CN107728379A - A kind of ultra-thin direct-type backlight flat panel Liquid Crystal display module - Google Patents
A kind of ultra-thin direct-type backlight flat panel Liquid Crystal display module Download PDFInfo
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- CN107728379A CN107728379A CN201711106948.5A CN201711106948A CN107728379A CN 107728379 A CN107728379 A CN 107728379A CN 201711106948 A CN201711106948 A CN 201711106948A CN 107728379 A CN107728379 A CN 107728379A
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
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)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of ultra-thin direct-type backlight flat panel Liquid Crystal display module,It by the backboard of traditional direct-type backlight flat panel Liquid Crystal display module by being reduced to laminated structure,Blooming piece hangs over formation diffusion optically focused module in diffuser plate locating dowel and eliminates liquid crystal panel fixed frame,Liquid crystal panel protective glass is directly bonded to form liquid crystal panel integrally screen entirely with liquid crystal panel simultaneously,Finally integrally shielded by liquid crystal panel,Diffusion optically focused module and backlight Reflecting backboard are arranged on module support frame and form two-sided pure flat ultra-thin direct-type backlight flat panel Liquid Crystal display module,Not only simplify the packaging technology of direct-type backlight flat panel Liquid Crystal display module,Structure is more compact,The air gap is smaller,Image is relatively sharp,And being bonded naturally due to liquid crystal panel and backlight module,Manufactured full fitting liquid crystal display die set visible angle is wider.
Description
Technical field
The present invention relates to field of liquid crystal panel display, more particularly to a kind of ultra-thin direct-type backlight flat panel Liquid Crystal to show mould
Group.
Background technology
Liquid crystal display panel is that itself does not light, so being come display image by thin film transistor (TFT) driving electrodes
The backlight that liquid crystal display panel provides all light sources plays highly important role, and the cost of backlight accounts for liquid crystal
Show the 30-50% of device, the electric power consumed more accounts for 75%, can say it is considerable component in liquid crystal display.According to backlight
The difference of the position of placement, backlight module can be divided into two kinds of direct-type backlight and side entrance back, when large-sized liquid crystal display
When device uses side-edge type backlight, cost and size, the weight of light guide plate are directly proportional, and the uniformity of area source and arrival liquid
The index such as brightness of crystalline substance screen can decline, and down straight aphototropism mode set due to light source directly vertically upward, light loss is small, with side entering type
Backlight module, which is compared, to be saved electric power and is increasing brightness and reduce and taken advantage in cost, thus down straight aphototropism mode set into
The main flow developed for the backlight of large scale liquid crystal display panel.
Although application of the down straight aphototropism mode set in large scale liquid crystal display is with the obvious advantage, its application there is also
Some defects, cause the liquid crystal display die set of current direct-type backlight more thick and heavy；Specifically include：1st, down straight aphototropism mode set
The punching press backboard that backboard encloses by bottom plate and side plate, its cross sectional shape are that class is trapezoidal, wherein composition backlight exiting surface
Diffuser plate and blooming piece be installed on the back plate openings end face that four side plates enclose, then in backlight exiting surface
Liquid crystal panel is simultaneously fixed on fixed frame by upper installation liquid crystal panel fixed frame, finally installs front frame in liquid crystal panel surface
It is fixedly connected with backboard, causes the gap of liquid crystal panel and exiting surface larger and complicated, heavy；2nd, for straight-down negative LED
Backlight module, module thickness indication are defined as mixed light height, at present needed for its backlight of down straight aphototropism mode set on the market
Light mixing distance is longer, adds the thickness of backing structure；And make because warpage easily occurs for the reflecting plate of conventional plastic material
Obtain it needs prearrangement of deformation amount wide arc gap between liquid crystal panel, further increases the thickness of the liquid crystal display die set of direct-type backlight
Degree；Because plastics diffuser plate is too soft, so wanting mounted array or diffuser plate to support post on backboard, picture can be influenceed and form light
Point.3rd, the down straight aphototropism mode set of large scale liquid crystal display is intended to open large-scale metal stamping die for different sizes, opens
Mould expense is sufficiently expensive, then the chassis of the thick and heavy down straight aphototropism mode set of punching press iron plate making, chassis are gone to metal stamping die
Rust, plating, drilling, rivet, spraying etc. clearly are also carried out after shaping, complex process cost is expensive, and dimensional variations are all each time
Tool is re-molded, opening period length, causes the new-product development time to be grown, mould increases, stamping parts stock increase.How not
Increase backlight cost, reduce power consumption, under energy-saving preceding topic, brightness is improved by new construction design, improved out
The uniformity of light and to direct-type backlight liquid crystal module carry out be thinned loss of weight be research and development emphasis and difficult point.
