CN108535917A - A kind of design method of LED backlight and LED screen - Google Patents
A kind of design method of LED backlight and LED screen Download PDFInfo
- Publication number
- CN108535917A CN108535917A CN201810400107.3A CN201810400107A CN108535917A CN 108535917 A CN108535917 A CN 108535917A CN 201810400107 A CN201810400107 A CN 201810400107A CN 108535917 A CN108535917 A CN 108535917A
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- led
- backlight
- screen
- design method
- base plate
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- 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
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- 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)
Abstract
The invention discloses a kind of LED backlight and the design method of LED screen, the design method of the LED backlight includes step：The backlight area of LED screen is divided into the LED unit of the homalographic of several parallel connections according to preset LED screen shape, each LED unit is made to correspond to the more series LED lamps being uniformly arranged；And each LED unit is integrally disposed on the first flexible base plate, and cabling is determined according to the shape of LED screen and each LED unit, then the first flexible base plate is cut, obtains LED integration modules.The LED backlight designed using the design method of LED backlight of the present invention, can easily carry out backlight regional area brightness regulation, energy saving, enhance the endurance of battery, and the setting of flexible base plate, it can significantly be bent so that screen is conveniently designed to abnormity.
Description
Technical field
The present invention relates to backlight technology field more particularly to the design methods of a kind of LED backlight and LED screen.
Background technology
The backlight of mobile phone mainly uses side type LED backlight technology at present, by light source, light guide plate, and optical diaphragm, and
The compositions such as plastic frame.Principle is the interference phenomenon that light guide plate destroys light using the network point distribution at guide-lighting acrylic board bottom, by LED points
Light source is uniformly converted into area source, by guiding the scattering direction of light, makes the distribution of light more uniform.It is shown in Figure 1, side
Side formula LED backlight technology is that LED light 100 is simply connected and is connected in parallel, and finally draws backlight anode and cathode, control
Mainboard cannot control the luminance switch of one of them or certain several LED.The back of the body is integrally presently mainly controlled by PWM technologies
The brightness of light.But the scale and fineness that side backlight technology restriction back light source brightness region is adjusted at present.Mesh simultaneously
Since light guide plate is made of plastic cement, outline border is made front side edge formula LED backlight technology of iron frame, not flexible, if any bending, then can
Cause backlight uneven, and if by screen configuration design at abnormity, difficulty is larger.
Therefore, the existing technology needs to be improved and developed.
Invention content
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide the designs of a kind of LED backlight and LED screen
Method, to overcome existing LED backlight to be inconvenient to carry out, regional luminance adjusting and outline border be not flexible and screen is more difficult sets
Count into the problem of abnormity.
Technical scheme is as follows：
The present invention provides a kind of design methods of LED backlight, wherein including step：
The backlight area of LED screen is divided into the LED unit of the homalographic of several parallel connections according to preset LED screen shape,
Each LED unit is set to correspond to the more series LED lamps being uniformly arranged；And
Each LED unit is integrally disposed on the first flexible base plate, and according to the shape of LED screen and each LED unit
It determines cabling, then the first flexible base plate is cut, obtain LED integration modules.
The design method of the LED backlight, wherein the design method of the LED backlight further includes step：
LED integration modules are bound technique by FOF to combine with control module, wherein the control module packet
The second software substrate is included, and the local dimming control IC and peripheral circuit being arranged on second flexible base plate.
The design method of the LED backlight, wherein the LED light uses full-color RGB mixed lights lamp bead.
The design method of the LED backlight, wherein the LED light uses white light lamp bead.
The design method of the LED backlight, wherein the LED light is using blue-ray LED collocation fluorescent powder.
The design method of the LED backlight, wherein use thickness for described in the LED light of 0.15mm~0.3mm composition
LED unit.
The design method of the LED backlight, wherein constitute the LED unit using 4 LED light being uniformly arranged.
