CN110488540A - A kind of display device - Google Patents

A kind of display device Download PDF

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Publication number
CN110488540A
CN110488540A CN201910817799.6A CN201910817799A CN110488540A CN 110488540 A CN110488540 A CN 110488540A CN 201910817799 A CN201910817799 A CN 201910817799A CN 110488540 A CN110488540 A CN 110488540A
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CN
China
Prior art keywords
display device
light source
guide plate
light guide
source
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.)
Granted
Application number
CN201910817799.6A
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Chinese (zh)
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CN110488540B (en
Inventor
孔润男
尧璐
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Shanghai AVIC Optoelectronics Co Ltd
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Shanghai AVIC Optoelectronics Co Ltd
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Priority to CN201910817799.6A priority Critical patent/CN110488540B/en
Publication of CN110488540A publication Critical patent/CN110488540A/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08Radiation
    • A61L2/10Ultraviolet radiation
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/004Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The invention discloses a kind of display devices, to improve the prior art when the outer surface to display device carries out disinfection, can there is a problem of higher cost and operation more inconvenience.The display device, comprising: in display panel;Front located light source structure, the front located light source structure is located at the display panel light-emitting surface, the front located light source structure includes: light guide plate, the ultraviolet source positioned at the light guide plate side, and positioned at multiple first sites towards the display panel one side of the light guide plate;The ultraviolet source is stacked with the display panel.

Description

A kind of display device
Technical field
The present invention relates to field of display technology more particularly to a kind of display devices.
Background technique
Oneself becomes main product in the market to flat-panel screens (F1at Pane1 Disp1ay, FPD), flat-panel screens Type is also more and more, such as liquid crystal display (Liquid Crysta1 Disp1ay, LCD), Organic Light Emitting Diode (Organic Light Emitted Diode, OLED) display, plasma display panel (P1asma Disp1ay Pane1, PDP) and Field Emission Display (Field Emission Display, FED) etc..
The display device of the prior art, such as display device of setting in public places, are connect due to frequent from different objects Touching, is needing to carry out disinfection to the outer surface of display device at regular intervals, has to avoid the outer surface contamination of display device When the harmful substance of bacterium or virus etc, when people contact with display device again, can exist and be easy infected risk.
But the prior art is when the outer surface to display device carries out disinfection, usually by external chlorination equipment to display Device carries out disinfection, and can exist cumbersome, cannot carry out disinfection as needed at any time, more inconvenient, and needs external When chlorination equipment, the problem of the higher cost of disinfection.
Summary of the invention
The present invention provides a kind of display device, to improve the prior art when the outer surface to display device carries out disinfection, Can exist cumbersome, cannot carry out disinfection as needed at any time, it is more inconvenient, and when needing external chlorination equipment, disappear The problem of higher cost of poison.
The embodiment of the present invention provides a kind of display device, comprising:
In display panel;
Front located light source structure, the front located light source structure are located at the display panel light-emitting surface, the front located light source structure It include: light guide plate, the ultraviolet source positioned at the light guide plate side, and positioned at the light guide plate towards the display panel Multiple first sites on one side;
The ultraviolet source is stacked with the display panel.
