CN203217213U - Electronic paper display device with light source - Google Patents
Electronic paper display device with light source Download PDFInfo
- Publication number
- CN203217213U CN203217213U CN 201320241752 CN201320241752U CN203217213U CN 203217213 U CN203217213 U CN 203217213U CN 201320241752 CN201320241752 CN 201320241752 CN 201320241752 U CN201320241752 U CN 201320241752U CN 203217213 U CN203217213 U CN 203217213U
- Authority
- CN
- China
- Prior art keywords
- light source
- electronic paper
- display device
- light
- guide plate
- 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 - Fee Related
Links
Images
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model relates to an electronic paper display device with a light source. The device comprises an electronic paper display module, a light guide plate adjacently arranged in the periphery of the electronic paper display module and a front light source set adjacently arranged on the side face of the light guide plate. The front light source set comprises two or more than two light source units in different colors and/or color temperatures and a driving circuit which drives the light sources, wherein the light source units in different colors and/or color temperatures are arranged in a cross manner. Thus, the user can select light source units in different colors to read according to different demands, so that the selective range of colors is expanded, the demands of different people are met, and the reading effect is improved.
Description
Technical field
The utility model relates to a kind of display device of electronic paper, relates in particular to a kind of display device of electronic paper with light source.
Background technology
Electronic paper technology is actually the general designation of a class technology, English name E-paper, and (electrophoresis Display is EPD) as display panel to be mostly to adopt electrophoretic display technology.Display device of electronic paper is different from the divergence form display device, and the divergence form display device can be own luminous, so even also can normally use under the condition of dim light.But, increase along with ambient light intensity, the display effect of this divergence form display is just so not satisfactory, because stronger surround lighting has improved melanic brightness and reduced contrast, this also is we can't see literal on the display clearly under the situation of sunlight direct projection reason.And reflective display shows image by reflect ambient light, and the brightness meeting of image changes according to the intensity of ambient light, so the demonstration advantage of reflective display is more obvious under intense light.
Because the reading of electric paper display needs the help of external light source, so people's electric paper display is provided with preceding radiant, be used at the bad situation floor light of photoenvironment.But radiant generally is the light source that only uses with a kind of color at present, and color immobilizes.But everyone eyes are different to the impression of light, and when reading, with a kind of light of color, some people feels comfortable, and other people feel ill or be dazzling.Because the color of light source can not change, cause to adapt to proprietary different needs like this.
Therefore, how overcoming the problems referred to above is that present industry urgently need solve.
The utility model content
Based on the deficiencies in the prior art, the utility model technical issues that need to address provide a kind of display device of electronic paper with light source, and this light source can turn colors.
For solving the problems of the technologies described above, the utility model provides a kind of display device of electronic paper with light source, it comprises that Electronic Paper shows module, adjacent light guide plate, the adjacent front light-source group that is arranged at the light guide plate side that is arranged at Electronic Paper demonstration module periphery, described front light-source group comprise two or more different colours and/or colour temperature light source cell, drive the driving circuit of this light source cell, the light source cell of different colours or colour temperature is arranged in a crossed manner.
Compared with prior art, front light-source group of the present utility model comprises two or more light sources of different colors unit, and the light sources of different colors unit is arranged in a crossed manner.The user can select the light sources of different colors unit to read according to different demands like this, thereby enlarges the selectable range of light color, satisfies different human needs, improves reading effect.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described light source cell is for showing the LED of solid color or colour temperature.Arranged in a crossed manner by the LED that shows different colours or colour temperature like this, the user can select the LED of different colours or colour temperature to show as required.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described light source cell is for being used for showing the LED wick of solid color or colour temperature, and the LED wick of two or more color combines the color LED that constitutes one.Like this by the color LED that can show different colours or colour temperature is set, the LED wick that utilizes arranging of color LED to cause to show different colours arranged in a crossed manner, the user can select the LED wick of different colours to show as required.