The present invention also provides a kind of design methods of LED screen, wherein including step：
The backlight area of LED screen is divided into the LED unit of the homalographic of several parallel connections according to preset LED screen shape,
Each LED unit is set to correspond to the more series LED lamps being uniformly arranged；
Each LED unit is integrally disposed on the first flexible base plate, and according to the shape of LED screen and each LED unit
It determines cabling, then the first flexible base plate is cut, obtain LED integration modules；
LED integration modules are bound technique by FOF to combine with control module, wherein the control module packet
The second software substrate is included, and the local dimming control IC and peripheral circuit being arranged on second flexible base plate；And
Corresponding optical diaphragm, the first reflecting piece, LCD display are set gradually from bottom to up on the top of LED unit
Plate, the second reflecting piece.
The beneficial effects of the invention are as follows：The present invention provides a kind of LED backlight and the design method of LED screen, the present invention
By the way that the backlight area of LED screen to be divided into the LED unit of the homalographic of several parallel connections, each LED unit is made to correspond to more
The series LED lamp of even setting, and each LED unit is integrally disposed in the LED backlight obtained on the first flexible base plate, it can
Convenient to carry out backlight regional area brightness regulation, energy saving enhances the endurance of battery, and the setting of flexible base plate,
It can significantly be bent so that screen is conveniently designed to abnormity.
Description of the drawings
Fig. 1 is the structural schematic diagram of side light type LED backlight source in the prior art.
Fig. 2 is the flow chart of the design method of the LED backlight of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the LED screen of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the control module of the embodiment of the present invention.
Fig. 5 is the partial structural diagram of the LED backlight of the embodiment of the present invention.
Fig. 6 is the structural schematic diagram of the LED backlight of the embodiment of the present invention.
Fig. 7 is another partial structural diagram of the LED backlight of the embodiment of the present invention.
Fig. 8 is backlight Close All status diagram of the present invention.
Fig. 9 is backlight local dimming status diagram of the present invention.
Figure 10 is displaying information on screen status diagram of the present invention.
Specific implementation mode
The present invention provides the design method of a kind of LED backlight and LED screen, for make the purpose of the present invention, technical solution and
Effect is clearer, clear, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
The design method of a kind of LED backlight provided in an embodiment of the present invention, as shown in Fig. 2, including：
Step S100, the backlight area of LED screen is divided into the homalographic of several parallel connections according to preset LED screen shape
LED unit makes each LED unit correspond to the more series LED lamps being uniformly arranged；And
Step S200, each LED unit is integrally disposed on the first flexible base plate, and according to the shape of LED screen and respectively
A LED unit determines cabling, is then cut to the first flexible base plate, obtains LED integration modules.
The present invention makes each LED by the way that the backlight area of LED screen to be divided into the LED unit of the homalographic of several parallel connections
Unit corresponds to the more series LED lamps being uniformly arranged, and each LED unit is integrally disposed in and is obtained on the first flexible base plate
LED backlight can easily carry out backlight regional area brightness regulation, and energy saving enhances the endurance of battery, and soft
The setting of property substrate, can significantly be bent so that screen is conveniently designed to abnormity.
Further, in the present embodiment, in the step S200, according to the shape of the LED screen and line position is walked, it is right
First flexible base plate is cut.Shape and cabling are first designed, then carries out abnormity and cuts, the various demands of client can be met.
Further, in the present embodiment, the design method of the LED backlight further includes step：
Step S300, LED integration modules are bound technique by FOF to combine with control module, wherein the control
Molding block includes the second software substrate, and the local dimming control IC and periphery electricity being arranged on second flexible base plate
Road.Wherein, the FOF bindings technique, i.e. flexible printed wiring board combination flexible printed wiring board binding technique.
