CN110045545A - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN110045545A CN110045545A CN201910413742.XA CN201910413742A CN110045545A CN 110045545 A CN110045545 A CN 110045545A CN 201910413742 A CN201910413742 A CN 201910413742A CN 110045545 A CN110045545 A CN 110045545A
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- CN
- China
- Prior art keywords
- display panel
- circuit board
- flexible circuit
- display device
- ultraviolet 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.)
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- 239000000084 colloidal system Substances 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims description 29
- 239000012528 membrane Substances 0.000 claims description 18
- 230000003760 hair shine Effects 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 10
- 239000005357 flat glass Substances 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 230000008033 biological extinction Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of display device.A kind of display device includes display panel and backlight module, and backlight module includes: flexible circuit board, and flexible circuit board includes the first surface and second surface being oppositely arranged;Back light, the first surface of flexible circuit board is arranged in multiple back light arrangements, and is located at display panel in the orthographic projection of flexible circuit board;Ultraviolet source, the second surface of flexible circuit board is arranged in multiple ultraviolet source arrangements, and it is located at the first end at flexible circuit board edge, the first end of flexible circuit board is fixedly connected by colloid with the upper surface of display panel, wherein, the upper surface of display panel is the surface far from backlight module side.In the present invention, by the way that ultraviolet source is contained within the outline border of backlight module and is located on the light-emitting surface of display panel, so that the ultraviolet light of ultraviolet source can not only preferably kill the bacterium on the light-emitting surface of display panel, and use is safer.
Description
[technical field]
The present invention relates to field of display technology more particularly to a kind of display devices.
[background technique]
Fig. 1 is the structural schematic diagram of prior art disinfection display device 100.
As shown in Figure 1, in the prior art, disinfection display device 100 includes display device 110 and ultraviolet lamp tube 120.It is aobvious
Showing device 110 includes cover-plate glass 111, display panel 112, backlight module 113.Display panel 112 be located at cover-plate glass 111 with
Between backlight module 113.Ultraviolet lamp tube 120 is located at the side of cover-plate glass 111.Ultraviolet lamp tube 120 is killed using ultraviolet light
The bacterium of display device 110.But ultraviolet lamp tube 120 is located at except display device 110, the structure of disinfection display device 100 is multiple
It is miscellaneous;At ultraviolet lamp tube 120, ultraviolet source is set in quartz glass, although quartz glass improves the ultraviolet light of ultraviolet source
The light emission rate of line, but quartz glass is expensive.
[summary of the invention]
The present invention provides a kind of display device.
A kind of display device includes display panel and backlight module, and the backlight module includes:
Flexible circuit board, the flexible circuit board include the first surface and second surface being oppositely arranged;
The first surface of the flexible circuit board, and position is arranged in back light, multiple back light arrangements
In the display panel in the orthographic projection of the flexible circuit board;
The second surface of the flexible circuit board, and position is arranged in ultraviolet source, multiple ultraviolet source arrangements
The first end of first end in the flexible circuit board edge, the flexible circuit board passes through colloid and the display
The upper surface of panel is fixedly connected, wherein the upper surface of the display panel is the surface far from the backlight module side.
Optionally, the display panel further includes the array substrate being oppositely arranged and color membrane substrates, the array substrate packet
The first edge region beyond the color membrane substrates side is included, the first edge region is the stepped region of the display panel,
The first end is fixed on the stepped region by colloid.
Optionally, the back light includes the first light emitting diode, and first light emitting diode is rectangular-shape, institute
Stating the first light emitting diode includes the first bottom surface and the first top surface, and first bottom surface and first top surface are oppositely arranged, institute
It states the first bottom surface to contact with the first surface of the flexible circuit board, first top surface shines, and first top surface is
First light emitting diode is close to the side of the display panel;
The ultraviolet source include the second light emitting diode, second light emitting diode be rectangular-shape, described second
Light emitting diode includes the second bottom surface, the second top surface and second side, and second bottom surface and second top surface are oppositely arranged,
Second bottom surface is contacted with the second surface of the flexible circuit board, and the second side is located at second bottom surface and described
Between second top surface, the second side shines, and the second side is close to the side at the display panel center.