The embodiment of the present invention has the beneficial effect that:
Display device provided in an embodiment of the present invention, comprising: in display panel;Front located light source structure, the front located light source Structure is located at the display panel light-emitting surface, and the front located light source structure includes: light guide plate, the purple positioned at the light guide plate side Outer light source, and positioned at multiple first sites towards the display panel one side of the light guide plate;The ultraviolet source with The display panel is stacked, and in turn, when needing the outer surface to display device to carry out disinfection, can control ultraviolet source It opens, the light of ultraviolet source outgoing enters to inject light guide plate, and multiple first sites towards display panel one side through the light guide plate Guiding role, the one side to light guide plate away from display panel is emitted, may be implemented through ultraviolet light to the outer of display device Surface carries out ultraviolet disinfection, when carrying out disinfection compared with the existing technology to the outer surface of display device, it usually needs external disinfection Device, display device provided in an embodiment of the present invention can pass through the ultraviolet source itself being arranged and the realization pair of the first site The outer display surface of itself carries out disinfection, easy to operate, it is easy to accomplish, and can carry out disinfection as needed at any time, it is more convenient.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the display device provided in an embodiment of the present invention for being provided with second light source;
Fig. 3 is the distribution schematic diagram of the second site provided in an embodiment of the present invention;
Fig. 4 is the sectional structure of the display device of first light source provided in an embodiment of the present invention and second light source storied placement Schematic diagram;
Fig. 5 is the plan structure of the display device of first light source provided in an embodiment of the present invention and second light source storied placement Schematic diagram;
Fig. 6 is the schematic cross-sectional view of the display device provided in an embodiment of the present invention for being provided with flexible circuit board;
Fig. 7 is that thermally conductive sheet arrangement is provided with when first light source provided in an embodiment of the present invention and second light source same layer are distributed The schematic cross-sectional view of display device;
Fig. 8 is that thermally conductive sheet arrangement is provided with when first light source provided in an embodiment of the present invention and second light source same layer are distributed The overlooking structure diagram of display device;
Fig. 9 is provided with the display of thermally conductive sheet when being first light source provided in an embodiment of the present invention and second light source layer distributed The schematic cross-sectional view of device;
Figure 10 is provided with the aobvious of thermally conductive sheet when being first light source provided in an embodiment of the present invention and second light source layer distributed The overlooking structure diagram of showing device;
Figure 11 is a kind of structural schematic diagram of transmission liquid crystal display device provided in an embodiment of the present invention;
Figure 12 is a kind of structural schematic diagram of OLED display provided in an embodiment of the present invention.
Specific embodiment
In order to enable the purposes, technical schemes and advantages of the embodiment of the present disclosure are clearer, below in conjunction with disclosure reality The technical solution of the embodiment of the present disclosure is clearly and completely described in the attached drawing for applying example.Obviously, described embodiment is A part of this disclosure embodiment, instead of all the embodiments.Based on described embodiment of the disclosure, this field is common Technical staff's every other embodiment obtained under the premise of being not necessarily to creative work, belongs to the model of disclosure protection It encloses.
Unless otherwise defined, the technical term or scientific term that the disclosure uses should be tool in disclosure fields The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the disclosure and similar word are simultaneously Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts." comprising " or "comprising" etc. Similar word means that the element or object before the word occur covers the element or object for appearing in the word presented hereinafter And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower", "left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed System may also correspondingly change.
In order to keep the following explanation of the embodiment of the present disclosure to understand and concise, known function and known portion is omitted in the disclosure The detailed description of part.
Referring to Fig. 1, the embodiment of the present invention provides a kind of display device, comprising:
In display panel 1;
Front located light source structure 2, front located light source structure 2 are located at 1 light-emitting surface of display panel (for example, as shown in Figure 1, display surface The light direction of plate 1 is the direction OF in Fig. 1, then using the face opposite with direction OF of display panel 1 as light-emitting surface, with The opposite face of the direction is as shady face), front located light source structure 2 includes: light guide plate 20, the ultraviolet light positioned at 20 side of light guide plate Source 21, and positioned at multiple first sites 23 towards 2 one side of display panel of light guide plate 20;
Ultraviolet source 21 is stacked with display panel 2.
