CN106249503A - Optical element and electrophoretic display for display device - Google Patents
Optical element and electrophoretic display for display device Download PDFInfo
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- CN106249503A CN106249503A CN201610832011.5A CN201610832011A CN106249503A CN 106249503 A CN106249503 A CN 106249503A CN 201610832011 A CN201610832011 A CN 201610832011A CN 106249503 A CN106249503 A CN 106249503A
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- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
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- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F1/1679—Gaskets; Spacers; Sealing of cells; Filling or closing of cells
- G02F1/1681—Gaskets; Spacers; Sealing of cells; Filling or closing of cells having two or more microcells partitioned by walls, e.g. of microcup type
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- Nonlinear Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The present invention relates to a kind of optical element for display device and electrophoretic display.This optical element includes transparency carrier and covers the color layer on described transparency carrier, described color layer includes multiple photochromic material, described multiple photochromic material is on a surface of the transparent substrate in array distribution, present different colored and for translucent under the irradiation of different photochromic material light in the range of predetermined band, under the irradiation of the extraneous light of predetermined band colourless, described multiple photochromic material has the block array of different colours in the range of being formed at predetermined band on described transparency carrier.The embodiment of the present invention, by arranging the color layer being made up of photochromic material in the outside of the transparent front plate of electrophoretic display, makes electrophoretic display can show color content.
Description
Technical field
The present invention relates to display device field, particularly relate to a kind of optical element for display device and electrophoresis showed
Device.
Background technology
Electrophoretic display is the display that a kind of sensitive paper is the thinnest, soft and erasable, in recent years in billboard and price
Obtain on board and be increasingly widely applied.Existing electrophoretic display substantially can only manifest black-and-white two color, and this makes it apply
It is very limited.
Summary of the invention
Based on the deficiencies in the prior art, the technical issues that need to address of the present invention are to provide a kind of electricity that can show colour
Phoretic display and the optical element for display device.
On the one hand the embodiment of the present invention provides a kind of optical element for display device, and it includes transparency carrier and covering
Color layer on described transparency carrier, described color layer includes multiple photochromic material, described multiple photochromic material
On a surface of the transparent substrate in array distribution, under the irradiation of different photochromic material light in the range of predetermined band
Present different colored and for translucent, colourless under the irradiation of the extraneous light of predetermined band, described multiple photochromic
Material has the block array of different colours in the range of being formed at predetermined band on described transparency carrier.
Preferably, described photochromic material includes one or more of following material: acrylic acid-9-anthracene methyl ester, methyl
Acrylic acid-9-anthracene methyl ester, ethidium bromide-N, N`-bis-dimethylsilyl-acetamide, fluorescein-O-acrylate, 2-naphthyl acrylate, N-(1-
Naphthyl) ethylendiamine dihydrochloride, 7-[4-(trifluoromethyl) coumarin] acrylamide, 9-vinyl anthracene, polyacrylic acid-9-anthracene first
Ester, poly-(3,3 ', 4,4 '-benzophenone tetracarboxylic dianhydride-ALT-3,6-proflavin Hemisulphate), poly-(fluorescein O-third
Olefin(e) acid ester), poly-[(methyl methacrylate)-CO-methacryloxy fluorescein], poly-(2-naphthyl acrylate), poly-[N-
(1-naphthyl)-N phenyl acrylamide], poly-(pyromellitic acid anhydride-CO-thionine), poly-(2-vinyl naphthalene), CuPc, two
Chlorine three (1,10-phenanthroline) ruthenium (II) hydrate, 8-hydroxyquinoline mantoquita, four (2-methyl-8-hydroxyquinoline) boron lithium, 2,3-bis-
Chlorinated naphthalene Tin Phthalocyanine, three (8-hydroxyquinoline)-erbiums, 8-hydroxyquinoline aluminum, benzo [k] fluoranthene, 1,2-double (2-amino-benzene oxygen)-
Ethane-N, N, N ', N '-tetraacethyl, 2-tert-butyl group anthraquinone, 3,8-diaminourea-6-phenylphenanthridineand, 5,8-dihydroxy-1,4-naphthoquinone,
2,3-diphenyl maleic anhydride, 7-hydroxyl-4-trifluoromethyl coumarin, long Luo Liding, phenanthridines, 1-pyrene formaldehyde.