Further, in the present embodiment, the LED light uses full-color RGB mixed lights lamp bead or white light lamp bead, can also use
Blue-ray LED collocation fluorescent powder.Using full-color RGB mixed lights or white light, 100%NTSC high colour gamuts can be reached and shown, and penetrated
The LED of blue-ray LED collocation fluorescent powder, then can reach the display effect of 80~90%NTSC.The present invention can by arrangement above
Promote LCD high contrasts and high colour gamut display effect.
Further, in the present embodiment, use thickness mono- for the Mini LED light of the 0.15mm~0.3mm composition LED
Member.The LED light that the present embodiment is uniformly arranged using 4 constitutes the LED unit, in other embodiments, the LED unit
Can be in series by the LED light of other quantity, such as 6,8 etc..The LED unit constitutes Mini with the first flexible base plate
LED integration modules.
Further, in the present embodiment, the LED backlight designed using design method of the present invention, for example, such as Fig. 3
Shown in Fig. 7, including：First flexible base plate (FPC substrates) 1, parallel connection are integrally disposed in multiple on first flexible base plate 1
The identical LED unit 2 of area, and be electrically connected with the LED unit 2 for independently controlling 2 brightness of each LED unit change
The control module 9 of change；Each LED unit 2 is in series by the more LED light being uniformly arranged 21.The control module 9
Including the second flexible base plate 91, and the local dimming being arranged on the second flexible base plate (FPC substrates) 91 controls IC (chip)
92 and peripheral circuit (peripheral electron element) 93.The order that local dimming control IC receiving hosts end is started, then
Decoding, regenerates corresponding drive waveforms, controls the working condition of the LED light of each LED unit.The peripheral circuit provides electricity
Source filters out the clutter in signal, and local dimming is allowed to control IC the operation is stable.
Further, the embodiment of the present invention also provides a kind of design method of LED screen, wherein including step：
Step S100, the backlight area of LED screen is divided into the homalographic of several parallel connections according to preset LED screen shape
LED unit makes each LED unit correspond to the more series LED lamps being uniformly arranged；
Step S200, each LED unit is integrally disposed on the first flexible base plate, and according to the shape of LED screen and respectively
A LED unit determines cabling, is then cut to the first flexible base plate, obtains LED integration modules；
Step S300, LED integration modules are bound technique by FOF to combine with control module, wherein the control
Molding block includes the second software substrate, and the local dimming control IC and periphery electricity being arranged on second flexible base plate
Road；And
Step S400, corresponding optical diaphragm, the first reflecting piece, liquid are set gradually from bottom to up on the top of LED unit
LCD panel, the second reflecting piece.
Further, in the specific implementation, together referring to shown in Fig. 3, Fig. 6, use is of the present invention by the step S400
The LED screen of design method design further includes being successively set on the optical diaphragm (optical on 2 top of the LED unit from bottom to up
Film) the 3, first reflecting piece (POL) 4, the 5, second reflecting piece 6 of liquid crystal display panel (LCD Panel).Wherein, optical diaphragm 3,
First reflecting piece 4, liquid crystal display panel 5, the second reflecting piece 6 constitute liquid crystal module (LCD) together.First polaroid and
Two polaroids include various polarisation diaphragms or the gain films such as AR polaroids, LR polaroids, 1/4 λ polaroids.It is shown in Figure 3, this
LED light is integrated on the first flexible base plate by invention, and takes optical diaphragm, and controlled control module projects effective backlight
On liquid crystal display panel.
The present invention is designed using local dimming, can promote scales and fineness of the LCD on HDR subregions, while also can
Enough energy savings, enhance the endurance of battery.The present invention is arranged in pairs or groups using LED on flexible base plate, can be significantly bent, simultaneously
Light guide plate can be saved, will not because of bending and backlight is uneven, shape is more lightening.Using the design method of LED screen of the present invention
The LED display of design can individually control the light on and off and brightness of this area's backlight.Due to using direct-type backlight,
The effect screen that local dimming design reaches high dynamic is can pass through, finer screen-picture is presented, while backlight can also be saved
Electricity consumption.