Optionally, along the direction perpendicular to plane where the display panel, second light emitting diode it is described
Second bottom surface is higher by plane where the display panel.
Optionally, along being parallel to where the display panel along the direction of plane, second light emitting diode it is described
Spacing between second side and the color membrane substrates is greater than 0.3 millimeter and less than 0.5 millimeter.
Optionally, the backlight module further includes outline border, and the outline border accommodates the display panel, the flexible circuit
Plate, the back light, the ultraviolet source, the second surface of the flexible circuit board are fixed on described outer by colloid
Frame.
Optionally, the display panel includes viewing area, and the viewing area of the outline border exposure display panel is simultaneously
And cover the ultraviolet source.
Optionally, the colloid is heat dissipation colloid.
Optionally, the emission wavelength of the ultraviolet source is greater than 200 nanometers and less than 275 nanometers.
Optionally, the luminous intensity of the ultraviolet source is greater than 70 μ W/cm2。
Optionally, the flexible circuit board includes the first line and the second route of on-off independent of one another, the backlight light
Source is electrically connected with the first line, and the ultraviolet source is electrically connected with second route.
Optionally, the display device further include control chip, the control chip respectively with the first line and institute
The electrical connection of the second route is stated, lights or control the ultraviolet sources ignition individually to control the back light.
In the present invention, flexible circuit board includes the first surface and second surface being oppositely arranged, multiple back light rows
The first surface of flexible circuit board is arranged in cloth, and the second surface of flexible circuit board, backlight is arranged in multiple ultraviolet source arrangements
Light source and ultraviolet source are all disposed on flexible circuit board, and flexible circuit board had not only carried back light but also carried ultraviolet source.It is logical
The first surface and second surface for crossing flexible circuit board carry different back light and ultraviolet source respectively, and by flexible circuit
Backboard is folded to the upper surface of display panel, and solid by the upper surface of colloid and display panel in the first end of flexible circuit board
Fixed connection saves a flexible circuit board, together in this way it is not necessary that two flexible circuit boards are arranged for back light and ultraviolet source
When can also save the thickness of backlight module, be avoided to ultraviolet source a flexible circuit board be separately provided to cause additionally to carry out
Contraposition attaches, and reduces the complexity of the packaging technology of backlight module.By ultraviolet source is contained in backlight module outline border it
On interior and light-emitting surface positioned at display panel, so that the ultraviolet light of ultraviolet source can not only preferably kill display panel
Bacterium on light-emitting surface, and use is safer.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of prior art disinfection display device 100;
Fig. 2 is the structural schematic diagram of display device of the embodiment of the present invention 200;
Fig. 3 is another structural schematic diagram of display device of the embodiment of the present invention 200;
Fig. 4 is another structural schematic diagram of display device of the embodiment of the present invention 200;
Fig. 5 is the light path schematic diagram of display device of the embodiment of the present invention 200;
Fig. 6 is the conspectus of display device of the embodiment of the present invention 200.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though device may be described in embodiments of the present invention using term first, second etc., but these
Device should not necessarily be limited by these terms.These terms are only used to for device being distinguished from each other out.For example, not departing from the embodiment of the present invention
In the case where range, first device can also be referred to as second device, and similarly, second device can also be referred to as the first dress
It sets.
Present inventor studies discovery: in the prior art, ultraviolet lamp tube 120 is located at except display device 110;It is ultraviolet
Fluorescent tube 120 and display device 110 are not integral structure, and ultraviolet lamp tube 120 needs to carry respectively with display device 110, this is inconvenient
In use;Ultraviolet lamp tube 120 cannot be directly relatively fixed with display device 110, and ultraviolet lamp tube 120 and display device 110 need
Relatively fixed by other devices except the two, such structure is complicated;Ultraviolet lamp tube 120 itself does not have protective device, purple
The ultraviolet light irradiation display device 110 of outer fluorescent tube 120 irradiates ambient enviroment simultaneously, this can injure human body or object.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of display device.
Fig. 2 is the structural schematic diagram of display device of the embodiment of the present invention 200;Fig. 3 is display device of the embodiment of the present invention 200
Another structural schematic diagram.