Preferably, described multiple photochromic material forms the array of multiple rectangle block on described transparency carrier,
Little repetitive is RGB, RGBG, RGBW or CMYW arrangement, and wherein R, G, B, C, M, Y, W are the most red, green, blue, blue or green
Color, magenta, yellow and colourless, colourless block does not covers described photochromic material.
Preferably, described photochromic material uses the mode being coated with, spray, print or printing to cover at described transparent base
On plate.
Preferably, the light of described predetermined band scope is ultraviolet light or infrared light.
On the other hand the embodiment of the present invention provides a kind of electrophoretic display, and it includes stacking gradually the saturating of connection from outside to inside
Bright header board, electrophoretic display layer and backboard, described transparent front plate and backboard are connected with control unit by circuit, at described electricity
Swimming display layer two ends apply the signal of telecommunication, and the light incident side in described transparent front plate is provided with the colour being parallel to described transparent front plate
Layer, described color layer includes that multiple photochromic material, described multiple photochromic material are being parallel to described transparent front plate
In array distribution in the plane on light incident side surface, present under the irradiation of different photochromic material light in the range of predetermined band
Different colored and be translucent, colourless under the irradiation of the extraneous light of predetermined band, described multiple photochromic material
There is in the range of being formed at predetermined band the block array of different colours.
Preferably, described photochromic material includes one or more of following material: acrylic acid-9-anthracene methyl ester, methyl
Acrylic acid-9-anthracene methyl ester, ethidium bromide-N, N`-bis-dimethylsilyl-acetamide, fluorescein-O-acrylate, 2-naphthyl acrylate, N-(1-
Naphthyl) ethylendiamine dihydrochloride, 7-[4-(trifluoromethyl) coumarin] acrylamide, 9-vinyl anthracene, polyacrylic acid-9-anthracene first
Ester, poly-(3,3 ', 4,4 '-benzophenone tetracarboxylic dianhydride-ALT-3,6-proflavin Hemisulphate), poly-(fluorescein O-third
Olefin(e) acid ester), poly-[(methyl methacrylate)-CO-methacryloxy fluorescein], poly-(2-naphthyl acrylate), poly-[N-
(1-naphthyl)-N phenyl acrylamide], poly-(pyromellitic acid anhydride-CO-thionine), poly-(2-vinyl naphthalene), CuPc, two
Chlorine three (1,10-phenanthroline) ruthenium (II) hydrate, 8-hydroxyquinoline mantoquita, four (2-methyl-8-hydroxyquinoline) boron lithium, 2,3-bis-
Chlorinated naphthalene Tin Phthalocyanine, three (8-hydroxyquinoline)-erbiums, 8-hydroxyquinoline aluminum, benzo [k] fluoranthene, 1,2-double (2-amino-benzene oxygen)-
Ethane-N, N, N ', N '-tetraacethyl, 2-tert-butyl group anthraquinone, 3,8-diaminourea-6-phenylphenanthridineand, 5,8-dihydroxy-1,4-naphthoquinone,
2,3-diphenyl maleic anhydride, 7-hydroxyl-4-trifluoromethyl coumarin, long Luo Liding, phenanthridines, 1-pyrene formaldehyde.
Preferably, described multiple photochromic material forms the array of multiple rectangle block, minimum repetitive be RGB,
RGBG, RGBW or CMYW arrange, wherein R, G, B, C, M, Y, W be respectively redness, green, blueness, cyan, magenta, yellow and
Colourless, colourless block does not covers described photochromic material.
Preferably, described electrophoretic display layer includes multiple microcapsule, has electrophoresis liquid and be suspended in electricity in each microcapsule
White particles in swimming liquid and black particles, described white particles is electrically charged, and described black particles is in neutral or band and white
The electric charge of particle opposite polarity.
Preferably, described electrophoretic display also includes swashing of the light in the range of irradiating predetermined band to described color layer
Luminous source, during described excitation source luminescence, described electrophoretic display display colour, when described excitation source is the most luminous, described electricity
Phoretic display display black and/or white.