The content of the invention
It is an object of the invention to provide a kind of ultra-thin direct-type backlight flat panel Liquid Crystal display module.
Realizing the technical scheme of the object of the invention is, a kind of ultra-thin direct-type backlight flat panel Liquid Crystal display module, it includes
Liquid crystal panel integrally shields, spreads optically focused module, backlight Reflecting backboard, module support frame, backlight control panel and liquid crystal display
Power panel, the liquid crystal panel integrally shield by liquid crystal panel and are attached at the liquid crystal panel protective glass group of liquid crystal panel surface
Into the diffusion optically focused module includes diffuser plate and the blooming piece positioned at the exiting surface side of diffuser plate, the diffuser plate
Surrounding is provided with the locating dowel that the incidence surface of self-diffusion plate stretches out to diffuser plate exiting surface side, and the blooming piece hangs up locking
In diffuser plate locating dowel；The upper surface of the module support frame offers preceding caulking groove, the liquid crystal that the liquid crystal panel integrally shields
Panel protective glass surrounding be attached at before on caulking groove and with the upper surface flush of module support frame, the module support frame is from preceding embedding
The bottom level of groove extends an extension, and the diffuser plate is pasted on the back side of extension and the diffuser plate exiting surface
Optics module face phase liquid crystal panel；The backlight Reflecting backboard includes backboard and backlight, and the backboard is sheet high temperature resistant
Sheet material, the upper surface of backboard are printed with the incidence surface of black insulating oil layer of ink, the black dielectric ink layer surface and diffuser plate
To part and module support inframe side between diffuser plate and backboard by be provided with what is leaked for preventing light
Reflecting layer, the cross sectional shape of the effective reflecting surface in the reflecting layer is open-bottom, upper bottom is parallel with diffuser plate and upper bottom is close
The class trapezium structure of backboard, several array backlight hole positions is uniformly left on the reflecting layer of black dielectric ink layer surface, often
One backlight is installed, the back side of the module support frame offers rear caulking groove, the backboard in individual backlight hole position
Its surrounding is attached on rear caulking groove and flushed with the back side of module support frame.
For superior technique effect, ultra-thin direct-type backlight flat panel Liquid Crystal display module of the present invention can also do with
Lower improvement：
Further, the black dielectric ink layer surface does not install the part in reflecting layer and is provided with part installing zone, the backlight
Source control panel and liquid crystal display power panel are installed on part installing zone or metallic sandwich sheet.
Further, the diffuser plate includes a ultra-clear glasses, and the exiting surface and incidence surface of the ultra-clear glasses are bumps
Uneven and transparent irregular micro-nano light pearl diffusing reflection face, light diffusion ink layer, wherein light extraction are printed with the incidence surface
Face glossiness is 60~90, and incidence surface glossiness is 5~10.
Glass diffuser plate is not susceptible to deformation compared to conventional plastic diffuser plate, then liquid crystal surface can be approached by spreading optically focused module
Plate is installed, it is only necessary to is stayed 1~2mm the air gaps, is not only increased brightness and be also further thinned direct-type backlight flat panel Liquid Crystal and show
Show the thickness of module；Uneven and transparent irregular micro-nano light pearl diffusing reflection face can not only ensure that luminous flux can also reach
The effect in face is dissolved into uniform light.
Further, the incidence surface of the diffuser plate is printed with light diffusion ink layer.
