DE20202160U1 - Photoconductor cell with optical change in light color - Google Patents

Photoconductor cell with optical change in light color

Info

Publication number
DE20202160U1
DE20202160U1 DE20202160U DE20202160U DE20202160U1 DE 20202160 U1 DE20202160 U1 DE 20202160U1 DE 20202160 U DE20202160 U DE 20202160U DE 20202160 U DE20202160 U DE 20202160U DE 20202160 U1 DE20202160 U1 DE 20202160U1
Authority
DE
Germany
Prior art keywords
photoconductor cell
photoconductor
cell
light
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE20202160U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wintek Corp
Original Assignee
Wintek Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wintek Corp filed Critical Wintek Corp
Priority to DE20202160U priority Critical patent/DE20202160U1/en
Publication of DE20202160U1 publication Critical patent/DE20202160U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133621—Illuminating devices providing coloured light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (5)

1. Photoleiterzelle zur optischen Veränderung der Farbe von Licht, wobei die Photo­ leiterzelle (21) an einer Flüssigkristallanzeige (1) mit einem Flüssigkristallmodul (10) angeordnet ist und ein Photoleitermodul (20) unterhalb einer Unterseite des Flüssig­ kristallmoduls (10) angeordnet ist und das Photoleitermodul (20) eine Photoleiterzelle (21) aus einem transparenten Substratwerkstoff aufweist und eine Oberseite der Photoleiterzelle (21) eine Lichtaustrittsfläche (211) besitzt und eine Unterseite der Photoleiterzelle (21) eine Lichtleifläche (212) besitzt, wobei eine reflektierende Schicht (22) unterhalb der Lichtleitfläche (212) angeordnet ist und eine Lichtquelle (23) an einer Seite der Photoleiterzelle (21) angeordnet ist, dadurch gekennzeichnet, dass eine aufhellende Schicht (25) und eine Farbänderungsschicht (26) einstückig unterhalb der Lichtaustrittsfläche (211) der Photoleiterzelle (21) angeordnet sind und die aufhellende Schicht (25) von einer Vielzahl von optischen Partikeln (251) gebildet ist und eine Außenfläche jedes optischen Partikels (251) mit einer Vielzahl von Vor­ sprüngen (252) ausgebildet ist, wobei die Farbänderungsschicht (26) mit einem vor­ bestimmten farbigen Stoff vermischt ist.1. photoconductor cell for optically changing the color of light, the photo conductor cell ( 21 ) being arranged on a liquid crystal display ( 1 ) with a liquid crystal module ( 10 ) and a photoconductor module ( 20 ) being arranged underneath an underside of the liquid crystal module ( 10 ) and the photoconductor module ( 20 ) has a photoconductor cell ( 21 ) made of a transparent substrate material and an upper side of the photoconductor cell ( 21 ) has a light exit surface ( 211 ) and an underside of the photoconductor cell ( 21 ) has a light-conducting surface ( 212 ), a reflective layer ( 22 ) is arranged below the light guide surface ( 212 ) and a light source ( 23 ) is arranged on one side of the photoconductor cell ( 21 ), characterized in that a brightening layer ( 25 ) and a color change layer ( 26 ) are made in one piece below the light exit surface ( 211 ) Photoconductor cell ( 21 ) are arranged and the brightening layer ht ( 25 ) is formed from a plurality of optical particles ( 251 ) and an outer surface of each optical particle ( 251 ) is formed with a plurality of projections ( 252 ), the color change layer ( 26 ) being mixed with a predetermined colored substance , 2. Photoleiterzelle nach Anspruch 1, wobei die aufhellende Schicht (25) zwischen der Lichtleitfläche (212) und der Farbänderungsschicht (26) angeordnet ist.2. The photoconductor cell according to claim 1, wherein the brightening layer ( 25 ) is arranged between the light guiding surface ( 212 ) and the color change layer ( 26 ). 3. Photoleiterzelle nach Anspruch 1, wobei die Farbänderungsschicht (26) unterhalb der Unterseite der aufhellenden Schicht (25) angeordnet ist. 3. The photoconductor cell according to claim 1, wherein the color change layer ( 26 ) is arranged below the underside of the brightening layer ( 25 ). 4. Photoleiterzelle nach Anspruch 1, wobei die Farbänderungsschicht (26) einstückig in der Photoleiterzelle (21) ausgebildet ist und die aufhellende Schicht (25) an einer Oberseite der Farbänderungsschicht (96) angeordnet ist.4. The photoconductor cell according to claim 1, wherein the color change layer ( 26 ) is formed in one piece in the photoconductor cell ( 21 ) and the brightening layer ( 25 ) is arranged on an upper side of the color change layer ( 96 ). 5. Photoleiterzelle nach Anspruch 1, wobei die Lichtleitfläche (212) der Photoleiter­ zelle (21) eine geneigte Fläche ist und die Photoleiterzelle (21) verjüngt ausgebildet ist mit einem dicken Ende (213) und einem dünnen Ende (214) und eine Lichtein­ trittsfläche (215) an einer seitlichen Seite des dicken Endes (213) der Photoleiterzelle (21) ausgebildet ist und eine Lichtquelle (23) an einer Seite der Lichteintrittsfläche (215) im Abstand zu dem dünnen Ende (214) der Photoleiterzelle (21) angeordnet ist und ein gekrümmter reflektierender Spiegel (24) an einer Seite der Lichtquelle (23) im Abstand zu der Photoleiterzelle (21) angeordnet ist.5. photoconductor cell according to claim 1, wherein the guide sheet (212) of the photoconductor cell (21) is an inclined surface and the photoconductor cell (21) is tapered tread surface with a thick end (213) and a thin end (214) and a Lichtein ( 215 ) is formed on a lateral side of the thick end ( 213 ) of the photoconductor cell ( 21 ) and a light source ( 23 ) is arranged on a side of the light entry surface ( 215 ) at a distance from the thin end ( 214 ) of the photoconductor cell ( 21 ) and a curved reflecting mirror ( 24 ) is arranged on one side of the light source ( 23 ) at a distance from the photoconductor cell ( 21 ).
DE20202160U 2002-02-13 2002-02-13 Photoconductor cell with optical change in light color Expired - Lifetime DE20202160U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20202160U DE20202160U1 (en) 2002-02-13 2002-02-13 Photoconductor cell with optical change in light color