As the improvement on the one hand of a kind of display device of electronic paper with light source of the utility model, with the light source cell series connection of a kind of color or colour temperature, and the forming circuit loop of connecting with one drive circuit.Like this, every group is driven by driving circuit independently with the light source cell of a kind of color or colour temperature, controls the work of the light source cell of respectively organizing different colours or colour temperature by controlling each driving circuit.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, with the light source cell of a kind of color or the colour temperature back forming circuit branch road of connecting with selector switch that is connected in series successively, the forming circuit loop that links to each other with described driving circuit after each circuit branch parallel connection, described driving circuit comprise the selector switch that links to each other with each circuit branch and be used for selecting each circuit branch conducting of control.Control the conducting that links to each other with driving circuit of certain light source cell with a kind of color or colour temperature by selector switch like this, the conducting that links to each other with driving circuit of the light source cell that can certainly control two or more color or colour temperature simultaneously.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described driving circuit is the adjustable driving circuit of output current current value.Like this can be by regulating current value with the intensity of control light source cell light.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described light guide plate is 0.2-2mm.Such thickness is conducive to make optical effect to reach best.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described light guide plate is that material is PMMA(English name: polymethylmethacrylate; Polymethylmethacrylate) or the PC(Chinese name Chinese name:: light guide plate polycarbonate).This polycarbonate (be called for short PC) is the high molecular polymer that contains carbonate group in the strand, can be divided into polytypes such as aliphatics, aromatic series, aliphatic-aromatic according to the structure of ester group.
As the improvement on the one hand of a kind of display device of electronic paper with light source of the utility model, described light guide plate be provided with concave point and or the luminous point of salient point.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, the diameter of described luminous point is 1-100 μ m.
As the improvement on the one hand of a kind of display device of electronic paper with light source of the utility model, described luminous point is set to the light refraction in the light guide plate is shown luminous point on the module displays face to described Electronic Paper.This is with the shape of described luminous point, size, position and direction is set all is arranged to be conducive to the light refraction in the light guide plate is shown on the module displays face to described Electronic Paper.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described luminous point arranges according to the more intensive mode of distance described light source cell setting more far away on described light guide plate.More rays is down reflected, so that more the distance light line is more weak from light source in the compensation light guide plate, make the whole display surface light of directive display device of electronic paper even.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described light guide plate is attached to described Electronic Paper by first transparent optical cement and shows on the module, be conducive to the fixing of light guide plate like this, reduce light by the boundary reflection between the two-layer optical medium, promote clearness.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, it also comprises the counnter attack anti-dazzle protection film that is attached on the described light guide plate.This counnter attack anti-dazzle protection film is used for reducing reflection, and more light is entered, and plays to prevent the minute surface reflection, improves reading effect; Simultaneously light guide plate can be protected in order to avoid scratch.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described counnter attack anti-dazzle protection film is attached on the described light guide plate by second transparent optical cement, prevents that like this counnter attack anti-dazzle protection film from coming off or perk.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described transparent optical cement adopts solid-state OCA or liquid OCA optical cement (Optical Clear Adhesive) material.
As a kind of display device of electronic paper improvement on the one hand with light source of the utility model, described Electronic Paper shows that module is provided with the capacitance touch assembly, and described capacitance touch assembly comprises capacitance contact board or rete, the capacitance touch line layer on capacitance contact board or rete.
Display device of electronic paper described in the utility model belongs to and is the reflection-type reader, be different from the divergence form display device, display device of electronic paper itself is not luminous, but owing to be provided with preceding light, can be own luminous, so even under the condition of dim light or dark, also can normally use.When surround lighting was enough strong, light used before described display device of electronic paper can be closed
Light source cell described in the utility model not only can also be the light source cell of different-colour for for example different light source cell of color such as white, yellow, blue, red, green, black.Described colour temperature (colo (u) r temperature) is the photochromic yardstick of expression light source, and unit is K(Kelvin).Colour temperature defines by absolute black body, and the radiation of light source is when the radiation of visible range and absolute black body is identical, and the temperature of black matrix just claims the colour temperature of this light source at this moment.The feature of low color temperature light sources is in the energy distribution, and the relative theory of red radiation is some more, is commonly referred to " warm light "; After colour temperature improved, in the energy distribution, the ratio of blue radiation increased, and is commonly referred to " cold light ".The colour temperature of some light sources commonly used is: standard candle is 1930K(kelvin degree unit); Tungsten lamp is 2760-2900K; Fluorescent light is 3000K; Flashlamp is 3800K; Noon, sunlight was 5600K; X-flash is 6000K; Blue sky is 12000-18000K.
Describe the utility model in detail below in conjunction with accompanying drawing, it illustrates principle of the present utility model as the part of this instructions by embodiment, and other aspects of the present utility model, feature and advantage thereof will become very clear by this detailed description.
Description of drawings
Fig. 1 is a kind of display device of electronic paper longitudinal cross-section synoptic diagram in first embodiment with light source of the utility model;
Fig. 2 is a kind of display device of electronic paper view in transverse section with light source among Fig. 1;
Fig. 3 is a kind of circuit theory diagrams with the front light-source group in the display device of electronic paper of light source among Fig. 1.