After the light diffusion ink layer is sufficiently stirred by transparent resin and nanometer leaded light powder, with silk screen overall printed in light extraction
On face, the effect of mutually scattering refraction can be produced after the light of exiting surface runs into the guide-lighting powder in transparent resin, makes exiting surface
The brighter uniformity is more preferable, and compare when close to the backlight site of traditional array formula, net block structure are not easy to form shade,
Light mixing distance is shortened, by taking 86 cun of down straight aphototropism mode sets as an example, light mixing distance can be thinned to 20mm.
Further, the blooming piece is by the overlapping lower diffusion barrier of order from top to bottom, horizon prism film, vertical rib
Mirror film and the diaphragm group of upper diffusion barrier composition or other there is the monolithic optical diaphragms of brightening properties.
Further, the backboard is a safety glass, compared to routine board of high molecular materials or sheet metal, its
With good heat dissipation effect, it is unlikely to deform, rakish advantage.
Further, the module support frame is the framework being made up of frame bar, is connected between adjacent frame bar by corner
Fitting connects.
Knockdown module support mount structure can cut frame bar length according to liquid crystal panel size, form various chis
The frame of very little panel, it need not be for various sizes of down straight aphototropism mode set karat gold category punching press model and the processing stock metal back of the body
Plate, save huge die sinking expense metal material expense and stock material expense.
Further, it is provided with OPS on the module support frame（Full name is：Open Pluggable
Specification, open pluggable specification）Interface mounting hole or control button mounting hole.Can be by OPS computers and straight-down negative
Backlighting panel liquid crystal display die set electrically connects, or installation direct-type backlight flat panel Liquid Crystal display module control button.
Further, the diffusion optically focused module is locked in the back side of the extension or only described diffuser plate is pasted on institute
State the back side of extension.When only diffuser plate is pasted on horizontal-extending section of the back side, maintenance is readily disassembled.
Further, the liquid crystal panel protective glass back side is coated with or is pasted with capacitance touching control module.
Further, the liquid crystal panel protective glass surface surrounding is pasted with infrared touch module.
Further, loudspeaker mounting hole is offered on the outside on the liquid crystal panel protective glass surface.
The present invention by the backboard of traditional direct-type backlight flat panel Liquid Crystal display module by being reduced to laminated structure, optics
Diaphragm, which is hung over, to be formed diffusion optically focused module and eliminates liquid crystal panel fixed frame in diffuser plate locating dowel, while liquid crystal panel is protected
Shield glass is directly bonded to form liquid crystal panel integrally screen entirely with liquid crystal panel, is finally integrally shielded by liquid crystal panel, diffusion optically focused mould
Group and backlight Reflecting backboard form two-sided pure flat ultra-thin direct-type backlight flat panel Liquid Crystal on module support frame and shown
Show module.Flat panel Liquid Crystal display module structure simplifies the packaging technology of direct-type backlight flat panel Liquid Crystal display module, and structure is more
To be compact, the air gap is smaller, and image is relatively sharp, especially large scale liquid crystal display module, and it is more obvious that weight loss effect is thinned；
And the full fitting liquid crystal display die set visible angle made of being bonded naturally of liquid crystal panel and backlight module is wider, while by
In it is front and rear be two blocks of glass, glass good heat dissipation effect, complete machine tightness is high, and prevents the invasion of chalk and aqueous vapor.
Brief description of the drawings
Fig. 1 is ultra-thin direct-type backlight flat panel Liquid Crystal display module dimensional structure diagram described in the embodiment of the present invention；
Fig. 2 is A-A in Fig. 1 to sectional view；
Fig. 3 is ultra-thin direct-type backlight flat panel Liquid Crystal display module assembly structure diagram described in the embodiment of the present invention；
Fig. 4 is the surface structure schematic diagram of backlight described in the embodiment of the present invention；
Fig. 5 is I parts mplifying structure schematic diagram in Fig. 3；
Fig. 6 is that the uneven and transparent irregular micro-nano light pearls knot structure of incidence surface described in the embodiment of the present invention amplifies 500 times
Photo afterwards；
Fig. 7 is Fig. 6 structure schematic diagram.
