CN109358448A - A kind of display device - Google Patents
A kind of display device Download PDFInfo
- Publication number
- CN109358448A CN109358448A CN201811400982.8A CN201811400982A CN109358448A CN 109358448 A CN109358448 A CN 109358448A CN 201811400982 A CN201811400982 A CN 201811400982A CN 109358448 A CN109358448 A CN 109358448A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- display device
- light guide
- liquid crystal
- light
- 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.)
- Pending
Links
Classifications
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Abstract
The invention discloses a kind of display devices, including reflective liquid crystal display panel, light guide plate and light source, wherein reflective liquid crystal display panel includes polarizer under upper polarizer, upper substrate, lower substrate and the reflection-type being sequentially stacked from top to bottom, and the light guide plate is fixedly connected with the side of upper substrate.By the side that light guide plate is transferred to reflective liquid crystal display panel, achieve the effect that display device ultra-thin, which can also effectively utilize ambient light and achieve the effect that energy saving, form the display device of prospect light formula, when ambient light is strong, not needing light source can be shown.
Description
Technical field
The present invention relates to field of display technology, relate more specifically to a kind of display device.
Background technique
Traditional liquid crystal display device is generally the structure of preceding LCD, rear backlight, the liquid crystal display device thickness of the structure
It is thicker and not energy saving enough.With the development of LCD technology, there is the prospect light liquid crystal of a kind of preceding backlight, rear LCD
Show mould group, i.e., a transparent light guide plate is set on the light-emitting surface of a reflection type LCD, hair is set in the side of transparent light guide plate
Optical assembly does not use backlight, which only consumes seldom power, and in the case where external illumination, the reflection-type
LCD also shows very high visuality.However, as customer demand is higher and higher, more the product of slimming and energy-saving at
For the primary focus for improving the market competitiveness.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides the display devices that one kind is more thinned.
Present invention technical effect to be achieved is realized by following scheme: a kind of display device, including reflective liquid crystal
Display panel, light guide plate and light source, wherein reflective liquid crystal display panel includes the upper polarisation being sequentially stacked from top to bottom
Polarizer under plate, upper substrate, lower substrate and reflection-type, the light guide plate are fixedly connected with the side of upper substrate.
Preferably, the lower end surface of the upper substrate is also formed with layer of transparent layer, and the hyaline layer is to will be in light guide plate
Light be directed into reflective liquid crystal display panel.
Preferably, the hyaline layer is several the hemispheric transparent protrusions for being formed in upper substrate lower end surface.
Preferably, black matrix" is additionally provided between the protrusion.
Preferably, the light guide plate is fixed with upper substrate by transparent guide-lighting glue sticking.
Preferably, polishing treatment is made in four sides of the upper substrate and lower substrate.
Preferably, polarizer is polarizer under polarizer or Transflective under total-reflection type under the reflection-type.
Preferably, an endface of light guide plate is arranged in the light source, and light source is arranged at least one side of light guide plate
Face.
Preferably, the light source is fixed in the groove that light guide plate opens up by adhesive, is formed and light guide plate integral type
Structure.
Preferably, touch screen is additionally provided with above the reflective liquid crystal display panel.
The invention has the following advantages that
By the way that light guide plate to be transferred to the side of reflective liquid crystal display panel, achieve the effect that display device ultra-thin, the knot
Structure can also effectively utilize ambient light and achieve the effect that energy saving, the display device of prospect light formula be formed, when extraneous light intensity
When strong, not needing light source can be shown.
Detailed description of the invention
Fig. 1 is a kind of side structure schematic view of display device in the present invention；
Fig. 2 is the structural schematic diagram that cover board or touch screen are increased in Fig. 1.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples, and the examples of the embodiments are shown in the accompanying drawings
Out, in which the same or similar labels are throughly indicated same or similar element or members with the same or similar functions
Part.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and should not be understood as to this
The limitation of invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation ",
Terms such as " settings " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, can also can also be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
As shown in Figure 1, the embodiment of the present invention provides a kind of display device, including reflective liquid crystal display panel 10, leaded light
Plate 20 and light source 30, wherein reflective liquid crystal display panel 10 include sequentially be stacked from top to bottom upper polarizer 11, on
Polarizer 14 under substrate 12, lower substrate 13 and reflection-type, the light guide plate 20 are fixedly connected with the side of upper substrate 12.The present invention
In by the way that light guide plate 20 to be transferred to the side of reflective liquid crystal display panel 10, achieve the effect that display device ultra-thin, should
Structure can also effectively utilize ambient light and achieve the effect that energy saving, form the display device of prospect light formula, work as ambient light
When strong, not needing light source 30 can be shown.