As shown in Figure 2,3, display device 200 includes display panel 210 and backlight module 220, and backlight module 220 is located at edge
Perpendicular to the lower section on 210 place surface of display panel, backlight module 220 includes: flexible circuit board 221, and flexible circuit board 221 wraps
Include the first surface 221A and second surface 221B being oppositely arranged;Back light 222, the multiple arrangement of back light 222 settings exist
The first surface 221A of flexible circuit board 221, and it is located at display panel 210 in the orthographic projection of flexible circuit board 221;Ultraviolet light
Source 223, multiple ultraviolet sources 223, which are arranged, is arranged in the second surface 221B of flexible circuit board 221, and is located at flexible circuit board
The first end 221C at 221 edges, the first end 221C of flexible circuit board 221 are upper by colloid 230 and display panel 210
Surface 210A is fixedly connected, wherein the upper surface 210A of display panel 210 is the surface far from 220 side of backlight module.It can be with
Understand ground, the display panel in the embodiment of the present invention is a liquid crystal display panel, usually in the light-emitting surface of liquid crystal display panel
One cover-plate glass is set, touch operation is carried out usually on cover-plate glass, the ultraviolet source of setting of the embodiment of the present invention is to aobvious
Show that the light-emitting surface of panel carries out disinfection sterilizing, that is to say to carry out disinfection for the cover-plate glass on the upside of display panel light-emitting surface and go out
Bacterium, therefore the light-emitting surface of following display panel is equal to the light output surface of cover-plate glass.
In embodiments of the present invention, flexible circuit board 221 includes the first surface 221A and second surface being oppositely arranged
221B, multiple back lights 222, which are arranged, is arranged in the first surface 221A of flexible circuit board 221, and multiple ultraviolet sources 223 are arranged
The second surface 221B of flexible circuit board 221 is set, and back light 222 and ultraviolet source 223 are all disposed within flexible circuit board
On 221, flexible circuit board 221 had not only carried back light 222 but also had carried ultraviolet source 223.Pass through the first of flexible circuit board 221
Surface 221A and second surface 221B carries different back light 222 and ultraviolet source 223 respectively, and by flexible circuit board
221 back are folded to the upper surface 210A of display panel 210, and the first end 221C of flexible circuit board 221 by colloid 230 with
The upper surface 210A of display panel 210 is fixedly connected, in this way without being arranged two for back light 222 and ultraviolet source 223
Flexible circuit board 221 saves a flexible circuit board 221, while can also save the thickness of backlight module 220, is avoided to
A flexible circuit board 221, which is separately provided, in ultraviolet source 223 causes additionally to carry out contraposition attaching, reduces the group of backlight module 220
Fill the complexity of technique.Display device 200 and ultraviolet source 223 are integral structure, display device 200 and ultraviolet source 223 1
Block carries, and is easy to use in this way;Ultraviolet source 223 is fixed in display device 200, and such structure is simple.
As shown in Figure 2,3, display panel 210 further includes the array substrate 211 being oppositely arranged and color membrane substrates 212, array
Substrate 211 includes the first edge region 211A beyond 212 side of color membrane substrates, and first edge region 211A can be used as display surface
Usually peripheral wiring circuit and driving chip can be arranged in stepped region in the stepped region of plate 210, and first end 221C passes through colloid
230 are fixed on the top of stepped region, ultraviolet source 223 can be positioned, and prevent the position of ultraviolet source 223 mobile.This
Outside, the conducting between peripheral wiring circuit in order to prevent, the colloid 230 are chosen as insulation colloid, in order to prevent ultraviolet source work
The heat for making to generate can not overflow, and lead to the light-out effect of thermal expansion influence display device, which is chosen as thermal paste
Body.