Fig. 4 is the circuit theory diagrams of a kind of display device of electronic paper front light-source group in a second embodiment with light source of the utility model.
Fig. 5 is a kind of display device of electronic paper longitudinal cross-section synoptic diagram in the 3rd embodiment with light source of the utility model;
Fig. 6 is a kind of display device of electronic paper view in transverse section with light source among Fig. 5.
Fig. 7 is a kind of display device of electronic paper longitudinal cross-section synoptic diagram in the 4th embodiment with light source of the utility model.
Fig. 8 is a kind of display device of electronic paper longitudinal cross-section synoptic diagram in the 5th embodiment with light source of the utility model;
Fig. 9 is a kind of circuit theory diagrams with the front light-source group in the display device of electronic paper of light source among Fig. 8.
Figure 10 is the circuit theory diagrams of a kind of front light-source group of display device of electronic paper in the 6th embodiment with light source of the utility model.
Figure 11 is a kind of longitudinal cross-section synoptic diagram of display device of electronic paper in the 7th embodiment with light source of the utility model.
Figure 12 is the driving circuit circuit diagram in one embodiment of a kind of display device of electronic paper with light source of the utility model.
Embodiment
Embodiment one
With reference to figure 1-3, Fig. 1 is a kind of display device of electronic paper longitudinal cross-section synoptic diagram in first embodiment with light source of the utility model; Fig. 2 is a kind of display device of electronic paper view in transverse section with light source among Fig. 1; Fig. 3 is a kind of display device of electronic paper circuit theory diagrams with light source among Fig. 1.
A kind of display device of electronic paper with light source comprises that Electronic Paper shows module 101, first transparent optical cement 102, light guide plate 103, front light-source group 104 in the present embodiment.
Described Electronic Paper shows that module 101 is the electrophoresis showed module, and this electrophoresis showed module is printed on a certain substrate by a kind of electric ink of liquid material.In this liquid material, suspending hundreds and thousands of and the similar big or small microcapsule of human hair diameter, each microcapsule is made up of positive charged particles or negative charge particle and neutral particle; Or positive charged particles and negative charge particle are formed.As long as take certain technology just this electric ink can be printed onto on the substrate.If be positive charged particles or negative charge particle and neutral particle in the microcapsule, when the microcapsule two ends were applied in a plus or minus electric field, the control charged particle was mobile under effect of electric field, and the not mobile realization of neutral particle shows.If be positive charged particles and negative charge particle in the microcapsule, when the microcapsule two ends are applied in a negative electric field, the white particles that has positive charge is moved to the electric field negative pole in effect of electric field, meanwhile, the particle that has negative charge moves to the bottom of microcapsule and " hides ", and at this moment the surface can display white.When adjacent microcapsule both sides were applied in a positive electric field, black particles can be moved to the top of microcapsule in effect of electric field, and at this moment the surface just is revealed as black.
Described first transparent optical cement 102 is used for described light guide plate 103 is attached at display surface one side that described Electronic Paper shows module 101.Described first transparent optical cement 102 can adopt solid-state OCA or liquid OCA optical cement (Optical Clear Adhesive) material.This first transparent optical cement 102 needs light transmission preferably.
The described light guide plate 103 adjacent Electronic Paper that are arranged at show module 101 peripheries, namely are attached at display surface one side that described Electronic Paper shows module 101 by first transparent optical cement 102.The shape of this light guide plate 103 and Electronic Paper show that the shape of module 101 display surfaces one side is suitable.Described light guide plate 103 thickness are 0.2 to 2mm, and such thickness is conducive to make optical effect to reach best.The material of described light guide plate adopts the good PMMA(English name of light transmission rate: polymethylmethacrylate; Polymethylmethacrylate) or the PC(Chinese name Chinese name:: material polycarbonate), this polycarbonate (be called for short PC) is the high molecular polymer that contains carbonate group in the strand, can be divided into polytypes such as aliphatics, aromatic series, aliphatic-aromatic according to the structure of ester group.Do not open the situation of light source under the surround lighting abundance, light guide plate 103, first transparent optical cement 102 can not influence the reading of display device of electronic paper.