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20202160U DE20202160U1 (en) 2002-02-13 2002-02-13 Photoconductor cell with optical change in light color

Publications (1)

Publication Number Publication Date
DE20202160U1 true DE20202160U1 (en) 2002-05-29

Family

ID=7967691

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20202160U Expired - Lifetime DE20202160U1 (en) 2002-02-13 2002-02-13 Photoconductor cell with optical change in light color

Country Status (1)

Country Link
DE (1) DE20202160U1 (en)

Similar Documents

Publication Publication Date Title
US10157896B2 (en) Method and apparatus for light diffusion
DE60202053T2 (en) FRONT-LIGHT TOUCH PANEL
DE102006026236B4 (en) Backlight unit
DE102005031615B4 (en) Backlight module with light mixing device
US6275338B1 (en) Light regulation device
DE60033264T2 (en) Lighting apparatus for display
US9086516B2 (en) Light-guide apparatus
DE102005024084B4 (en) Area light source device
DE2827573A1 (en) LARGE LIGHT SOURCE
EP3121628B1 (en) Electronic paper display
EP1701389B1 (en) Lens for light emitting diode and back light assembly having the same
CN202421527U (en) Light guide plate, face light source device and transmission image display device
EP0778440A3 (en) Backlighting device and color display device
DE102005059541A1 (en) LED light source and backlight module with such
CN109426035A (en) Display device with light conversion component and the method for manufacturing the display device
DE10310596A1 (en) Illumination panel for a display
CN209446930U (en) A kind of back light module unit structure of band lenti micro-structure
TW200532316A (en) Backlight module of direct type point light source and liquid crystal display device using the same
CN109991697A (en) Light guide plate
CN113126197B (en) Display device
DE20202160U1 (en) Photoconductor cell with optical change in light color
KR101600996B1 (en) Backlight unit with high color uniformity and display apparatus using the same
KR102298380B1 (en) Backlight unit and liquid crystal display device including the same
US7883768B2 (en) Backlight module, diffusion plate and method of manufacturing the same
DE20201968U1 (en) Color changing optical film

Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020704

R150 Term of protection extended to 6 years

Effective date: 20050303

R151 Term of protection extended to 8 years

Effective date: 20080331

R152 Term of protection extended to 10 years

Effective date: 20100430

R071 Expiry of right
R071 Expiry of right