Display device provided in an embodiment of the present invention, comprising: display panel 1;Front located light source structure 2, front located light source structure 2 Positioned at 1 light-emitting surface of display panel, front located light source structure 2 includes: light guide plate 20, the ultraviolet source 21 positioned at 20 side of light guide plate, And positioned at multiple first sites 23 towards 1 one side of display panel of light guide plate 20;Purple light light source 21 and display panel 1 are laminated Setting when needing the outer surface to display device to carry out disinfection, can control the opening of ultraviolet source 21, ultraviolet source in turn 21 outgoing light enter to inject light guide plate 20, as shown in the dotted line of Fig. 1 light guide plate, and through the light guide plate 20 towards display panel 1 one The guiding role of multiple first sites 23 in face, is emitted to the one side away from display panel of light guide plate 20, arrow as shown in figure 1 It is shown, it may be implemented to carry out ultraviolet disinfection by outer surface of the ultraviolet light to display device, display filled compared with the existing technology When the outer surface set carries out disinfection, it usually needs external chlorination equipment, display device provided in an embodiment of the present invention can pass through The ultraviolet source 21 of itself setting and the first site 23, which are realized, carries out disinfection to the outer display surface of itself, easy to operate, is easy to It realizes, and can carry out disinfection as needed at any time, it is more convenient.
It should be noted that light guide plate 20 can specifically include opposite first surface 201 and second surface 202, such as lead The surface towards display panel 1 of tabula rasa 20 can be used as first surface 201, can be used as away from the surface of display panel 1 The joint face of two surfaces 202, connection first surface 201 and second surface 202 can be used as the side 203 of light guide plate 20, if leading Tabula rasa 20 is cuboid, and light guide plate 20 can specifically include four sides 203, and the ultraviolet source 21 in the embodiment of the present invention is specific It can be set in one of four sides 203 of light guide plate 20, for example, as shown in Figure 1, ultraviolet source 21 is arranged in leaded light The left side of plate 20.
In the specific implementation, the display device of the embodiment of the present invention is specifically as follows total-reflection type display device, or partly anti- Formula display device.It is shown in Figure 2, front located light source structure 2 further include: the white light source 22 positioned at 20 side of light guide plate, and Positioned at multiple second sites 24 away from 1 one side of display panel of light guide plate 20.The present invention is implemented in embodiment, front located light source knot Structure 2 further includes white light source 22 and deviates from multiple second sites 24 of 1 one side of display panel positioned at light guide plate 20, in extraneous ring When border light is darker, white light source 22 is opened, the light that white light source 22 is emitted enters to inject light guide plate 20, such as the dotted line of Fig. 2 light guide plate It is shown, and the guiding role of 20 multiple first sites 23 towards 1 one side of display panel through the light guide plate, to the back of light guide plate 20 One side outgoing from display panel 1, as denoted by the arrows in fig. 2, can provide the external world for alltrans or half-reflection display device Light, so that alltrans or half-reflection display device still can normally be shown when external environmental light is darker, moreover, real The multiplexing of light guide plate 20 of existing sterilizing function provides the light guide plate of ambient light, can make alltrans or half-reflection display device outside Boundary's environment light is weaker while normal display function may be implemented, and carries out lesser improvement by the structure to display device, i.e., Display device can be made to realize ultraviolet disinfection function.
Particularly, for half-reflection display device, it typically is liquid crystal display devices, have reflecting region and transmission area Domain, in the prior art, in order to match light path problem, in the same sub-pixel, the box thickness of reflecting region is the box of transmission region Thick half, and multiple protrusions can be set to improve reflection efficiency in reflecting region;However, half-reflection and half-transmission liquid in the prior art Crystal device would ordinarily be encountered the defect of rainbow line, display device provided in an embodiment of the present invention, since light guide plate 20 is to set The light emission side in display panel 1 is set, and has site 23/24 on light guide plate 20, rainbow line can be reduced, improves display effect.
In the specific implementation, the first site 23 light guide plate 20 orthographic projection and the second site 24 light guide plate 20 positive throwing Shadow misses one another.In the embodiment of the present invention, the wavelength for the light being emitted with white light source 22 due to ultraviolet source 21 is different, and different The light of wavelength required incidence angle when light guide plate 20 is totally reflected is different, and the optimum bit being emitted by setting site Set difference, therefore, setting the first site 23 light guide plate 20 orthographic projection and the second site 24 light guide plate 20 orthographic projection that This dislocation, can make the light of different wave length, be emitted in optimal position, to increase light guide plate 20 to ultraviolet light or white light Amount of light.