Described light guide plate 103 be provided with concave point and or the luminous point of salient point.The diameter of described luminous point is 1-100 μ m, specifically can adopt 1 μ m, 5 μ m, 10 μ m, 20 μ m, 30 μ m, 40 μ m, 50 μ m, 60 μ m, 70 μ m, 80 μ m, 90 μ m or 100 μ m etc., and human eye can't see or be difficult to find this luminous point like this.Described luminous point is set to the light refraction in the light guide plate 103 is shown luminous point on module 101 display surfaces to described Electronic Paper, namely by with shape, size, the position of described luminous point and direction is set all is arranged to be conducive to the light refraction in the light guide plate is shown on the module displays face to described Electronic Paper.Described luminous point arranges according to the more intensive mode of distance described light source setting more far away on described light guide plate 103, more rays is down reflected, with the compensation leaded light, more the distance light line is more weak from light source in 103, makes the light of the whole display surface of directive display device of electronic paper even.
Described front light-source group 104 adjacent light guide plate 103 sides that are arranged at, this front light-source group 104 is used for providing when the daylighting environment is relatively poor light source to read display device of electronic paper for the user.
Described front light-source group 104 comprises two or more light sources of different colors unit, drives the driving circuit of this light source cell, and the light sources of different colors unit is arranged in a crossed manner.Front light-source group 104 in the present embodiment comprises that the light source cell of two kinds of colors is the first colour light source unit 105 and the second colour light source unit 106.The described first colour light source unit 105 and the second colour light source unit 106 are respectively applied to show two kinds of light sources of different colors, also can be the light sources of different-colour.The described first colour light source unit 105 and the second colour light source unit 106 respectively can one or more light source cells, be a plurality of light source cells in the present embodiment, the a plurality of light source cells of general employing, being evenly distributed with of a plurality of light source cells is beneficial to the even of Electronic Paper display module display surface glazed thread.A plurality of described first colour light source unit 105 and the second colour light source unit 106 are staggered evenly distributed, and two kinds of color light are mixed, and quantity can be arranged to equate or be unequal.
The described first colour light source unit 105 and the second colour light source unit 106 adopt the LED lamp of bills one color of light, its have low in energy consumption, volume is little, thin thickness, in light weight, long advantage of life-span.
Described front light-source group 104 adopts a plurality of LED lamps ultra-thin, the side bright dipping to be welded on the ultra-thin flexible PCB FPC, makes the very thin thickness of whole light source, and scope 0.2 specifically can adopt 0.2mm, 0.3mm, 0.5mm, 0.6mm, 0.8mm or 1mm etc. to 1mm.The described first colour light source unit 105 and the second colour light source unit 106 are connected to driving circuit by flexible PCB FPC respectively.
As shown in Figure 3, a plurality of described first colour light source unit 105 connect mutually and be connected in series driving circuit 110 constitutes a circuit loop.A plurality of described second colour light source unit 106 connect mutually and be connected in series driving circuit 111 constitutes a circuit loop.Described driving circuit 110 and driving circuit 111 all can adopt DC-DC voltage increase and current constant source, can export constant electric current.Figure 12 is the driving circuit circuit diagram in one embodiment of a kind of display device of electronic paper with light source of the utility model.With reference to Figure 12, described driving circuit 110 and driving circuit 111 can be respectively integrated IC, TPS61160 for example, this integrated IC can recently control the current value of constant current source by the duty of outside PWM waveform, in order to control the first colour light source unit 105, the second colour light source unit, 106 luminous intensities.
By control select control driving circuit 110 and or driving circuit 111 first colour light source unit 105 and or the second colour light source unit 106 luminous; And its luminous intensity all can be regulated by the current regulator in its circuit loop in the first colour light source unit 105 and the second colour light source unit 106, even is reduced to close and extinguishes.Can obtain the light of different colours, different light intensity like this, enlarge the color selectable range of light, satisfy different human needs, improve reading effect.
Implement two
With reference to figure 4, Fig. 4 is the circuit theory diagrams of a kind of display device of electronic paper front light-source group in a second embodiment with light source of the utility model.On the basis of embodiment one, what present embodiment and embodiment one were different is: a plurality of the first colour light source unit 105 with a kind of color of light are composed in series first circuit branch mutually; A plurality of the second colour light source unit 106 with a kind of color of light are composed in series the second circuit branch road mutually.The forming circuit loop links to each other with driving circuit 100 after described first circuit branch and the parallel connection of second circuit branch road.Described driving circuit comprises the selector switch that links to each other with each circuit branch and be used for selecting each circuit branch conducting of control, the current regulator of regulating driving circuit output current current value, like this can by selector switch control the first colour light source unit 105 with or the conducting that links to each other with drive circuit unit 100 of the second colour light source unit 106, realized simultaneously a driving circuit can be used for driving the first colour light source unit 105 and or the second colour light source unit 106.Its luminous intensity can be controlled by the current value that current regulator is regulated driving circuit output in the described first colour light source unit 105 and the second colour light source unit 106 in addition.