Embodiment
Present pre-ferred embodiments are described further below in conjunction with accompanying drawing.
As shown in Figures 1 to 6, a kind of ultra-thin direct-type backlight flat panel Liquid Crystal display module, it includes liquid crystal panel one
Screen 1, diffusion optically focused module 2, backlight Reflecting backboard and module support frame 5, the liquid crystal panel integrally shield 1 by liquid crystal panel
11 and it is attached at the liquid crystal panel protective glass 12 on the surface of liquid crystal panel 11 and forms, the diffusion optically focused module 2 includes diffusion
Plate 21 and the blooming piece 22 positioned at the side of exiting surface 211 of diffuser plate, the surrounding of diffuser plate 21 are provided with self-diffusion plate
The side of exiting surface 211 from incidence surface to diffuser plate stretch out locating dowel 23, the blooming piece 22, which is hanged up, is locked in diffuser plate
In 21 locating dowels；The module support frame 5 is the framework being made up of frame bar 51, is connected between adjacent frame bar 51 by corner
Part 52 connects, and the front 53 of the module support frame 5 offers preceding caulking groove 531, the liquid crystal panel that the liquid crystal panel integrally shields
Flushed before the surrounding of protective glass 12 is attached on caulking groove 531 and with the upper surface 53 of module support frame, the module support frame 5 is certainly
The bottom level of preceding caulking groove 531 extends an extension 5311, and diffuser plate 21 is pasted on the back side of extension 5311 and the expansion
Liquid crystal panel 11 described in the face phase of optics module 22 to fall apart on exiting surface；The backlight Reflecting backboard includes backboard 3 and LED is carried on the back
Light source 4, the backboard 3 are made by safety glass, and the upper surface of backboard 3 is printed with black insulating oil layer of ink 31, and the black is exhausted
It is provided with by the surface of edge ink layer 31 and the inner side 54 of the module support frame 5 between diffuser plate 21 and backboard 3 for preventing
The reflecting layer 6 that only light leaks, the cross sectional shape of the effective reflecting surface in the reflecting layer 6 is open-bottom, upper bottom and diffuser plate
Several battle arrays are uniformly left on the reflecting layer 6 of black dielectric ink layer surface 31 close to the class trapezium structure of backboard in parallel and upper bottom
Column backlight hole position 311, a LED backlight 4, the module support frame 5 are installed in each backlight hole position 311
The back side 55 offer rear caulking groove 551, described its surrounding of backboard 3 be attached on rear caulking groove 551 and with the back side of module support frame
54 flush, and the part 312 that reflecting layer is not installed on the surface of black insulating oil layer of ink 31 is provided with part installing zone, the part installing zone
Backlight control panel 7 and liquid crystal display power panel 8 are installed.
As shown in Figures 5 to 7, the diffuser plate 21 is made by a ultra-clear glasses, the He of incidence surface 211 of the ultra-clear glasses
Exiting surface 212 is uneven and transparent irregular micro-nano light pearl diffusing reflection face, and the glossiness of exiting surface 212 is 80, incidence surface
211 glossiness are 7, are printed with light diffusion ink layer 213 on the incidence surface and exiting surface of diffuser plate respectively.