In the specific implementation, shown in Figure 3, multiple second sites 24 are distributed in site formula;Multiple first sites 23 are in Site formula is distributed (positioned at the lower surface of light guide plate 20, being not shown), and it is mutual that formula distribution in site specifically can be understood as multiple sites It is spaced apart, forms multiple lines and multiple rows.In the embodiment of the present invention, multiple second sites 24 are distributed in site formula, can make it is incident into The white light of light guide plate 20 is emitted in the different location of the one side towards display panel 1 of light guide plate 20, makes to lead into injecting The white light of tabula rasa 20 is emitted in the form of similar area source;Equally, multiple first sites are distributed in site formula, can make incidence It into the light of light guide plate 20, is emitted in the different location of the one side away from display panel 1 of light guide plate 20, makes to lead into injecting The ultraviolet light of tabula rasa 20 is emitted in the form of similar area source.
In the specific implementation, it referring to shown in Fig. 3 or Fig. 5, is directed toward and is led by one end of the setting white light source 22 of light guide plate 20 The direction of the opposite end (right side of leaded light 20 is such as directed toward by the left side of the light guide plate of Fig. 3 20) of tabula rasa 20, point of the second site 24 Cloth density is gradually increased;The opposite end of light guide plate 20 is directed toward (as by Fig. 3 by one end of the setting ultraviolet source 21 of light guide plate 20 The left side of light guide plate 20 be directed toward the right side of leaded light 20) direction, the distribution density of the first site 23 is gradually increased.The present invention is implemented In example, the opposite end of light guide plate 20, the distribution of the first site 23 are directed toward in one end of the setting ultraviolet source 21 by light guide plate 20 Density is gradually increased, and since the distance apart from ultraviolet source 21 is remoter, the brightness of ultraviolet light is lower, by apart from ultraviolet source The first bigger site 23 of density of setting, can increase farther away apart from ultraviolet source 21 at the position of 21 farther away light guide plates 20 Ultraviolet light amount at position, and then keep the emitting brightness of each position of light guide plate 20 essentially identical, to realize to display surface The each position in the outer surface of plate is uniformly sterilized;Equally, it is directed toward by one end of the setting white light source 22 of light guide plate 20 guide-lighting The distribution density of the opposite end of plate 20, the second site 24 is gradually increased, since the distance apart from white light source 22 is remoter, white light Brightness is lower, by the second bigger site 24 of the density of setting at the position apart from the farther away light guide plate 20 of white light source 22, The white light amount of light at 22 remote position of white light source can be increased, and then make the light out of each position of light guide plate 20 Brightness is essentially identical, to realize the white light for making light guide plate 20 to the outgoing uniform luminance of display panel 1.
In the specific implementation, the first site 23 and the second site 24 can be the recess net in the formation of the surface of light guide plate 20 The either raised site of point.
In the specific implementation, ultraviolet source 21 is UV LED, and white light source 22 is white light emitting diode, preceding Setting light-source structure 2 includes multiple ultraviolet sources 21 and multiple white light sources 22.In the embodiment of the present invention, ultraviolet source and white light Light source is light emitting diode, and due to the small volume of diode, placement location is flexible, can be with compared to the light source of lamp tube type Realize the lightness of front located light source structure.
In the specific implementation, white light source 22 and ultraviolet source 21 are located at the same side of light guide plate 20.The embodiment of the present invention In, white light source 22 is located at the same side of light guide plate with ultraviolet source 21, can be by a flexible circuit board to ultraviolet source 21 and the luminous of white light source 22 controlled, facilitate control, be conducive to simplify display device structure, save cost.
In the specific implementation, ginseng as shown in figure 3 and figure 4, along the thickness direction of light guide plate 20 (that is, along such as light guide plate along 4 Lower surface be directed toward the direction of upper surface), white light source 22 and ultraviolet source 21 divide two layers of distribution, and white light source 22 is located at purple The side of the close display panel 1 of outer light source 21, that is, for example, as shown in figure 4, white light source 22 is located at lower layer, ultraviolet source 21 Positioned at upper layer.In the embodiment of the present invention, white light source 22 is located at the side of the close display panel 1 of ultraviolet source 21, that is, white light Closer to display panel 1, ultraviolet source 21 is conducive to be emitted to display panel bright light source 22 closer to the outer surface of display device Stronger white light is spent, is emitted the stronger ultraviolet light of brightness to the outer surface of display device.