Embodiment three
Fig. 5 is a kind of display device of electronic paper longitudinal cross-section synoptic diagram in the 3rd embodiment with light source of the utility model; Fig. 6 is a kind of display device of electronic paper view in transverse section with light source among Fig. 5.
Present embodiment can be in the improvement of carrying out with the basis of embodiment one or embodiment two, has increased counnter attack anti-dazzle protection film 108 on the basis of embodiment one or embodiment two.The i.e. direct counnter attack anti-dazzle protection film 108 that can change of attaching on light guide plate 103.This counnter attack anti-dazzle protection film 108 can reduce reflection, and more light is entered; Can prevent simultaneously the minute surface reflection, improve reading effect; Light guide plate can be protected in order to avoid scratch in addition.
Embodiment four
Fig. 7 is a kind of display device of electronic paper longitudinal cross-section synoptic diagram in the 4th embodiment with light source of the utility model.Present embodiment can be in the improvement of carrying out with the basis of embodiment three; increased by second transparent optical cement 109 on the basis of embodiment three; described counnter attack anti-dazzle protection film 108 sticks on the described light guide plate 103 by second transparent optical cement 109, can prevent that like this counnter attack anti-dazzle protection film 108 from coming off or perk.Described second transparent optical cement 109 can adopt solid-state OCA or liquid OCA optical cement (Optical Clear Adhesive) material.This second transparent optical cement 109 needs light transmission preferably.
Embodiment five
Fig. 8 is a kind of display device of electronic paper longitudinal cross-section synoptic diagram in the 5th embodiment with light source of the utility model; Fig. 9 is a kind of display device of electronic paper circuit theory diagrams with light source among Fig. 8.
The improvement that present embodiment carries out on the basis of embodiment one, on the basis of embodiment one, described front light-source group more than 104 comprises a kind of light source cell of color, namely comprises the first colour light source unit 105, the second colour light source unit 106 and the 3rd colour light source unit 107.The described first colour light source unit 105, the second colour light source unit 106 and the 3rd colour light source unit 107 also can be the light sources of different-colour for being respectively applied to show three kinds of light sources of different colors.The described first colour light source unit 105, the second colour light source unit 106 and the 3rd colour light source unit 107 can comprise one or more light source cells respectively, be a plurality of light source cells in the present embodiment, the a plurality of light source cells of general employing, being evenly distributed with of a plurality of light source cells is beneficial to the even of Electronic Paper display module display surface glazed thread.A plurality of described first colour light source unit 105, the second colour light source unit 106 and the 3rd colour light source unit 107 are staggered evenly distributed, and two kinds of color light are mixed, and quantity can be arranged to equate or be unequal.
As shown in Figure 9, a plurality of described first colour light source unit 105 connect mutually and be connected in series driving circuit 110 constitutes a circuit loop.A plurality of described second colour light source unit 106 connect mutually and be connected in series driving circuit 111 constitutes a circuit loop.A plurality of described the 3rd colour light source unit 107 connect mutually and be connected in series driving circuit 112 constitutes a circuit loop.Described driving circuit 110, driving circuit 111 and driving circuit 112 all can adopt DC-DC voltage increase and current constant source, can export constant electric current.With reference to Figure 12, Figure 12 is the driving circuit circuit diagram in one embodiment of a kind of display device of electronic paper with light source of the utility model.Described driving circuit 110, driving circuit 111 and driving circuit 112 can be respectively integrated IC, TPS61160 for example, this integrated IC can recently control the current value of constant current source by the duty of outside PWM waveform, in order to control the first colour light source unit 105, the second colour light source unit 106, the 3rd colour light source unit 107 luminous intensities.
By control described driving circuit 110 and or driving circuit 111 and or driving circuit 112 select the first colour light source unit 105 and or the second colour light source unit 106 and or the 3rd colour light source unit 107 luminous; And its luminous intensity all can be regulated by the current value that driving circuit is regulated output current in the first colour light source unit 105, the second colour light source unit 106 and the 3rd colour light source unit 107, even is reduced to close and extinguishes.Can obtain the light of different colours, different light intensity like this, enlarge the color selectable range of light, satisfy different human needs, improve reading effect.