In embodiments of the present invention, display panel 210 further includes the array substrate 211 that is oppositely arranged and color membrane substrates 212,
Array substrate 211 includes the first edge region 211A beyond 212 side of color membrane substrates, and color membrane substrates 212 are not arranged in first
On fringe region 211A, the liquid crystal layer between array substrate 211 and color membrane substrates 212 is not arranged in first edge region 211A
On, first edge region 211A is the non-display area of display panel 210.First edge region 211A is the platform of display panel 210
Rank area, first end 221C are fixed on stepped region by colloid 230, and ultraviolet source 223 is located at first end 221C, ultraviolet source
223 are arranged on the 211A of first edge region and are not arranged on the viewing area of display panel 210, and ultraviolet source 223 does not hide
Keep off display panel 210 image, i.e., ultraviolet source 223 and be not take up display panel viewing area region, meanwhile, the purple
If the stepped region of display panel is arranged in outer light source 223, without the side space for occupying display panel and backlight module, have
Conducive to the narrow frame for realizing display device.
As shown in Fig. 2, it is rectangular-shape that back light 222, which includes the first light emitting diode D1, the first light emitting diode D1,
First light emitting diode D1 includes the first bottom surface 222A and the first top surface 222B, and the first bottom surface 222A and the first top surface 222B are opposite
Setting, the first bottom surface 222A are contacted with the first surface 221A of flexible circuit board 221, and the first top surface 222B shines, the first top surface
222B is the first light emitting diode D1 close to the side of display panel 210;Ultraviolet source 223 includes the second light emitting diode D2,
Second light emitting diode D2 is rectangular-shape, and the second light emitting diode D2 includes the second bottom surface 223A, the second top surface 223B and the
Two side faces 223C, the second bottom surface 223A and the second top surface 223B are oppositely arranged, and the of the second bottom surface 223A and flexible circuit board 221
Two surface 221B contact, second side 223C is between the second bottom surface 223A and the second top surface 223B, second side 223C hair
Light, and second side 223C is close to the side at 210 center of display panel.
In embodiments of the present invention, back light 222 include the first light emitting diode D1, the first light emitting diode D1 can be with
Issue luminous ray;The first bottom surface 222A of first light emitting diode D1 is contacted with the first surface 221A of flexible circuit board 221,
The first bottom surface 222A of first light emitting diode D1 is fixed on the first surface 221A of flexible circuit board 221, flexible circuit board
221 the first light emitting diode D1 of carrying;The first top surface 222B of first light emitting diode D1 close to display panel 210 and is sent out
Light, the luminous ray of the first light emitting diode D1 irradiate display panel 210, and display panel 210 is realized using liquid crystal optics effect
Display.Ultraviolet source 223 includes that the second light emitting diode D2, the second light emitting diode D2 can issue ultraviolet light;Second hair
The second bottom surface 223A of optical diode D2 is contacted with the second surface 221B of flexible circuit board 221, the second light emitting diode D2's
Second bottom surface 223A is fixed on the second surface 221B of flexible circuit board 221, and flexible circuit board 221 carries the second light-emitting diodes
Pipe D2;The second side 223C of second light emitting diode D2 is close to 210 center of display panel and shines, the second light emitting diode
The viewing area of the ultraviolet light irradiation display panel 210 of D2, the ultraviolet light of the second light emitting diode D2 kill display panel 210
Viewing area on bacterium.
As shown in Fig. 2, along perpendicular on the direction Y of 210 place plane of display panel, the second of the second light emitting diode D2
Bottom surface 223A is higher by 210 place plane of display panel.
In embodiments of the present invention, along perpendicular on the direction Y of 210 place plane of display panel, the second light emitting diode
The second bottom surface 223A of D2 is higher by 210 place plane of display panel, and the second bottom surface 223A of the second light emitting diode D2 is higher by aobvious
Show the viewing area of panel 210, the second side 223C of the second light emitting diode D2 is located at the second bottom of the second light emitting diode D2
On the 223A of face, the second side 223C of the second light emitting diode D2 is higher by the viewing area of display panel 210, the second light emitting diode
The second side 223C of D2 is close to 210 center of display panel and issues ultraviolet light, the ultraviolet light of the second light emitting diode D2
Line irradiates the viewing area of display panel 210, and the ultraviolet light of the second light emitting diode D2 is killed on the viewing area of display panel 210
Bacterium.