Present pre-ferred embodiments are these are only, backboard of the present invention can also be conventional macromolecule in actual production
Material sheet material（Such as acrylic）Or metallic sandwich sheet, but glass has good heat dissipation effect, the advantages of being unlikely to deform；The module branch
Support frame is not limited to combine mount structure, can also be integrally formed, but knockdown module support mount structure can be according to liquid crystal surface board foot
Very little size cuts frame bar length, forms the frame of various sizes panel, and it is without being directed to various sizes of downward back optical mode
Group karat gold category punching press model and processing stock's metal backing, save huge die sinking expense and stock material expense；The expansion
The fixed structure for dissipating optically focused module is not limited to described in embodiment, can also directly be locked in horizontal-extending section of the back side, when only expanding
Fall apart when being pasted on horizontal-extending section of the back side, be readily disassembled maintenance；The present invention can also be in the liquid crystal panel protective glass
The back side is coated with or is pasted with capacitance touching control module, or is pasted with infrared touch module shape in liquid crystal panel protective glass surface surrounding
Into the display module for possessing touch controllable function；Can also be provided with the module support frame OPS interfaces mounting hole or control by
Button mounting hole, so as to which OPS computers be electrically connected with direct-type backlight flat panel Liquid Crystal display module, or installation direct-type backlight flat board
Liquid crystal display die set control button；The backlight is not limited to shown in embodiment, can also be CCFL light sources, but LED backlight
Luminous efficiency is higher；The blooming piece can be by the overlapping lower diffusion barrier of order from top to bottom, horizon prism film, vertical rib
Mirror film and the diaphragm group of upper diffusion barrier composition or other there is the monolithic optical diaphragms of brightening properties；The diffusion optically focused module
Mounting structure is not limited to described in embodiment, and diffuser plate and blooming piece can also be locked in horizontal-extending section of the back of the body jointly
Face, when only diffuser plate is pasted on horizontal-extending section of the back side, it is readily disassembled maintenance；The reflecting layer can be by the white of routine
Reflective sheeting is folded and formed, and can also attach white reflection paper after surrounding installation side plate on backboard and side plate on backboard, or
White reflection film is printed on backboard and side plate or reflective ink, the cross sectional shape of the effective reflecting surface in the reflecting layer are opened for bottom
Mouthful, upper bottom is parallel with diffuser plate and upper bottom close to backboard class trapezium structure, wherein upper bottom be it is trapezoidal in shorter base；It is described
Installation fixed form of the backlight on backboard can also also be used for prior art, part installing zones such as conventional bonding, lockings
In the conventional hardware such as Android board and loudspeaker, backlight control panel and liquid crystal display power panel installation site are not limited to backlight
Plate, module support inframe can also be arranged on, therefore not to repeat here；The present invention is used to paste liquid crystal panel and liquid crystal panel protection
The optical cement of glass includes solid-state uv flexible glue, liquid uv glue, OCA optical cements etc., wherein solid-state uv flexibility sticker
Composite rate is higher.
Diffuser plate of the present invention is also not necessarily limited to the glass material described in embodiment, can also be that the plastics such as PMMA or PC expand
Fall apart, but glass diffuser plate is not susceptible to deformation compared to conventional plastic diffuser plate, can individually support, should not Auxiliary support nail；
After the light diffusion ink layer is sufficiently stirred by transparent resin and nanometer leaded light powder, with silk screen overall printed in glass surface, light
Diffusion ink layer can only be printed on the incidence surface side of diffuser plate, when the exiting surface of diffuser plate also prints light diffusion ink, mix
Electrical distance can be contracted to 20mm；Described uneven and transparent irregular micro-nano light pearl diffusing reflection face is then to be lost again through sandblasting
The anti-dazzle technique carved is process；The thickness of the diffuser plate is also not limited to described in embodiment, and under thinned requirement, thickness is excellent
Elect 2 ± 5mm as, wherein exiting surface glossiness is generally 60~90 according to thickness change, and incidence surface glossiness is according to thickness change
Generally 5~10.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent flow conversion that bright description is made, or other related technical areas are directly or indirectly used in, similarly wrap
Include in the scope of patent protection of the present invention.