Embodiment six
With reference to Figure 10, Figure 10 is the circuit theory diagrams of a kind of front light-source group of display device of electronic paper in the 6th embodiment with light source of the utility model.On the basis of embodiment five, what present embodiment and embodiment five were different is: a plurality of the first colour light source unit 105 with a kind of color of light are composed in series first circuit branch mutually; A plurality of the second colour light source unit 106 with a kind of color of light are composed in series the second circuit branch road mutually.A plurality of the 3rd colour light source unit 107 with a kind of color of light are composed in series the tertiary circuit branch road mutually.The forming circuit loop links to each other with driving circuit 100 after described first circuit branch, second circuit branch road and the parallel connection of tertiary circuit branch road.Described driving circuit comprises the selector switch that links to each other with each circuit branch and be used for selecting each circuit branch conducting of control, the current regulator of regulating driving circuit output current current value, like this can by selector switch control the first colour light source unit 105 with or the second colour light source unit 106 with or the conducting that links to each other with driving circuit of the 3rd colour light source unit 107, realized simultaneously a driving circuit 100 can be used for driving the first colour light source unit 105 and or the second colour light source unit 106 and or the 3rd colour light source unit 107.The current value of driving circuit 100 outputs all can be regulated in order to control its luminous intensity by current regulator in the described first colour light source unit 105, the second colour light source unit 106 and the 3rd colour light source unit 107 in addition.
Embodiment seven
Figure 11 is a kind of display device of electronic paper longitudinal cross-section synoptic diagram in the 7th embodiment with light source of the utility model.
Present embodiment can be the improvement of carrying out on the basis of above-described embodiment, is that with the difference of above-described embodiment described front light-source group 104 comprises two or more light sources of different colors unit, and the light sources of different colors unit is arranged in a crossed manner.Described light source cell is for being used for showing the LED wick of solid color, and the LED wick of two or more color combines the color LED 120 that constitutes one.Like this by the color LED 120 that can show different colours is set, the LED wick that utilizes arranging of color LED 120 to cause to show different colours arranged in a crossed manner, the user can select the LED wick of different colours to show as required.
Described color LED 120 can be all-colour LED, the LED wick of all-colour LED employing white (comprising the cold white and warm white light that waits different-colour in vain), red (R), green (G), blue (B) four kinds of basic colors.Certainly, described color LED 120 also can adopt the LED wick of red (R), green (G), blue (B) three kinds of basic colors, can also be any two kinds combination in the LED wick of white, red (R), green (G), blue (B) four kinds of basic colors.These LED wicks can encapsulate in a variety of forms, are packaged among the same LED.
Described color LED 120 is evenly distributed with a plurality of, the series connection of identical color LEDs wick in a plurality of color LEDs 120, and the loop of formation that links to each other with a driving circuit.The for example red LED wick in each color LED 120 series connection, and the loop of formation that links to each other with a driving circuit; The series connection of White LED wick in each color LED 120, and the loop of formation that links to each other with a driving circuit; Like this, the red LED wick is controlled by different driving circuits with the White LED wick, and the user can control each driving circuit as required and select the LED wick of different colours luminous, and the LED wick that can certainly control two or more is luminous.The user can also come the luminous intensity of regulating and controlling LED wick by the output current current value adjustment function that driving circuit has.For example, press optics three primary colors principle, all colours all can mix out according to certain intensity with the three primary colors red, green, blue, is similar to and accesses the visible light color of nearly all human eye, satisfies different human needs, improves reading effect.
Certainly, in other embodiments, the series connection of identical color LEDs wick constitutes a circuit branch in a plurality of described color LEDs, linking to each other with a driving circuit after a plurality of circuit branch parallel connections constitutes a circuit loop, and driving circuit comprises and links to each other with each circuit branch and be used for selecting the selector switch of each circuit branch conducting of control, the current regulator of adjusting driving circuit output current current value.Driving circuit of realization is controlled all LED wicks of a plurality of color LEDs like this.It is luminous that the user can control the LED wick of different colours by selector switch, or it is simultaneously luminous to control the LED wick of two kinds or two kinds different colours, can also be by the LED wick luminous intensity of the control of the current regulator on each a circuit branch color.