Specifically, the material of the upper substrate 12 of the reflective liquid crystal display panel 10 and lower substrate 13 is transparent substrate,
Preferably glass substrate, the upper substrate 12 can be color membrane substrates or array substrate, accordingly, the lower substrate 13 then can be with
It is array substrate or color membrane substrates.Liquid crystal layer (not shown), institute are also formed between the upper substrate 12 and lower substrate 13
Stating upper substrate 12, liquid crystal layer, the formation of lower substrate 13 and principle is liquid crystal display panel conventional technique in the prior art, this
Invention does not repeat.The present invention is it is noted that the lower end surface of the upper substrate 12 is also optionally formed with layer of transparent layer
15, the hyaline layer 15 is the light in light guide plate 20 to be directed into reflective liquid crystal display panel 10.Further, described
Hyaline layer 15 is several the hemispheric transparent protrusions for being formed in 12 lower end surface of upper substrate, and the protrusion can be matrix row
Column.It is also provided with black matrix" 16 between the protrusion, the light in each protrusion can be spaced apart.It should manage
Solution, the material of the hyaline layer 15 can select transparent optical cement class material, but not limited to this, material can efficiently by
Light imports in reflective liquid crystal display panel 10.
Polarizer 14 can be polarizer under total-reflection type under the reflection-type, and polarizer is only to light under the total-reflection type
Only reflection is without penetrating；Polarizer 14 is also possible to polarizer under Transflective under the reflection-type, i.e., existing to light
Reflection also penetrates.When polarizer 14 is polarizer under Transflective under the reflection-type, the reflective liquid crystal is shown
The lower section of panel 10 can also increase some luminous devices, and reflective liquid crystal display panel 10 is allow to show the effect of multiplicity
Fruit.
The upper surface of the reflective liquid crystal display panel 10 is display surface, and light guide plate 20 is formed in reflective liquid crystal and shows
The side of panel 10 can completely avoid the visibility problem for hindering to arrive liquid crystal display.The light source 30 is arranged in light guide plate
20 endface, light source 30 are arranged at least one side of light guide plate 20, and wherein cold cathode fluorescent tube, LED etc. can be with
As light source 30.When in order to improve brightness and the brightness uniformity when light source 30 is lighted, the light source 30, which can be formed in, is led
Three sides that tabula rasa 20 is not connect with reflective liquid crystal display panel 10, the light source 30 can also be fixed on by adhesive
In the groove that light guide plate 20 opens up, the structure with 20 integral type of light guide plate is formed, specific structure is that those skilled in the art exist
It can immediately arrive at, therefore not repeat on the basis of the present embodiment.
As a further improvement of the present invention, the light guide plate 20 is Nian Jie solid by transparent guide-lighting glue 40 with upper substrate 12
It is fixed.The leaded light glue 40 can be OCA optical cement.More preferably, the consistency of thickness of the light guide plate 20 and upper substrate 12, is equivalent to
The flat shape that light guide plate 20 and the horizontal splicing of upper substrate 12 are integrally fixed, effectively improves the reasonability and product of space layout
Stability.In order to enter the light in light guide plate 20 in reflective liquid crystal display panel 10, the light guide plate 20 is opposite
Reflective liquid crystal display panel 10 is additionally provided with light scattering layer on one side, and reflective liquid crystal display panel 10 is fully illuminated,
The light issued from light source 30 enters in light guide plate 20, and is incident in reflective liquid crystal display panel 10 and is undergone by light guide plate 20
Duplicate total reflection, and then illuminate entire reflective liquid crystal display panel 10.The light scattering layer specifically can be one
Gradient pattern, form or prism shape of particle etc..
Another kind as the embodiment of the present invention improves, in the guide-lighting glue 40 between the light guide plate 20 and upper substrate 12
Even to form light diffusion layer containing light diffusion particle, effect is identical as the effect of the light scattering layer of light guide plate 20, is used for
The light that light source 30 issues uniformly is broken up, enters light in reflective liquid crystal display panel 10, and reflection type liquid crystal
Display panel 10 reflects, to show content.