In the specific implementation, in conjunction with shown in Fig. 2 and Fig. 5, white light source 22 is located on the same floor with ultraviolet source 21, and white light Light source 22 is successively alternately arranged with ultraviolet source 21, that is, as shown in figure 5, in setting ultraviolet source 21 along light guide plate 20 and white The extending direction (as shown in arrow AB in Fig. 5) of the side frame of radiant 22, white light source 22 successively replaces with ultraviolet source 21 Arrangement.If white light source 22 is arranged compared to the side frame half in light guide plate 20, the other half setting ultraviolet source 21, this hair In bright embodiment, white light source 22 is located on the same floor with ultraviolet source 21, and white light source 22 successively replaces with ultraviolet source 21 Arrangement, can make light guide plate 20 in the longitudinal direction, that is, along the extending direction of setting ultraviolet source 21 and the side frame of white light source 22 The white brightness of (as shown in arrow AB in figure), each position outgoing are uniform, and the brightness of ultraviolet light is uniform.
In the specific implementation, shown in Figure 6, display panel 1 includes the array substrate 11 and counter substrate being oppositely arranged 12, array substrate 11 includes the first area S1 Chong Die with counter substrate 12, and the second area S2 beyond counter substrate 12, Ultraviolet source 21 and white light source 22 are located at second area S1 in the orthographic projection of array substrate 11.
In the specific implementation, shown in Figure 6, display device further includes flexible circuit board 3, ultraviolet source 21 and white light light Flexible circuit board 3 is fixed in source 22.In the embodiment of the present invention, ultraviolet source 21 and white light source 22 are fixed on same flexible circuit Plate 3 can simplify the structure of display device.
In the specific implementation, shown in Figure 6, the second area S2 of array substrate 11 is provided with control IC 4;Flexible electrical Road plate 3 be located at control IC 4 separate array substrate 11 side, and the one side of the Control-oriented IC 4 of flexible circuit board 3 with The control corresponding region IC 4 is provided with thermally conductive sheet 5.In the embodiment of the present invention, the one of the Control-oriented IC 4 of flexible circuit board 3 Face is being provided with thermally conductive sheet 5 with the corresponding region control IC 4, can be to avoid in the embodiment of the present invention, since ultraviolet source is arranged It,, can if heat can not shed in time when being closely arranged with control IC 4 since the energy of ultraviolet source 21 is larger when 21 The problem of capable of reducing control 4 service life of IC.Specifically, flexible circuit board 3 is for controlling white light source 22 and ultraviolet light Source 21 shines, in addition, display panel 1 is also provided with driving flexible circuit board in the second area S2 of array substrate 11 31, which is used for the circuit of drive array substrate 11.
In the specific implementation, ultraviolet source 21 is different from the distribution mode of white light source 22, the shape of flexible circuit board 3 Can be specific different, flexible circuit board 3 and the fixed form of display device other structures can also be different, and lift below by way of specific Example is illustrated.
For example, when white light source 22 and ultraviolet source 21 are located on the same floor, shown referring to figs. 7 and 8, flexible circuit board 3 Be specifically as follows an open and flat structure, white light source 22 and ultraviolet source 21 can be respectively positioned on flexible circuit board 3 away from array The one side of substrate 11.Specifically, can flexible circuit board 3 the one side away from white light source 22 opposite with counter substrate 12 Region be bonded by double faced adhesive tape 60, and then flexible circuit board 3 can be arranged to the portion of ultraviolet source 21 and white light source 22 Divide and be fixed with counter substrate 12, when being not fixed to avoid ultraviolet source 21 and/or 22 position of white light source, is influenced into light efficiency Fruit.Further, it is bonded between flexible circuit board 3 and thermally conductive sheet 5 by the first two-sided heat-conducting glue band 61, thermally conductive sheet 5 and control IC 4 is bonded by the second two-sided heat-conducting glue band 62, to realize that thermally conductive sheet 5 and flexible circuit board 3 is fixed, and by thermally conductive sheet 5 It is fixed with control IC 4.The second area S2 of array substrate 11 specifically could be covered with protective glue 7, to second area S2's Control IC 4 is protected.