Certainly, in other embodiments, described light sources of different colors unit is not limited to and comprises for example different light source cell of color such as white, yellow, blue, red, green, black, also should comprise the difference between the different-colour, namely comprises the light source cell of two or more different-colour.Described colour temperature (colo (u) r temperature) is the photochromic yardstick of expression light source, and unit is K(Kelvin).Colour temperature defines by absolute black body, and the radiation of light source is when the radiation of visible range and absolute black body is identical, and the temperature of black matrix just claims the colour temperature of this light source at this moment.The feature of low color temperature light sources is in the energy distribution, and the relative theory of red radiation is some more, is commonly referred to " warm light "; After colour temperature improved, in the energy distribution, the ratio of blue radiation increased, and is commonly referred to " cold light ".The colour temperature of some light sources commonly used is: standard candle is 1930K(kelvin degree unit); Tungsten lamp is 2760-2900K; Fluorescent light is 3000K; Flashlamp is 3800K; Noon, sunlight was 5600K; X-flash is 6000K; Blue sky is 12000-18000K.
Certainly, in other embodiments, described display device of electronic paper can be the display device of electronic paper with capacitance touch input function, namely show that in described Electronic Paper module arranges the capacitance touch assembly, described capacitance touch assembly comprises capacitance contact board or rete, the capacitance touch line layer on capacitance contact board or rete.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (17)
1. display device of electronic paper with light source, it comprises that Electronic Paper shows module, adjacent light guide plate, the adjacent front light-source group that is arranged at the light guide plate side that is arranged at Electronic Paper demonstration module periphery, it is characterized in that described front light-source group comprises the light source cell of two or more different colours and/or colour temperature, drives the driving circuit of this light source cell, the light source cell of different colours or colour temperature is arranged in a crossed manner.
2. according to claim 1 with the display device of electronic paper of light source, it is characterized in that described light source cell is for showing the LED of solid color or colour temperature.
3. according to claim 1 with the display device of electronic paper of light source, it is characterized in that described light source cell for being used for showing the LED wick of solid color or colour temperature, the LED wick of two or more color or colour temperature combines the color LED that constitutes one.
4. according to claim 1 with the display device of electronic paper of light source, it is characterized in that the light source cell series connection with a kind of color or colour temperature, and the forming circuit loop of connecting with a described driving circuit.
5. according to claim 1 with the display device of electronic paper of light source, it is characterized in that light source cell with a kind of color or the colour temperature forming circuit branch road that is connected in series successively, the forming circuit loop that links to each other with described driving circuit after each circuit branch parallel connection, described driving circuit comprise the selector switch that links to each other with each circuit branch and be used for selecting each circuit branch conducting of control.
6. according to claim 1 with the display device of electronic paper of light source, it is characterized in that described driving circuit is the adjustable driving circuit of output current current value.
7. according to claim 1 with the display device of electronic paper of light source, it is characterized in that described light guide plate is 0.2-2mm.
8. according to claim 1 with the display device of electronic paper of light source, it is characterized in that described light guide plate is that material is the light guide plate of PMMA or PC.
9. according to claim 1 with the display device of electronic paper of light source, it is characterized in that described light guide plate be provided with concave point and or the luminous point of salient point.
10. as the display device of electronic paper of band light source as described in the claim 9, the diameter that it is characterized in that described luminous point is 1-100 μ m.
11. as the display device of electronic paper of band light source as described in the claim 9, it is characterized in that described luminous point is set to the light refraction in the light guide plate is shown luminous point on the module displays face to described Electronic Paper.
12. as the display device of electronic paper of band light source as described in the claim 9, it is characterized in that described luminous point arranges according to the more intensive mode of distance described light source cell setting more far away on described light guide plate.
13. according to claim 1 with the display device of electronic paper of light source, it is characterized in that it also comprises the counnter attack anti-dazzle protection film that is attached on the described light guide plate.
14. according to claim 1 with the display device of electronic paper of light source, it is characterized in that described counnter attack anti-dazzle protection film is attached on the described light guide plate by second transparent optical cement.
15. according to claim 1 with the display device of electronic paper of light source, it is characterized in that described light guide plate is attached to described Electronic Paper by first transparent optical cement and shows on the module.
16. the display device of electronic paper as band light source as described in claim 14 or 15 is characterized in that described transparent optical cement is solid-state OCA or liquid OCA.