Heretofore described light guide plate 20 can be formed by transparent resin, and wherein transparent resin refers to higher transparent
Degree and photoconductivity resin, as propylene benzonitrile ethylene copolymer, cellulose acetate, cellulose propionate ester, polymethylpentene resin,
Polycarbonate resin, polystyrene resin or polyester resin etc..
In the present invention, polishing treatment is made in four sides of the upper substrate 12 and lower substrate 13, the plane after polishing by
It is pierced in Glabrous, the light for being incident on the side can reflect, and not will cause light leakage.
The reflective liquid crystal display panel 10 also leads to display FPC50, and display FPC50 is connected to driving IC, real
The display function of existing reflective liquid crystal display panel 10.For rational deployment, the display FPC50 and light guide plate 20 are preferably formed as
In the opposed two sides of reflective liquid crystal display panel 10.
As shown in Fig. 2, the top of the reflective liquid crystal display panel 10 is additionally provided with cover board or touch screen 60, the lid
Plate or touch screen 60 can paste the upper surface of the reflective liquid crystal display panel 10, example using existing any mode
Such as frame patch or full fitting.Preferably, the touch screen 60 and reflective liquid crystal display panel 10 are complete using transparent OCA optical cement
Fitting, to guarantee the light transmittance of display device.
Display device optical principle of the invention can be understood as when needing to open light source 30 and being illuminated, and light source 30 is sent out
Light out enters in light guide plate 20, and the light in light guide plate 20 enters back into reflective liquid crystal display panel 10, enters anti-
The light of emitting liquid crystal display panel 10 carries out total reflection in reflective liquid crystal display panel 10 and realizes reflective liquid crystal display surface
The picture of plate 10 is shown；When ambient is stronger, it is also not necessary to external light sources 30, aobvious in reflective liquid crystal using setting
Show that extraneous light is imported into emitting liquid crystal display panel by the light guide plate 20 of 10 side of panel, it is aobvious to enter reflective liquid crystal
Show that the light of panel 10 carries out the picture that reflective liquid crystal display panel 10 is realized in total reflection in reflective liquid crystal display panel 10
It has been shown that, reaches energy-efficient effect.The light guide plate 20 of the embodiment of the present invention is formed in the side of reflective liquid crystal display panel 10, no
The space on display device thickness is occupied, keeps display device more lightening.
Display device of the invention can be applicable in portable electronic device, such as electronic watch, wireless phone, hand-held electric
Words, scientific calculator, notebook personal computer, PDA, digital camera, video camera or business application communication apparatus etc..
Finally, it should be noted that above embodiments be only to illustrate the technical solution of the embodiment of the present invention rather than to its into
Row limitation, although the embodiment of the present invention is described in detail referring to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are modified or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (10)
1. a kind of display device, which is characterized in that including reflective liquid crystal display panel, light guide plate and light source, wherein reflection-type
Liquid crystal display panel includes polarizer under upper polarizer, upper substrate, lower substrate and the reflection-type being sequentially stacked from top to bottom,
The light guide plate is fixedly connected with the side of upper substrate.
2. a kind of display device as described in claim 1, which is characterized in that the lower end surface of the upper substrate is also formed with one layer
Hyaline layer, the hyaline layer is the light in light guide plate to be directed into reflective liquid crystal display panel.
3. a kind of display device as claimed in claim 2, which is characterized in that the hyaline layer is to be formed in upper substrate lower end surface
Several hemispheric transparent protrusions.
4. a kind of display device as claimed in claim 3, which is characterized in that be additionally provided with black matrix" between the protrusion.
5. a kind of display device as described in claim 1, which is characterized in that the light guide plate is led with upper substrate by transparent
Optical cement is adhesively fixed.
6. a kind of display device as described in claim 1, which is characterized in that four sides of the upper substrate and lower substrate are equal
Make polishing treatment.
7. a kind of display device as described in claim 1, which is characterized in that polarizer is under total-reflection type under the reflection-type
Polarizer under polarizer or Transflective.
8. a kind of display device as described in claim 1, which is characterized in that an end face of light guide plate is arranged in the light source
Place, light source are arranged at least one side of light guide plate.
9. a kind of display device as claimed in claim 8, which is characterized in that the light source is fixed on light guide plate by adhesive
In the groove opened up, the structure with light guide plate integral type is formed.