In another example referring to shown in Fig. 9 and Figure 10, when white light source 22 and ultraviolet source 21 divide two layers of distribution, flexible electrical Road plate 3 is specifically as follows bending type, that is, can specifically include: extension 31, and the bending part 32 connecting with extension 31, The extending direction of bending part 32 is vertical with the extending direction of extension 31, and ultraviolet source 21 and white light source 22 are fixed on bending part 32, the extending direction of bending part 32 specifically can be the direction that light guide plate 20 is directed toward by array substrate 11, ultraviolet source 21 and white Radiant 22 is set to the one side towards light guide plate 20 of bending part 32, and then realizes ultraviolet source 21 and white light source 22 It is set to the side of light guide plate 20.Specifically, the light-emitting surface of the light-emitting surface of white light source 22, ultraviolet source 21 with light guide plate 20 Fitting, ultraviolet source 21, white light source 22 are fixed by the bonding glue 8 and light guide plate 20 for being filled in gap between adjacent light source, Bonding glue 8 can specifically be filled in the gap between adjacent white light source 22, can also be filled in adjacent ultraviolet source 21 Between gap, be also possible to the gap being filled between adjacent white light source 22 and ultraviolet source 21, that is, for ultraviolet source 21 and white light source 22 when dividing the side that two layers is located at light guide plate 20, since flexible circuit board 3 is general relatively soft, it is more difficult to directly make The light source of storied placement directly stands on the side of light guide plate 20, therefore, can be by for dispensing glue between light source and light guide plate 20 Mode by the fixed side with light guide plate 20 of ultraviolet source 21 and white light source 22, moreover, in order to avoid bonding glue 8 influence it is ultraviolet The light guide plate 20 of light source 21 and white light source 22 enters light effect, can be first by the light-emitting surface of white light source 22, ultraviolet source 21 Light-emitting surface be bonded with light guide plate 20, carry out dispensing again later, to avoid bonding glue 8 be located at white light source 22 and light guide plate 20 Opposite space, or the space opposite with light guide plate 20 positioned at ultraviolet source 21.Further, the extension of flexible circuit board 3 It is bonded between portion 21 and thermally conductive sheet 5 by the two-sided heat-conducting glue band 63 of third, thermally conductive sheet 5 and control IC 4 is two-sided thermally conductive by the 4th Adhesive tape 64 is bonded, to realize that thermally conductive sheet 5 and flexible circuit board 3 is fixed, and thermally conductive sheet 5 and control IC 4 is fixed.
In the specific implementation, the material of thermally conductive sheet 5 can be graphite.In the embodiment of the present invention, the material of thermally conductive sheet 5 is stone Ink since graphite has preferable heat-conducting effect, and then the heat that light source distributes can be exported in time.
In the specific implementation, in conjunction with shown in Fig. 7 and Fig. 9, display device further includes framework bracket 9, and display panel 1 is located at frame In body support frame 9.The material of framework bracket 9 is specifically as follows plastics, for example, glue frame, or metal.
In the specific implementation, in conjunction with shown in Fig. 7 and Fig. 9, display panel includes being located at array substrate 11 far from counter substrate First polaroid 13 of 12 sides, and the second polaroid 14 positioned at counter substrate 12 far from 11 side of array substrate.
In the specific implementation, the material of light guide plate 20 can be quartz.In the embodiment of the present invention, the material of light guide plate 20 is Quartz when can be to avoid resinousness light guide plate is used, since the long-time of ultraviolet light is irradiated, can make light guide plate 20 turn to be yellow, influence The problem of normal display of display device.