As shown in Fig. 2, along being parallel on the direction X of 210 place plane of display panel, the second of the second light emitting diode D2
Spacing between side 223C and color membrane substrates 212 is greater than 0.3 millimeter and less than 0.5 millimeter.
In embodiments of the present invention, on the one hand, along being parallel on the direction X of 210 place plane of display panel, second shines
Spacing between the second side 223C and color membrane substrates 212 of diode D2 is greater than 0.3 millimeter, the second light emitting diode D2 and coloured silk
Ilm substrate 212 is larger apart, has liquid crystal layer, the second light emitting diode D2 and liquid between color membrane substrates 212 and array substrate 211
At a distance of larger, the second light emitting diode D2 issues ultraviolet light and generates heat, the heat of the second light emitting diode D2 crystal layer
Have no effect on liquid crystal layer.On the other hand, edge is parallel on the direction X of 210 place plane of display panel, the second light emitting diode D2
Second side 223C and color membrane substrates 212 between spacing less than 0.5 millimeter, the second light emitting diode D2 and color membrane substrates
212 at a distance of smaller, the viewing area of the covering display panel 210 of color membrane substrates 212, the second light emitting diode D2 and display panel 210
Viewing area at a distance of smaller, the ultraviolet light of the second light emitting diode D2 is preferably killed on the viewing area of display panel 210
Bacterium.
Fig. 4 is another structural schematic diagram of display device of the embodiment of the present invention 200.
As shown in figure 4, backlight module 220 further includes outline border 224, outline border 224 accommodates display panel 210, flexible circuit board
221, the second surface 221B of back light 222, ultraviolet source 223, flexible circuit board 221 is fixed on outline border by colloid 230
224。
In embodiments of the present invention, outline border 224 accommodates display panel 210, flexible circuit board 221, back light 222, purple
Outer light source 223, outline border 224 protect display panel 210, flexible circuit board 221, back light 222, ultraviolet source 223.Flexible electrical
The second surface 221B of road plate 221 is fixed on outline border 224 by colloid 230, and outline border 224 carries flexible circuit board 221, to hold
The multiple back lights 222 for carrying the first surface 221A that flexible circuit board 221 is arranged in arrangement are arranged with arrangement in flexible circuit
Multiple ultraviolet sources 223 of the second surface 221B of plate 221.
As shown in figure 4, display panel 210 includes viewing area AA, the viewing area AA of the exposure display panel 210 of outline border 224 is simultaneously
And cover ultraviolet source 223.
In embodiments of the present invention, display panel 210 includes viewing area AA, and display panel 210 provides at the AA of viewing area
Image, the viewing area AA of the exposure display panel 210 of outline border 224, outline border 224 do not block the image of display panel 210, display surface
The image of plate 210 is visible from beginning to end.Outline border 224 covers ultraviolet source 223, the purple in 224 block ultraviolet source 223 of outline border
UV light, the ultraviolet light of ultraviolet source 223 can not be within outline borders 224 to except outline border 224, in order to avoid ultraviolet source 223
Ultraviolet light injures human body or object except outline border 224, and due to the protection of outline border 224, can make this includes ultraviolet source
223 display device 200 uses upper safer.By ultraviolet source 223 is contained in backlight module 220 outline border 224 it
On interior and light-emitting surface positioned at display panel 210, so that the ultraviolet light of ultraviolet source 223 can not only preferably kill display
Bacterium on the light-emitting surface of panel 210, and use is safer.
As shown in figure 4, colloid 230 is heat dissipation colloid.
In embodiments of the present invention, colloid 230 is heat dissipation colloid, and colloid 230 can distribute heat.Back light 222 is sent out
Luminous ray and heat is generated out, ultraviolet source 223 issues ultraviolet light and generates heat, back light 222 and ultraviolet
Light source 223 is all disposed on flexible circuit board 221, and the first end 221C of flexible circuit board 221 is fixed on aobvious by colloid 230
Show that the upper surface 210A of panel 210, the second surface 221B of flexible circuit board 221 are fixed on outline border 224 by colloid 230;Back
The heat of radiant 222 and the heat of ultraviolet source 223 are first transmitted to flexible circuit board 221 and are distributed again by colloid 230.