Preferably, described transparent front plate or backboard are formed with multiple driving subelement circuit, the plurality of driving sub-list
Unit's circuit and the position one_to_one corresponding of the plurality of rectangle block.
Preferably, the light of described predetermined band scope is ultraviolet light or infrared light.
Preferably, described electrophoretic display layer includes multiple microcapsule, has electrophoresis liquid and be suspended in electricity in each microcapsule
Electrophoresis particle in swimming liquid.
Preferably, described photochromic material use the mode that is coated with, sprays, prints or prints cover described transparent before
The light incident side of plate；Or described electrophoretic display also includes color layer substrate, described photochromic material covers at described colour
The exiting side of laminar substrate, and described color layer substrate is connected with the light incident side of described transparent front plate；Or described electrophoretic display
Also including light guide plate, described photochromic material covers the exiting side at described light guide plate, and described light guide plate is transparent with described
The light incident side of header board connects.
Preferably, the exiting side of described transparent front plate is coated with conductive film, and described backboard is provided with display circuit, institute
State conductive film and display circuit to be connected with described control unit；Or the exiting side of described transparent front plate is provided with display electricity
Road, described backboard is provided with conductive film, described conductive film and display circuit and is connected with described control unit.
The embodiment of the present invention, by arranging the color layer being made up of photochromic material in the outside of transparent front plate, makes electrophoresis
Display can show color content.
Describing the present invention below in conjunction with the accompanying drawings in detail, it, as the part of this specification, illustrates this by embodiment
The principle of invention, other aspects of the present invention, feature and advantage thereof will be become apparent from by this detailed description.
Accompanying drawing explanation
The structural representation of the electrophoretic display that Fig. 1 provides for first embodiment of the invention.
The structural representation of the electrophoretic display that Fig. 2 provides for second embodiment of the invention.
The structural representation of the electrophoretic display that Fig. 3 provides for third embodiment of the invention.
The structural representation of the electrophoretic display that Fig. 4 provides for fourth embodiment of the invention.
Fig. 5-8 is the structural representation of four embodiments of photochromic material block array.
Fig. 9 and Figure 10 is the working state schematic representation of the electrophoretic display that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the goal of the invention of the present invention, technical scheme and technique effect thereof become apparent from, below in conjunction with accompanying drawing and tool
The present invention is described in detail for body embodiment.It should be appreciated that the detailed description of the invention described in this specification is only
It is to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1 to Fig. 8, on the one hand the embodiment of the present invention provides a kind of optical element for display device, its bag
Include transparency carrier and cover color layer 14 on the transparent substrate.In one embodiment, transparency carrier is electrophoretic display
Transparent front plate 13, as shown in Figure 1 and Figure 4.In another embodiment, transparency carrier is a coloured silk aiming at that this color layer 14 sets
Chromatograph substrate 15, as shown in Figure 2.Transparency carrier can also be a light guide plate 16, as shown in Figure 3.Certainly, in other embodiments
In, transparency carrier can also be other elements.
Refer to Fig. 5 to Fig. 8, color layer 14 includes multiple photochromic material, and multiple photochromic material is at transparent base
In array distribution on the surface of plate, present different colored under the irradiation of different photochromic material light in the range of predetermined band
And be translucent, then in colorless state under the irradiation of the extraneous light of predetermined band, so that this multiple light-induced variable
Color material has the array of the block 141 of different colours in the range of being formed at predetermined band on the transparent substrate.Predetermined band model
The light enclosed can be ultraviolet light, it is also possible to for infrared light, it might even be possible to be visible ray.In a preferred embodiment, photochromic material
Material can with use be coated with, spray, print, the mode such as printing covers on the transparent substrate, forms this color layer 14.
