日：2015-06-19

申请号：IN536MUN2014

申请日：2014-03-25

Applicant: SONY CORP

Inventor： FURUKAWA NORIMASA ,  OKUYAMA KENTARO

IPC: F21S2/00 ,  F21V3/04 ,  F21V7/22 ,  H05B44/00

Abstract: Provided are an illumination device which allows for the use of a backlight a display device equipped with the illumination device and an electronic device. The display device is provided with a display panel and the illumination device for illuminating said display device. The illumination device comprises sequentially from said display panel side a light guide plate having a light source on the side face thereof a spread spectrum modulation element which can modulate between a first state where the light from said light source is spread and a second state where the incident light from the rear side is transmitted through the front side and a reflection modulation element which can modulate between a third state where the spread and transmitted light of said spread spectrum modulation element is reflected in the front direction and a fourth state where the incident light from the rear side is transmitted through the front side.

公开(公告)号：EP1586939A4

公开(公告)日：2008-02-20

申请号：EP04771476

申请日：2004-08-10

Applicant: SONY CORP

Inventor： YANO TOMOYA ,  FURUKAWA NORIMASA ,  MURAYAMA HIROSHI

IPC: G02B5/30 ,  G02F1/13363 ,  G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/133634 ,  G02B5/3083 ,  G02F1/134363 ,  G02F2001/133749

Abstract: When polarizing plates (10A, 10B) comprising a protective layer having a negative phase difference are employed, a phase difference plate optimized in accordance with the negative phase difference is inserted at a position P1 between a liquid crystal plate (20) and the exit-side polarizing plate (10B) and/or a position P2 between the entrance-side polarizing plate (10A) and the liquid crystal plate (20), thus reducing missing of black-level light in the orientation of 45˚. Optical compensation for improving the view angle in black display is thereby effected in an in-plane-switching-mode liquid crystal display.

Abstract translation: 当采用包括具有负相位差的保护层的偏振片（10A，10B）时，将根据负相位差优化的相位差片插入液晶板（20）和出射面之间的位置P1， （10B）和/或入射侧偏振片（10A）与液晶板（20）之间的位置P2，从而减少45°取向的黑色光的缺失。 由此在面内切换模式的液晶显示器中实现用于改善黑色显示中的视角的光学补偿。

公开(公告)号：EP1884806A4

公开(公告)日：2009-07-29

申请号：EP06746750

申请日：2006-05-23

Applicant: SONY CORP

Inventor： SASAKI KENICHI ,  FURUKAWA NORIMASA ,  SENOUE MASAHARU ,  KAWAMURA SATOSHI ,  SATO SATOSHI

IPC: G02B5/28 ,  G02F1/1335

CPC classification number: G02B5/286 ,  G02F1/133509 ,  G02F1/133603 ,  G02F2001/133521 ,  G02F2203/055

Abstract: A liquid-crystal display that can inhibit the coloring of an image when a liquid-crystal panel is viewed from an oblique direction is provided. An optical filter 4 is disposed at the forward end of a liquid-crystal panel 11, the optical filter 4 having different transmittances between a light component that travels in an oblique direction and a light component that travels in a direction normal to the multilayer, both of the light components having a predetermined wavelength range. In the case where a wide-color-gamut light source, such as LEDs, is used as a light sources 8 of a backlight unit 12, when the liquid-crystal panel 11 is viewed from an oblique direction, the entire image area tends to be reddish, and the color temperature tends to decrease. In this case, the optical filter 4 is configured such that the intensity of a visible red light component is selectively reduced and such that the intensity of a visible blue light component is increased, thereby inhibiting the reddening of an image area when viewed from an oblique direction.

公开(公告)号：EP1672706A4

公开(公告)日：2008-06-04

申请号：EP05758237

申请日：2005-07-08

Applicant: SONY CORP

Inventor： FURUKAWA NORIMASA ,  ICHIKAWA HIROAKI ,  KIKUCHI KENICHI

IPC: G09G3/34

CPC classification number: H05B33/0815 ,  G09G3/3413 ,  G09G3/342 ,  G09G2320/041 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2360/145 ,  H05B33/0818 ,  H05B33/0857 ,  H05B33/0872

Abstract: A drive unit for a back light unit (20) having a plurality of LED (Light Emission Diode) elements concatenated for each of three primary colors, comprising a signal generating unit (44) for generating a signal with an arbitrary amplitude, a unit (50) for regulating the light emitting quantities of LED element groups (30) based on a signal generated by the signal generating unit (44), a voltage applying unit (41) for applying a specified voltage to each of LED element groups (30), a light emitting quantity detection unit (33) for detecting a light quantity emitted from an LED element group (30) according to a voltage applied by the voltage applying unit (41), a calorie detection unit (32) for detecting calorie emitted from an LED element group (30), and a control unit (50) for controlling the signal generating unit (44) based on a light emitting quantity detected by the light emitting quantity detection unit (33) and calorie detected by the calorie detection unit (32).

公开(公告)号：EP1739757A4

公开(公告)日：2008-03-19

申请号：EP05721384

申请日：2005-03-24

Applicant: SONY CORP

Inventor： FURUKAWA NORIMASA

IPC: G02F1/13357 ,  G02F1/133 ,  G09G3/34 ,  H01L33/00 ,  H05B33/08

CPC classification number: H05B33/089 ,  G02F1/133603 ,  G09G3/342 ,  G09G2300/0452 ,  G09G2320/064 ,  H05B33/0818 ,  H05B33/0857

Abstract: A constant current driver for driving a plurality of light emitting diodes connected in series with a constant current through a pulse width modulation constant current drive circuit. Thyristors (81A-81E) connected, respectively, in parallel with a plurality of light emitting diodes (41A-41E) connected in series are turned off during normal operation of the light emitting diodes (41A-41E) connected in series by gate potential setting circuits (83A-83E) provided in bypass circuits (80A-80E) comprising the thyristors (81A-81E). When a light emitting diode (41A-41E) is in open state, a thyristor connected in parallel with a light emitting diode in open state is provided with a gate potential for turning the thyristor on.

公开(公告)号：JPH0822247A

公开(公告)日：1996-01-23

申请号：JP17950294

申请日：1994-07-06

Applicant: SONY CORP

Inventor： FURUKAWA NORIMASA

IPC: G09B21/00 ,  G01C21/00 ,  G01S19/14 ,  G01S19/52 ,  G08G1/0969 ,  G09B29/10 ,  G10L13/00 ,  G01S5/14 ,  G10L3/00

Abstract: PURPOSE:To obtain a navigation device which is excellent in operability by providing the approximate time required for a moving body in arriving at a destination or the approximate time for this moving body in arriving at the destination in accordance with an average moving speed. CONSTITUTION:The map displayed on a display 8 is freely selectable by using an input device 9. A cursor is moved to one point on the map by this device 9 to send the coordinates of the destination to a graphic processing microcomputer 5. This computer 5 periodically measures the distance from a present position to the destination in accordance with the coordinates of the inputted destination and the coordinates of the present position obtd. from GPS radio waves. The average speed vector to the designation direction is calculated by averaging the speed vectors to the destination direction obtd. at the point of the time of the measurement. The computer 5 is capable of determining the time required for arriving at the destination at the present average speed by dividing the distance between the destination and the moving body by the average speed vector obtd. in such a manner.