Fig. 5 is the light path schematic diagram of display device of the embodiment of the present invention 200.
As shown in figure 5, the emission wavelength of ultraviolet source 223 is greater than 200 nanometers and less than 275 nanometers.
In embodiments of the present invention, the emission wavelength of ultraviolet source 223 be greater than 200 nanometers and less than 275 nanometers, this
The ultraviolet light of sample kills bacterium;Optionally, the emission wavelength of ultraviolet source 223 is to receive greater than 250 nanometers and less than 270
Rice, such ultraviolet light preferably kill bacterium.Specifically, the viewing area AA of the exposure of outline border 224 display panel 210, outline border
The viewing area AA of bacterium contact display panel 210 except 224;The ultraviolet light irradiation display panel 210 of ultraviolet source 223
Viewing area AA, the ultraviolet light of ultraviolet source 223 kill the bacterium on the viewing area AA of display panel 210.
As shown in figure 5, the luminous intensity of ultraviolet source 223 is greater than 70 μ W/cm2。
In embodiments of the present invention, the luminous intensity of ultraviolet source 223 is greater than 70 μ W/cm2, such ultraviolet light kills
It goes out bacterium;Optionally, the luminous intensity of ultraviolet source 223 is greater than 90 μ W/cm2, such ultraviolet light preferably kills carefully
Bacterium.Specifically, outline border 224 exposes the viewing area AA of display panel 210, the bacterium contact display panel 210 except outline border 224
Viewing area AA;The viewing area AA of the ultraviolet light irradiation display panel 210 of ultraviolet source 223, the ultraviolet light of ultraviolet source 223
Kill the bacterium on the viewing area AA of display panel 210.
Fig. 6 is the conspectus of display device of the embodiment of the present invention 200.
As shown in fig. 6, flexible circuit board 221 includes the first line L1 and the second route L2 of on-off independent of one another, backlight
Light source 222 is electrically connected with first line L1, and ultraviolet source 223 is electrically connected with the second route L2.
In embodiments of the present invention, at flexible circuit board 221, first line L1 leads to independently of one another with the second route L2
Disconnected, back light 222 is electrically connected with first line L1, and ultraviolet source 223 is electrically connected with the second route L2;First line L1 transmission
Ignition voltage is to back light 222 and the second route L2 transmits extinction voltage and passes to ultraviolet source 223 or first line L1
Defeated extinction voltage is to back light 222 and the second route L2 transmits ignition voltage to ultraviolet source 223 or first line L1
Extinction voltage is transmitted to back light 222 and the second route L2 transmits extinction voltage to ultraviolet source 223 or first line
L1 transmits ignition voltage to back light 222 and the second route L2 transmits ignition voltage to ultraviolet source 223;Back light
The voltage of 222 voltage and ultraviolet source 223 is independently.
As shown in fig. 6, display device 200 further include control chip 240, control chip 240 respectively with first line L1 and
Second route L2 electrical connection, lights or controls ultraviolet source 223 individually controlling back light 222 and light.
In embodiments of the present invention, in display device 200, control chip 240 respectively with first line L1 and the second line
Road L2 electrical connection, lights or controls ultraviolet source 223 individually controlling back light 222 and light;Chip 240 is controlled by the
One route L1 control back light 222, which is lighted and controls ultraviolet source 223 by the second route L2, to be extinguished, or control chip
240 control the extinguishing of back light 222 by first line L1 and are lighted by the second route L2 control ultraviolet source 223, or
Person controls chip 240 and controls the extinguishing of back light 222 by first line L1 and control ultraviolet source by the second route L2
223 extinguish, or control chip 240 is lighted by first line L1 control back light 222 and controlled by the second route L2
Ultraviolet source 223 processed is lighted;The bright dark state of back light 222 and the bright dark state of ultraviolet source 223 are independently.