Preferably, multiple photochromic material forms multiple rectangle region block array, minimum repetitive on the transparent substrate
In RGB, RGBG, RGBW or CMYW arrange, wherein R, G, B, C, M, Y, W be respectively redness, green, blueness, cyan, magenta,
Yellow and colourless, colourless block does not covers photochromic material.It should be noted that the shades of colour of indication herein, refer to
The lower color presented of irradiation of the light in the range of predetermined band.RGB arrangement mode as shown in Figure 8, i.e. three R, G, B blocks
141 are arranged in a minimum repetitive in horizontal or vertical direction, and wherein the order of R, G, B is interchangeable, then repeat single with this minimum
On the basis of unit, transversely repeat, with longitudinal, multiple minimum repetitive of arranging.The arrangement mode of RGBG is as it is shown in figure 5, i.e. four
The rectangular arrangement of R, G, B, G block forms a minimum repetitive, and two G blocks are diagonal distribution, then with this minimum
On the basis of repetitive, transversely repeat, with longitudinal, multiple minimum repetitive of arranging.Similar with RGBG arrangement mode, RGBW arranges
Cloth is that the rectangular arrangement of tetra-blocks of R, G, B, W forms a minimum repetitive, and the order of R, G, B, W is interchangeable, such as Fig. 6 institute
Show；CMYW arrangement is then that the rectangular arrangement of tetra-blocks of C, M, Y, W forms a minimum repetitive, and the order of C, M, Y, W can
Change, as shown in Figure 7.
Photochromic material preferably includes one or more of following material: acrylic acid-9-anthracene methyl ester (9-
Anthracenylmethyl acrylate), methacrylic acid-9-anthracene methyl ester (9-Anthracenylmethyl
Methacrylate), ethidium bromide-N, N`-bis-dimethylsilyl-acetamide (Ethidium bromide-N, N '-bisacrylamide), glimmering
Light element-O-acrylate (Fluorescein o-acrylate), 2-naphthyl acrylate (2-Naphthyl acrylate),
[4-(trifluoromethyl) is fragrant for N-(1-naphthyl) ethylendiamine dihydrochloride (N-(1-Naphthyl)-N-phenylacrylamide), 7-
Legumin] acrylamide (7-[4-(Trifluoromethyl) coumarin] acrylamide), 9-vinyl anthracene (9-
Vinylanthracene), polyacrylic acid-9-anthracene methyl ester (poly 9-Anthracenylmethyl acrylate), poly-(3,
3 ', 4,4 '-benzophenone tetracarboxylic dianhydride-ALT-3,6-proflavin Hemisulphate) (Poly (3,3 ', 4,4 '-
benzophenonete tracarboxylic dianhydride-alt-3,6-diaminoacridine
Hemisulfate)), poly-(fluorescein O-acrylate) (Poly (fluorescein O-acrylate)), poly-[(metering system
Acid methyl ester)-CO-methacryloxy fluorescein] (Poly (fluorescein O-methacrylate)), poly-(2-naphthyl
Acrylate) (Poly (2-naphthyl acrylate)), poly-[N-(1-naphthyl)-N phenyl acrylamide] (Poly [N-(1-
Naphthyl)-N-phenylacrylamide]), poly-(pyromellitic acid anhydride-CO-thionine) (Poly (pyromellitic
Dianhydride-co-thionin)), poly-(2-vinyl naphthalene) (Poly (2-vinylnaphthalene)), CuPc
(Copper (II) phthalocyanine), dichloro three (1,10-phenanthroline) ruthenium (II) hydrate (Dichlorotris (1,10-
Phenanthroline) ruthenium (II) hydrate), 8-hydroxyquinoline mantoquita (8-Hydroxyquinoline copper
(II) salt), four (2-methyl-8-hydroxyquinoline) boron lithium (Lithium tetra (2-methyl-8-
Hydroxyquinolinato) boron), 2,3-dichloride naphthalene Tin Phthalocyanine (Tin (IV) 2,3-naphthalocyanine
Dichloride), three (8-hydroxyquinoline)-erbiums (Tris (8-hydroxyquinolinato) erbium (III)), 8-hydroxyl quinoline
Quinoline aluminum (Tris-(8-hydroxyquinoline) aluminum), benzo [k] fluoranthene (Benzo [k] fluoranthene), 1,
Double (the 2-amino-benzene oxygen)-ethane-N of 2-, N, N ', N '-tetraacethyl (1,2-Bis (2-Aminophenoxy) ethane-N, N,
N ', N '-tetraacetic acid), 2-tert-butyl group anthraquinone (2-tert-Butylanthraquinone), 3,8-diaminourea-6-
Phenylphenanthridineand (3,8-Diamino-6-phenylphenanthridine), 5,8-dihydroxy-1,4-naphthoquinone (5,8-
Dihydroxy-1,4-naphthoquinone), 2,3-diphenyl maleic anhydride (2,3-Diphenylmaleic
Anhydride), 7-hydroxyl-4-trifluoromethyl coumarin (7-Hydroxy-4-(trifluoromethyl) coumarin), for a long time
Luo Liding (Julolidine), phenanthridines (Phenanthridine), 1-pyrene formaldehyde (1-Pyrenecarboxaldehyde).