In the specific implementation, one side away from display panel 1 of the display device in the embodiment of the present invention in light guide plate 20 It is also provided with cover sheet.
In the specific implementation, display device can also be mentioned with the present invention as shown in figure 11 for transmission liquid crystal display device The difference that the alltrans or half-reflection display device of confession are different is that transmission liquid crystal display device further includes backlight module 15, Backlight module 15 be specifically as follows transmission liquid crystal display device provide backlight, transmission liquid crystal display device of the invention its Its structure is identical as alltrans provided by the invention or half-reflection display device, and details are not described herein.The present invention implements offer Transmission liquid crystal display device is provided with front located light source structure 2, not only compared to traditional transmission liquid crystal display device With normal display function, ultraviolet disinfection can also be carried out to the outer surface of display device.
In the specific implementation, display device can also be OLED display, as shown in figure 12, and provided by the invention complete Differences trans- or that half-reflection display device is different are that the front located light source structure 2 of OLED display can only be arranged ultraviolet Light source 21 does not have to setting white light source 22, and can the first site 23 only be arranged in the one side towards display panel 1 in light guide plate 20, Without the second site 24 is arranged, meanwhile, OLED display does not need the first polaroid 13 of setting yet, and OLED of the invention is shown The other structures of device can be identical as alltrans provided by the invention or half-reflection display device, and details are not described herein.This hair The bright OLED display for implementing to provide is provided with front located light source structure 2, not only compared to traditional OLED display With normal display function, ultraviolet disinfection can also be carried out to the outer surface of OLED display.At this point, OLED display In include array substrate 11, counter substrate 12 and polaroid 14, wherein polaroid 14 is for preventing from reflecting.Of the invention In other embodiments, OLED display can not include counter substrate 12, it is only necessary to encapsulated layer array of packages substrate 11 be arranged On structure.
The embodiment of the present invention has the beneficial effect that: display device provided in an embodiment of the present invention, comprising: in display panel; Front located light source structure, front located light source structure are located at display panel light-emitting surface, and front located light source structure includes: light guide plate, are located at leaded light The ultraviolet source of plate side, and positioned at multiple first sites towards display panel one side of light guide plate;Purple light light source and aobvious Show that panel is stacked, in turn, when needing the outer surface to display device to carry out disinfection, can control ultraviolet source opening, The light of ultraviolet source outgoing enters to inject light guide plate, and the guiding of multiple first sites towards display panel one side through the light guide plate Effect, to light guide plate away from the one side outgoing of display panel, may be implemented by ultraviolet light to the outer surface of display device into Row ultraviolet disinfection, when carrying out disinfection compared with the existing technology to the outer surface of display device, it usually needs external chlorination equipment, this The display device that inventive embodiments provide can be realized by the ultraviolet source and the first site of itself setting to the outer of itself Display surface carries out disinfection, easy to operate, it is easy to accomplish, and can carry out disinfection as needed at any time, it is more convenient.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (23)

1. a kind of display device characterized by comprising
In display panel;
Front located light source structure, the front located light source structure are located at the display panel light-emitting surface, and the front located light source structure includes: Light guide plate, the ultraviolet source positioned at the light guide plate side, and positioned at the light guide plate towards the display panel one side Multiple first sites;
The ultraviolet source is stacked with the display panel.
2. display device as described in claim 1, which is characterized in that the front located light source structure further include: led positioned at described The white light source of tabula rasa side, and positioned at multiple second sites away from the display panel one side of the light guide plate.
3. display device as claimed in claim 2, which is characterized in that first site the light guide plate orthographic projection with Second site misses one another in the orthographic projection of the light guide plate.
4. display device as claimed in claim 3, which is characterized in that multiple first sites are distributed in site formula;It is multiple Second site is distributed in site formula.