In conclusion the present invention provides a kind of display device.A kind of display device includes display panel and backlight module, back
Optical mode group includes: flexible circuit board, and flexible circuit board includes the first surface and second surface being oppositely arranged;Back light is more
The first surface of flexible circuit board is arranged in a back light arrangement, and is located at display panel in the orthographic projection of flexible circuit board
It is interior;Ultraviolet source, the second surface of flexible circuit board is arranged in multiple ultraviolet source arrangements, and is located at flexible circuit board edge
The first end of first end, flexible circuit board is fixedly connected by colloid with the upper surface of display panel, wherein display panel
Upper surface be far from backlight module side surface.In the present invention, by the way that ultraviolet source is contained in the outer of backlight module
Within frame and it is located on the light-emitting surface of display panel, so that the ultraviolet light of ultraviolet source can not only preferably kill display surface
Bacterium on the light-emitting surface of plate, and use is safer.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (12)
1. a kind of display device, which is characterized in that the display device includes display panel and backlight module, the backlight module
Include:
Flexible circuit board, the flexible circuit board include the first surface and second surface being oppositely arranged;
Back light, the first surface of the flexible circuit board is arranged in multiple back light arrangements, and is located at institute
Display panel is stated in the orthographic projection of the flexible circuit board;
Ultraviolet source, the second surface of the flexible circuit board is arranged in multiple ultraviolet source arrangements, and is located at institute
The first end at flexible circuit board edge is stated, the first end of the flexible circuit board passes through colloid and the display panel
Upper surface be fixedly connected, wherein the upper surface of the display panel be far from the backlight module side surface.
2. display device according to claim 1, which is characterized in that the display panel further includes the array being oppositely arranged
Substrate and color membrane substrates, the array substrate include the first edge region beyond the color membrane substrates side, first side
Edge region is the stepped region of the display panel, and the first end is fixed on the stepped region by colloid.
3. display device according to claim 1, which is characterized in that the back light includes the first light emitting diode,
First light emitting diode is rectangular-shape, and first light emitting diode includes the first bottom surface and the first top surface, described the
One bottom surface and first top surface are oppositely arranged, and first bottom surface is contacted with the first surface of the flexible circuit board,
First top surface shines, and first top surface is first light emitting diode close to the side of the display panel;
The ultraviolet source includes the second light emitting diode, and second light emitting diode is rectangular-shape, and described second shines
Diode includes the second bottom surface, the second top surface and second side, and second bottom surface and second top surface are oppositely arranged, described
Second bottom surface is contacted with the second surface of the flexible circuit board, and the second side is located at second bottom surface and described second
Between top surface, the second side shines, and the second side is close to the side at the display panel center.
4. display device according to claim 3, which is characterized in that the side of plane where perpendicular to the display panel
Upwards, second bottom surface of second light emitting diode is higher by plane where the display panel.
5. display device according to claim 2, which is characterized in that the side of plane where being parallel to the display panel
Upwards, the spacing between the second side and the color membrane substrates of second light emitting diode be greater than 0.3 millimeter and
Less than 0.5 millimeter.
6. display device according to claim 1, which is characterized in that the backlight module further includes outline border, the outline border
Accommodate the display panel, the flexible circuit board, the back light, the ultraviolet source, the institute of the flexible circuit board
It states second surface and the outline border is fixed on by colloid.
7. display device according to claim 6, which is characterized in that the display panel includes viewing area, the outline border
It exposes the viewing area of the display panel and covers the ultraviolet source.
8. display device described in -6 any one according to claim 1, which is characterized in that the colloid is heat dissipation colloid.
9. display device according to claim 1, which is characterized in that the emission wavelength of the ultraviolet source is greater than 200
Nanometer and less than 275 nanometers.
10. display device according to claim 1, which is characterized in that the luminous intensity of the ultraviolet source is greater than 70 μ
W/cm2。
11. display device according to claim 1, which is characterized in that the flexible circuit board includes on-off independent of one another
First line and the second route, the back light be electrically connected with the first line, the ultraviolet source and described second
Route electrical connection.
12. display device according to claim 11, which is characterized in that the display device further includes control chip, institute
It states control chip to be electrically connected with the first line and second route respectively, be lighted individually to control the back light
Or the control ultraviolet sources ignition.
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CN116360156A (en) * | 2023-03-23 | 2023-06-30 | 惠科股份有限公司 | Display device and electronic apparatus |
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