Refer to Fig. 1 to Fig. 4, the embodiment of the present invention also provides for a kind of electrophoretic display, and it includes layer the most successively
Folded transparent front plate 13, electrophoretic display layer 12 and the backboard 11 connected, transparent front plate 13 and backboard 11 are by circuit and control unit
Connect, for applying the signal of telecommunication at electrophoretic display layer 12 two ends, make electrophoretic display layer 12 show required content.In transparent front plate 13
Light incident side (i.e. the upside of Fig. 1) be provided with the color layer 14 being parallel to transparent front plate 13, color layer 14 includes multiple light-induced variable
Color material, multiple photochromic material in the plane on light incident side surface being parallel to transparent front plate 13 in array distribution.Color
The structure of chromatograph 14, material are consistent with the embodiment of aforementioned optical element, and here is omitted.
Electrophoretic display layer 12 includes multiple microcapsule 121, has electrophoresis liquid and be suspended in electrophoresis liquid in each microcapsule 121
In electrophoresis particle, transparent front plate 13 and backboard 11 apply electric field, make electrophoresis particle at electric field action at the two ends of microcapsule 121
Under move in electrophoresis liquid, with the required content of display.By controlling the number of pulses of the signal of telecommunication, electrophoresis particle can be controlled from thoroughly
The distance of bright header board 13, owing to presenting translucent colour, therefore under the irradiation of the color layer 14 light in the range of predetermined band
By controlling the electrophoresis particle distance from transparent front plate 13, the depth of colour can be controlled.
In a preferred embodiment, having white particles and black particles in each microcapsule 121, white particles is electrically charged
The electric charge (such as negative charge) of (such as positive charge), black particles band and white particles opposite polarity.Certainly, white particles also may be used
With electronegative, black particles is positively charged.In other embodiments, white particles can electrically charged (such as positive charge), black
Colored particle is not charged, i.e. in neutrality.Now positively charged with white particles and black particles is electronegative or uncharged enforcement
The operation principle of electrophoretic display of the present invention is described as a example by example.Refer to Fig. 9, when transparent front plate 13 and backboard 11 show at electrophoresis
Showing when layer 12 applies negative voltage pulse, white particles moves to the position near described transparent front plate 13, and black particles then moves
To near the position (black particles is electronegative) of described backboard 11 or do not move (black particles is neutrality), now by swashing
Color layer 14 is irradiated the light (such as ultraviolet light) of predetermined band scope, now color layer 14 by luminous source 30 (such as ultraviolet source)
In block 141 present the color (such as red) of correspondence, and visible ray is through color layer 14 and transparent front plate 13, by leucoplastid
Son reflection also passes color layer 14, and now this block 141 presents the red and secondary colour of white, if excitation source 30 is not sent out
Light, then color layer 14 is colourless, each block display white applying negative voltage pulse.Refer to Figure 10, when transparent front plate 13 He
Backboard 11 is when electrophoretic display layer 12 applies positive voltage pulse, and black particles moves to the position near described transparent front plate 13
(black particles is electronegative) or do not move (black particles is neutrality), white particles then moves near described backboard 11
Position, irradiates light (the such as ultraviolet of predetermined band scope now by excitation source 30 (such as ultraviolet source) to color layer 14
Light), now the block 141 in color layer 14 presents the color (such as red) of correspondence, and visible ray passes color layer 14 with saturating
After bright header board 13, being absorbed by black particles, now this block 141 presents redness substantially, if excitation source 30 is the most luminous, then color
Chromatograph 14 is colourless, each block display black applying positive voltage pulse.For colourless block, then under these two kinds of voltage signals
Present the color of electrophoresis particle itself, such as white or black.Namely during excitation source 30 luminescence, electrophoretic display display coloured silk
Color, when excitation source 30 is the most luminous, electrophoretic display display black and/or white.