5. display device as claimed in claim 4, which is characterized in that in the setting ultraviolet source by the light guide plate The opposite end of the light guide plate is directed toward in one end, and the distribution density of first site is gradually increased;In setting by the light guide plate The opposite end of the light guide plate is directed toward in the one end for setting the white light source, and the distribution density of second site is gradually increased.
6. display device as claimed in claim 2, which is characterized in that the ultraviolet source is UV LED, described White light source is white light emitting diode, and the front located light source structure includes multiple ultraviolet sources and multiple white lights Light source.
7. display device as claimed in claim 6, which is characterized in that the white light source and the ultraviolet source are positioned at described The same side of light guide plate.
8. display device as claimed in claim 7, which is characterized in that in the thickness direction along the light guide plate, the white light Two layers of the distribution of light source and the ultraviolet source point, and the white light source is located at the close display panel of the ultraviolet source Side.
9. display device as claimed in claim 7, which is characterized in that the white light source is located at same with the ultraviolet source Layer, and the white light source is successively alternately arranged with the ultraviolet source.
10. display device as claimed in claim 8 or 9, which is characterized in that the display panel includes the array being oppositely arranged Substrate and counter substrate, the array substrate include the first area Chong Die with the counter substrate, and beyond described opposed The second area of substrate, the ultraviolet source and the white light source are located at described second in the orthographic projection of the array substrate Region.
11. display device as claimed in claim 10, which is characterized in that the display device further includes being located at the array base The flexible circuit board towards the light guide plate side of plate, the flexible circuit board the array substrate orthographic projection with it is described There are overlapping regions for second area;The ultraviolet source and the white light source are fixed on the flexible circuit board.
12. display device as claimed in claim 11, which is characterized in that the second area of the array substrate is provided with Control IC;
The flexible circuit board is located at the side far from the array substrate of the control IC, and the face of the flexible circuit board Region corresponding with the control IC is provided with thermally conductive sheet to the one side of the control IC.
13. display device as claimed in claim 12, which is characterized in that the white light source and the ultraviolet source are located at together At one layer, the white light source is located at the one side away from the array substrate of the flexible circuit board with the ultraviolet source.
14. display device as claimed in claim 13, which is characterized in that the flexible circuit board deviates from the white light source One side the region opposite with the counter substrate pass through double faced adhesive tape be bonded.
15. display device as claimed in claim 14, which is characterized in that lead between the flexible circuit board and the thermally conductive sheet The first two-sided thermally conductive adhesive tape gluing is crossed, the thermally conductive sheet and the control IC pass through the second two-sided thermally conductive adhesive tape gluing.
16. display device as claimed in claim 12, which is characterized in that the white light source and two layers of the ultraviolet source point When distribution, the flexible circuit board includes: extension, and the bending part connecting with the extension, and the bending part prolongs It is vertical with the extending direction of the extension to stretch direction, the ultraviolet source and the white light source are fixed on the bending part.
17. display device as claimed in claim 16, which is characterized in that the light-emitting surface of the white light source, the ultraviolet light The light-emitting surface in source is bonded with the light guide plate, and the ultraviolet source, the white light source are by being filled between adjacent light source The bonding glue in gap is fixed with the light guide plate.
18. display device as claimed in claim 17, which is characterized in that the extension of the flexible circuit board with it is described The 4th two-sided heat-conducting glue band is passed through by the two-sided thermally conductive adhesive tape gluing of third, the thermally conductive sheet and the control IC between thermally conductive sheet Fitting.
19. display device as claimed in claim 12, which is characterized in that the material of the thermally conductive sheet is graphite.
20. display device as claimed in claim 12, which is characterized in that the display device further includes framework bracket, described Display panel is located in the framework bracket.
21. display device as claimed in claim 10, which is characterized in that the display panel includes being located at the array substrate Far from the counter substrate side the first polaroid, and positioned at counter substrate far from the array substrate side second partially Mating plate.
22. display device as described in claim 1, which is characterized in that the material of the light guide plate is quartz.
23. display device as described in claim 1, which is characterized in that the display device is for half-reflection display device or entirely Trans- display device.
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