10. a kind of display device as described in claim 1, which is characterized in that the top of the reflective liquid crystal display panel
It is additionally provided with touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400982.8A CN109358448A (en) | 2018-11-22 | 2018-11-22 | A kind of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811400982.8A CN109358448A (en) | 2018-11-22 | 2018-11-22 | A kind of display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109358448A true CN109358448A (en) | 2019-02-19 |
Family
ID=65338436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811400982.8A Pending CN109358448A (en) | 2018-11-22 | 2018-11-22 | A kind of display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109358448A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0651310A (en) * | 1992-07-31 | 1994-02-25 | Sharp Corp | Liquid crystal display device |
| US20080151576A1 (en) * | 2001-05-16 | 2008-06-26 | Benzion Inditsky | Ultra-Thin Backlight |
| CN101504125A (en) * | 2008-02-04 | 2009-08-12 | 北京京东方光电科技有限公司 | Back light source |
| CN102308248A (en) * | 2009-02-10 | 2012-01-04 | 夏普株式会社 | Liquid crystal display device |
| TW201523044A (en) * | 2013-12-02 | 2015-06-16 | Hon Hai Prec Ind Co Ltd | Light guide plate and backlight module having same |
| CN205844684U (en) * | 2016-06-03 | 2016-12-28 | 厦门弘汉光电科技有限公司 | The light guide plate of backlight assembly and adhesive frame structure |
| CN207281424U (en) * | 2017-08-01 | 2018-04-27 | 信利半导体有限公司 | A kind of backlight module and liquid crystal display die set |
| CN108363238A (en) * | 2018-04-25 | 2018-08-03 | 京东方科技集团股份有限公司 | A kind of reflecting type liquid crystal display panel and preparation method thereof, display device |
-
2018
- 2018-11-22 CN CN201811400982.8A patent/CN109358448A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0651310A (en) * | 1992-07-31 | 1994-02-25 | Sharp Corp | Liquid crystal display device |
| US20080151576A1 (en) * | 2001-05-16 | 2008-06-26 | Benzion Inditsky | Ultra-Thin Backlight |
| CN101504125A (en) * | 2008-02-04 | 2009-08-12 | 北京京东方光电科技有限公司 | Back light source |
| CN102308248A (en) * | 2009-02-10 | 2012-01-04 | 夏普株式会社 | Liquid crystal display device |
| TW201523044A (en) * | 2013-12-02 | 2015-06-16 | Hon Hai Prec Ind Co Ltd | Light guide plate and backlight module having same |
| CN205844684U (en) * | 2016-06-03 | 2016-12-28 | 厦门弘汉光电科技有限公司 | The light guide plate of backlight assembly and adhesive frame structure |
| CN207281424U (en) * | 2017-08-01 | 2018-04-27 | 信利半导体有限公司 | A kind of backlight module and liquid crystal display die set |
| CN108363238A (en) * | 2018-04-25 | 2018-08-03 | 京东方科技集团股份有限公司 | A kind of reflecting type liquid crystal display panel and preparation method thereof, display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103823319B (en) | Backlight module and the liquid crystal indicator with this backlight module | |
| CN103775925B (en) | Backlight module | |
| US10241255B2 (en) | Backlight module and liquid crystal display | |
| CN107357081A (en) | Reflecting type liquid crystal display panel | |
| US10809453B2 (en) | Display device | |
| US11556022B2 (en) | Liquid crystal display device | |
| CN104808390B (en) | Backlight module and liquid crystal display device | |
| CN101464594A (en) | Back light module unit | |
| CN104832837A (en) | Backlight module and display device | |
| CN203337958U (en) | Backlight module and display device | |
| WO2023160643A1 (en) | Display module and display device | |
| CN105759490A (en) | Brightness enhancement film, display module and display device | |
| CN101533177B (en) | Portable electronic device and dual-side type liquid crystal display device | |
| US20060119774A1 (en) | Display device incorporating a phase-change layer | |
| CN205318064U (en) | Backlight module and display device | |
| CN108427225B (en) | Liquid crystal display panel, display device and working method thereof | |
| CN202532338U (en) | LED backlight module | |
| CN205049840U (en) | Double-sided display module with optical functional film | |
| CN207502871U (en) | A kind of novel liquid crystal display device | |
| WO2017020364A1 (en) | Backlight module for liquid crystal displays | |
| CN109358448A (en) | A kind of display device | |
| CN206523723U (en) | The display of built-in light source | |
| CN1635410B (en) | Portable electronic device and double-faced LCD thereof | |
| CN209373312U (en) | A kind of backlight module for touch control display apparatus | |
| KR20060133821A (en) | Backlight assembly and liquid crystal display comprising the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190219 |