In a preferred embodiment, transparent front plate 13 or backboard 11 are formed with multiple driving subelement circuit, multiple drivings
Subelement circuit and the position one_to_one corresponding of multiple rectangle blocks 141, and drive shared by subelement circuit and rectangle block 141
Area the most roughly the same.Refer to Fig. 1 to Fig. 3, in these embodiments, transparent front plate 13 is by electrode base board 131 and covers
Transparent conductive film on the exiting side surface (i.e. inner surface in figure) of electrode base board 131 132 (such as ito thin film or
Graphene film) constitute, transparent front plate 13, as the front electrode of electrophoretic display, backboard 11 then can be provided with TFT and show
Circuit, driving subelement circuit is a part for display circuit, and display circuit is for controlling the content that electrophoretic display shows.Please
With reference to Fig. 4, in further embodiments, display circuit is formed at the exiting side (i.e. inner side) of transparent front plate 13, drives subelement
Circuit is a part for display circuit, and backboard 11 is provided with conductive film, as the rear electrode of electrophoretic display, electrophoresis showed
Layer 12 and backboard 11 are encapsulated by fluid sealant 18.Fluid sealant 18 is coated with the inner surface of backboard 11, side surface and electrophoretic display layer 12
Side surface, and be connected with the inner surface of transparent front plate 13.In the above-described embodiments, conductive film 132 and display circuit are the most logical
Oversampling circuit is connected with control unit.These drive subelement circuit and corresponding rectangle block 141 and electricity that both are corresponding
Swimming display layer 12, conductive film etc. constitute a sub-pixel unit.
Refer to Fig. 1 and Fig. 4, in certain embodiments, photochromic material use be coated with, spray, print, printing etc. just
Formula directly overlays the light incident side of transparent front plate 13, forms color layer 14.Refer to Fig. 2, in further embodiments, this electrophoresis
Display is additionally provided with color layer substrate 15, and photochromic material covers the exiting side at color layer substrate 15, forms color layer
14, then the light incident side of color layer substrate 15 with transparent front plate 13 is connected, color layer 14 is clamped in color layer substrate 15 with saturating
Between the light incident side of bright header board 13.Color layer substrate 15 can be by polyethylene terephthalate (PET), polyethylene (PE) etc.
Material is made.Refer to Fig. 3, electrophoretic display can also arrange light guide plate 16, and photochromic material covers at light guide plate 16
Exiting side, forms color layer 14, is then connected by the light incident side of light guide plate 16 with transparent front plate 13.It is provided with on light guide plate 16 and leads
Light unit 161, may be used for strengthening the incident illumination of this electrophoretic display or reflection light, it is also possible to be used for importing other fill-in lights
The light in source.
The embodiment of the present invention, by arranging the color layer being made up of photochromic material in the outside of transparent front plate, makes electrophoresis
Display can show color content.
The above disclosed presently preferred embodiments of the present invention that is only, can not limit the right of the present invention with this certainly
Scope, the equivalent variations therefore made according to scope of the present invention patent, still belong to the scope that the present invention is contained.
Claims (15)
1. the optical element for display device, it is characterised in that include transparency carrier and cover at described transparency carrier
On color layer, described color layer includes multiple photochromic material, and described multiple photochromic material is at described transparency carrier
Surface in array distribution, present under the irradiation of different photochromic material light in the range of predetermined band different colored and
For translucent, colourless under the irradiation of the extraneous light of predetermined band, described multiple photochromic material is described transparent
There is in the range of being formed at predetermined band on substrate the block array of different colours.