17. according to claim 1 with the display device of electronic paper of light source, it is characterized in that described Electronic Paper shows that module is provided with the capacitance touch assembly, described capacitance touch assembly comprises capacitance contact board or rete, the capacitance touch line layer on capacitance contact board or rete.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320241752 CN203217213U (en) | 2013-05-07 | 2013-05-07 | Electronic paper display device with light source |
| PCT/CN2013/087831 WO2014180116A1 (en) | 2013-05-07 | 2013-11-26 | Electronic paper display device with light source |
| DE201420102017 DE202014102017U1 (en) | 2013-05-07 | 2014-04-30 | Display device of E-paper with a light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320241752 CN203217213U (en) | 2013-05-07 | 2013-05-07 | Electronic paper display device with light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203217213U true CN203217213U (en) | 2013-09-25 |
Family
ID=49206737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320241752 Expired - Fee Related CN203217213U (en) | 2013-05-07 | 2013-05-07 | Electronic paper display device with light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203217213U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207496A (en) * | 2013-05-07 | 2013-07-17 | 广州奥翼电子科技有限公司 | Electronic paper display device with light source |
| WO2014180116A1 (en) * | 2013-05-07 | 2014-11-13 | 广州奥翼电子科技有限公司 | Electronic paper display device with light source |
| CN104776398A (en) * | 2014-01-10 | 2015-07-15 | 广州奥翼电子科技有限公司 | Light guide plate, front light illuminating apparatus and electronic paper display screen |
| CN104832826A (en) * | 2014-02-12 | 2015-08-12 | 元太科技工业股份有限公司 | Front light module and electronic paper display device with same |
| WO2019242308A1 (en) * | 2018-06-19 | 2019-12-26 | 掌阅科技股份有限公司 | Electronic reader with reading light |
-
2013
- 2013-05-07 CN CN 201320241752 patent/CN203217213U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207496A (en) * | 2013-05-07 | 2013-07-17 | 广州奥翼电子科技有限公司 | Electronic paper display device with light source |
| WO2014180116A1 (en) * | 2013-05-07 | 2014-11-13 | 广州奥翼电子科技有限公司 | Electronic paper display device with light source |
| CN104776398A (en) * | 2014-01-10 | 2015-07-15 | 广州奥翼电子科技有限公司 | Light guide plate, front light illuminating apparatus and electronic paper display screen |
| CN111061111A (en) * | 2014-01-10 | 2020-04-24 | 广州奥翼电子科技股份有限公司 | Light guide plate, front light illuminating device and electronic paper display screen |
| CN104832826A (en) * | 2014-02-12 | 2015-08-12 | 元太科技工业股份有限公司 | Front light module and electronic paper display device with same |
| US9612475B2 (en) | 2014-02-12 | 2017-04-04 | E Ink Holdings Inc. | Front light module and electronic paper display device having the same |
| WO2019242308A1 (en) * | 2018-06-19 | 2019-12-26 | 掌阅科技股份有限公司 | Electronic reader with reading light |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103207496A (en) | Electronic paper display device with light source | |
| CN203217213U (en) | Electronic paper display device with light source | |
| US20190107765A1 (en) | Hybrid reflective-emissive image display | |
| CN102498340A (en) | LED lighting device | |
| CN202884805U (en) | Color temperature adjusting device of light source modules | |
| CN103492917A (en) | Illuminator for reflective displays | |
| CN105934625B (en) | Lighting system | |
| CN203259752U (en) | Electronic paper display device with color display | |
| CN205592715U (en) | An automatic light -regulating lamp | |
| CN107631213A (en) | A kind of lighting device | |
| CN103653689A (en) | Make-up mirror | |
| CN103335241A (en) | Flat plate type sky-simulation LED illumination system | |
| CN103225773A (en) | Sidelight type LED dynamic backlight module and liquid crystal display device | |
| IT201800005680A1 (en) | Adjustable white light illumination | |
| CN205942162U (en) | Dimming device | |
| CN203010375U (en) | Flat plate-type LED illuminating system capable of simulating sky | |
| CN209399194U (en) | A kind of headlamp of the electric operating with electronic light guide plate | |
| CN207674154U (en) | A kind of LED multipurposes video display light compensating lamp | |
| CN104142595A (en) | Front luminous bi-stable-state electronic reader | |
| US9316779B1 (en) | Shaping reflective material for controlling lighting uniformity | |
| US9690036B1 (en) | Controlling display lighting color and uniformity | |
| CN110081378A (en) | A kind of lamps and lanterns and lighting apparatus | |
| CN105182653A (en) | Electrophoresis display panel and electrophoresis display device | |
| CN214983814U (en) | Self-powered light-adjustable and light-emitting glass | |
| CN202220999U (en) | LED panel light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 |