Claims (12)
- A kind of 1. ultra-thin direct-type backlight flat panel Liquid Crystal display module, it is characterised in that：It includes liquid crystal panel integrally screen, diffusion Optically focused module, backlight Reflecting backboard, module support frame, backlight control panel and liquid crystal display power panel, the liquid crystal panel One screen is by liquid crystal panel and is attached at the liquid crystal panel protective glass of liquid crystal panel surface and forms, the diffusion optically focused module Blooming piece including diffuser plate and positioned at the exiting surface side of diffuser plate, the diffuser plate surrounding are provided with self-diffusion plate The locating dowel that incidence surface stretches out to diffuser plate exiting surface side, the blooming piece, which is hanged up, to be locked in diffuser plate locating dowel；Institute The upper surface for stating module support frame offers preceding caulking groove, and the bottom level of module support frame from the preceding caulking groove extends an extension Section, the diffuser plate are pasted on optics module on the back side of extension and the diffuser plate exiting surface towards the liquid crystal surface Plate；The backlight Reflecting backboard includes backboard and backlight, and the backboard is sheet high temperature resistant sheet material, and the upper surface of backboard prints Brushed with black insulating oil layer of ink, the incidence surface of the black dielectric ink layer surface and diffuser plate to part and diffuser plate Be provided with the reflecting layer for preventing light from leaking by module support inframe side between backboard, the reflecting layer it is effective anti- The cross sectional shape for penetrating face is open-bottom, upper bottom is parallel with diffuser plate and upper bottom is close to the class trapezium structure of backboard, black insulation Several array backlight hole positions are uniformly left on the reflecting layer of ink layer surface, an institute is installed in each backlight hole position Backlight is stated, the back side of the module support frame offers rear caulking groove, and its surrounding of the backboard is attached on rear caulking groove and and mould The back side of group carriage flushes.
- 2. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The black is exhausted The part that edge ink layer surface does not install reflecting layer is provided with part installing zone, the backlight control panel and liquid crystal display power panel It is installed on part installing zone.
- 3. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The diffuser plate Including a ultra-clear glasses, the exiting surface and incidence surface of the ultra-clear glasses overflow for uneven and transparent irregular micro-nano light pearl Reflecting surface, light diffusion ink layer is printed with the incidence surface, wherein exiting surface glossiness is 60~90, incidence surface glossiness For 5~10.
- 4. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 3, it is characterised in that：The ultrawhite glass Light diffusion ink layer is printed with the exiting surface of glass.
- 5. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The optical film Piece is the diaphragm group being made up of order from top to bottom overlapping lower diffusion barrier, horizon prism film, vertical prism film and upper diffusion barrier Or other have the monolithic optical diaphragm of brightening properties.
- 6. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The backboard is One safety glass or metallic sandwich sheet.
- 7. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The module branch Support frame is the framework being made up of frame bar, is connected between adjacent frame bar by Corner Link.
- 8. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The module branch OPS interfaces mounting hole or control button mounting hole are provided with support frame.
- 9. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The diffusion is poly- Optical mode group is locked in the back side of the extension or only described diffuser plate is pasted on the back side of the extension.
- 10. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The liquid crystal The panel protective glass back side is coated with or is pasted with capacitance touching control module.
- 11. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The liquid crystal Panel protective glass surface surrounding is pasted with infrared touch module.
- 12. ultra-thin direct-type backlight flat panel Liquid Crystal display module according to claim 1, it is characterised in that：The liquid crystal Loudspeaker mounting hole is offered on the outside on panel protective glass surface.
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| CN201711106948.5A CN107728379B (en) | 2017-11-10 | 2017-11-10 | Ultrathin direct type backlight flat-panel liquid crystal display module |
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| CN108182878A (en) * | 2018-03-22 | 2018-06-19 | 合肥惠科金扬科技有限公司 | A kind of display device |
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| CN110488409A (en) * | 2019-08-12 | 2019-11-22 | 中航华东光电有限公司 | It is a kind of integration key light guide panel and display equipment |
| CN110488409B (en) * | 2019-08-12 | 2021-04-13 | 中航华东光电有限公司 | Integrated key light guide panel and display device |
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| CN113625482A (en) * | 2021-08-19 | 2021-11-09 | 深圳市明彩新世纪科技有限公司 | Direct type liquid crystal display module of liquid crystal display television and installation method |
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| CN114253033A (en) * | 2021-12-23 | 2022-03-29 | 上海天马微电子有限公司 | Device and method for adjusting light mixing height of backlight module |
| CN114253033B (en) * | 2021-12-23 | 2024-05-17 | 上海天马微电子有限公司 | Device for adjusting light mixing height of backlight module and method for adjusting light mixing height |
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