2. the optical element for display device as claimed in claim 1, it is characterised in that described photochromic material includes
One or more of following material: acrylic acid-9-anthracene methyl ester, methacrylic acid-9-anthracene methyl ester, ethidium bromide-N, N`-biacetyl
Amine, fluorescein-O-acrylate, 2-naphthyl acrylate, N-(1-naphthyl) ethylendiamine dihydrochloride, 7-[4-(trifluoromethyl)
Coumarin] acrylamide, 9-vinyl anthracene, polyacrylic acid-9-anthracene methyl ester, poly-(3,3 ', 4,4 '-benzophenone tetracarboxylic dianhydride-
ALT-3,6-proflavin Hemisulphate), poly-(fluorescein O-acrylate), poly-[(methyl methacrylate)-CO-methyl
Acryloxy fluorescein], poly-(2-naphthyl acrylate), poly-[N-(1-naphthyl)-N phenyl acrylamide], poly-(equal benzene four
Formic acid dianhydride-CO-thionine), poly-(2-vinyl naphthalene), CuPc, dichloro three (1,10-phenanthroline) ruthenium (II) hydrate, 8-hydroxyl
Base quinoline mantoquita, four (2-methyl-8-hydroxyquinoline) boron lithium, 2,3-dichloride naphthalene Tin Phthalocyanine, three (8-hydroxyquinoline)-erbiums, 8-
Double (the 2-amino-benzene oxygen)-ethane-N of hydroxyquinoline aluminum, benzo [k] fluoranthene, 1,2-, N, N ', N '-tetraacethyl, 2-tert-butyl anthracene
Quinone, 3,8-diaminourea-6-phenylphenanthridineand, 5,8-dihydroxy-1,4-naphthoquinone, 2,3-diphenyl maleic anhydride, 7-hydroxyl-4-trifluoro
Methylcoumarin, long Luo Liding, phenanthridines, 1-pyrene formaldehyde.
3. the optical element for display device as claimed in claim 1, it is characterised in that described multiple photochromic material
Forming the array of multiple rectangle block on described transparency carrier, minimum repetitive is RGB, RGBG, RGBW or CMYW arrangement,
Wherein R, G, B, C, M, Y, W are respectively redness, green, blueness, cyan, magenta, yellow and colourless, and colourless block does not covers institute
State photochromic material.
4. the optical element for display device as claimed in claim 1, it is characterised in that described photochromic material uses
The mode being coated with, spray, print or printing covers on described transparency carrier.
5. the optical element for display device as claimed in claim 1, it is characterised in that the light of described predetermined band scope
For ultraviolet light or infrared light.
6. an electrophoretic display, it includes stacking gradually the transparent front plate of connection, electrophoretic display layer and backboard from outside to inside, institute
State transparent front plate and backboard to be connected with control unit by circuit, for applying the signal of telecommunication at described electrophoretic display layer two ends, its
Being characterised by, the light incident side in described transparent front plate is provided with the color layer being parallel to described transparent front plate, described color layer bag
Including multiple photochromic material, described multiple photochromic material is in the plane on the light incident side surface being parallel to described transparent front plate
On in array distribution, present different colored and for semi-transparent under the irradiation of different photochromic material light in the range of predetermined band
Bright state, colourless under the irradiation of the extraneous light of predetermined band, described multiple photochromic material is formed at predetermined band model
There is in enclosing the block array of different colours.
7. electrophoretic display as claimed in claim 6, it is characterised in that described photochromic material includes the one of following material
Plant or multiple: acrylic acid-9-anthracene methyl ester, methacrylic acid-9-anthracene methyl ester, ethidium bromide-N, N`-bis-dimethylsilyl-acetamide, fluorescein-O-
Acrylate, 2-naphthyl acrylate, N-(1-naphthyl) ethylendiamine dihydrochloride, 7-[4-(trifluoromethyl) coumarin] acryloyl
Amine, 9-vinyl anthracene, polyacrylic acid-9-anthracene methyl ester, poly-(3,3 ', 4,4 '-benzophenone tetracarboxylic dianhydride-ALT-3,6-diamino
Base acridine Hemisulphate), poly-(fluorescein O-acrylate), it is poly-that [(methyl methacrylate)-CO-methacryloxy is glimmering
Light element], poly-(2-naphthyl acrylate), poly-[N-(1-naphthyl)-N phenyl acrylamide], poly-(pyromellitic acid anhydride-CO-
Thionine), poly-(2-vinyl naphthalene), CuPc, dichloro three (1,10-phenanthroline) ruthenium (II) hydrate, 8-hydroxyquinoline mantoquita, four
(2-methyl-8-hydroxyquinoline) boron lithium, 2,3-dichloride naphthalene Tin Phthalocyanine, three (8-hydroxyquinoline)-erbiums, 8-hydroxyquinoline aluminum, benzene
And double (the 2-amino-benzene oxygen)-ethane-N of [k] fluoranthene, 1,2-, N, N ', N '-tetraacethyl, 2-tert-butyl group anthraquinone, 3,8-diaminourea-
6-phenylphenanthridineand, 5,8-dihydroxy-1,4-naphthoquinone, 2,3-diphenyl maleic anhydride, 7-hydroxyl-4-trifluoromethyl coumarin, for a long time
Luo Liding, phenanthridines, 1-pyrene formaldehyde.
8. electrophoretic display as claimed in claim 6, it is characterised in that described multiple photochromic material forms multiple rectangle
The array of block, minimum repetitive is RGB, RGBG, RGBW or CMYW arrangement, wherein R, G, B, C, M, Y, W be respectively red,
Green, blueness, cyan, magenta, yellow and colourless, colourless block does not covers described photochromic material.
9. electrophoretic display as claimed in claim 8, it is characterised in that described electrophoretic display layer includes multiple microcapsule, often
Having electrophoresis liquid and the white particles being suspended in electrophoresis liquid and black particles in individual microcapsule, described white particles is electrically charged,
Described black particles is in neutral or band and the electric charge of white particles opposite polarity.
10. electrophoretic display as claimed in claim 9, it is characterised in that described electrophoretic display also includes for described
Color layer irradiates the excitation source of the light in the range of predetermined band, and during described excitation source luminescence, described electrophoretic display shows
Colour, when described excitation source is the most luminous, described electrophoretic display display black and/or white.
11. electrophoretic displays as claimed in claim 6, it is characterised in that be formed multiple in described transparent front plate or backboard
Drive the position one_to_one corresponding of subelement circuit, the plurality of driving subelement circuit and the plurality of rectangle block.
12. electrophoretic displays as claimed in claim 6, it is characterised in that the light of described predetermined band scope be ultraviolet light or
Infrared light.
13. electrophoretic displays as claimed in claim 6, it is characterised in that described electrophoretic display layer includes multiple microcapsule, often
There is in individual microcapsule electrophoresis liquid and the electrophoresis particle being suspended in electrophoresis liquid.
14. electrophoretic displays as described in any one of claim 6 to 13, it is characterised in that described photochromic material uses
The mode being coated with, spray, print or printing covers the light incident side in described transparent front plate；Or
Described electrophoretic display also includes color layer substrate, and described photochromic material covers the outgoing at described color layer substrate
Side, and described color layer substrate is connected with the light incident side of described transparent front plate；Or described electrophoretic display also includes light guide plate,
Described photochromic material covers the exiting side at described light guide plate, and the light incident side of described light guide plate and described transparent front plate is even
Connect.
15. electrophoretic display as claimed in claim 6, it is characterised in that the exiting side of described transparent front plate is coated with conduction
Thin film, described backboard is provided with display circuit, described conductive film and display circuit and is connected with described control unit；Or
The exiting side of described transparent front plate is provided with display circuit, and described backboard is provided with conductive film, described conductive film
It is connected with described control unit with display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832011.5A CN106249503A (en) | 2016-09-19 | 2016-09-19 | Optical element and electrophoretic display for display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832011.5A CN106249503A (en) | 2016-09-19 | 2016-09-19 | Optical element and electrophoretic display for display device |
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| CN201610832011.5A Pending CN106249503A (en) | 2016-09-19 | 2016-09-19 | Optical element and electrophoretic display for display device |
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| CN109543515A (en) * | 2018-10-15 | 2019-03-29 | 华为技术有限公司 | Optical element and its monitoring system and method, active illuminating module, terminal |
| CN110058473A (en) * | 2019-03-15 | 2019-07-26 | 广州奥翼电子科技股份有限公司 | A kind of bimodulus electrophoretic display device (EPD) |
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| CN113744697A (en) * | 2021-10-09 | 2021-12-03 | 珠海读书郎软件科技有限公司 | Special color ink screen and color developing method |
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