Further, in the present embodiment, the LED screen designed using the design method of LED screen of the present invention, in concrete application
When, shown in Fig. 8 to Figure 10, first, host driven LED display shows the time 12 on top:00, if backlight at this time
Close All then can't see any information (Fig. 8) on the screen；Secondly, host opens backlight local dimming function, when only opening
Between display area LED light (Fig. 9)；Finally, it is seen that real image (Figure 10).
Further, in the present embodiment, LED screen of the present invention can be the display screen of mobile phone, tablet computer, TV etc., this
Invention constitutes backlight by the way that the identical LED unit parallel connection of multiple areas to be integrally disposed on flexible base plate, keeps each LED mono-
Member is uniformly in series by plurality of LEDs lamp, and each LED unit brightness change is independently controlled by control module, from
And backlight regional area brightness regulation can be easily carried out, energy saving enhances the endurance of battery, and flexible base plate
Setting, can significantly be bent so that screen is conveniently designed to abnormity, for example, rectangle screen as shown in Figure 7 can be designed to
Curtain, can also be designed to concave screen as described in Figure 6.The present invention will use LED collocation on flexible base plate, can first design
Shape and cabling, then carry out abnormity and cut, the various demands of client can be met.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (8)
1. a kind of design method of LED backlight, which is characterized in that including step：
The backlight area of LED screen is divided into the LED unit of the homalographic of several parallel connections according to preset LED screen shape, is made every
A LED unit corresponds to the more series LED lamps being uniformly arranged；And
Each LED unit is integrally disposed on the first flexible base plate, and is determined according to the shape of LED screen and each LED unit
Then cabling cuts the first flexible base plate, obtain LED integration modules.
2. the design method of LED backlight according to claim 1, which is characterized in that the design side of the LED backlight
Method further includes step：
LED integration modules are bound technique by FOF to combine with control module, wherein the control module includes the
Two software substrates, and the local dimming being arranged on second flexible base plate control IC and peripheral circuit.
3. the design method of LED backlight according to claim 1, which is characterized in that the LED light uses full-color RGB
Mixed light lamp bead.
4. the design method of LED backlight according to claim 1, which is characterized in that the LED light uses white light
Pearl.
5. the design method of LED backlight according to claim 1, which is characterized in that the LED light uses blue-ray LED
Collocation fluorescent powder.
6. the design method of LED backlight according to claim 1, which is characterized in that use thickness for 0.15mm~
The LED light of 0.3mm constitutes the LED unit.
7. the design method of LED backlight according to claim 1, which is characterized in that the LED being uniformly arranged using 4
Lamp constitutes the LED unit.
8. a kind of design method of LED screen, which is characterized in that including step：
The backlight area of LED screen is divided into the LED unit of the homalographic of several parallel connections according to preset LED screen shape, is made every
A LED unit corresponds to the more series LED lamps being uniformly arranged；
Each LED unit is integrally disposed on the first flexible base plate, and is determined according to the shape of LED screen and each LED unit
Then cabling cuts the first flexible base plate, obtain LED integration modules；
LED integration modules are bound technique by FOF to combine with control module, wherein the control module includes the
Two software substrates, and the local dimming being arranged on second flexible base plate control IC and peripheral circuit；And
Corresponding optical diaphragm, the first reflecting piece, liquid crystal display panel, are set gradually from bottom to up on the top of LED unit
Two reflecting pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400107.3A CN108535917A (en) | 2018-04-28 | 2018-04-28 | A kind of design method of LED backlight and LED screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400107.3A CN108535917A (en) | 2018-04-28 | 2018-04-28 | A kind of design method of LED backlight and LED screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108535917A true CN108535917A (en) | 2018-09-14 |
Family
ID=63476246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810400107.3A Withdrawn CN108535917A (en) | 2018-04-28 | 2018-04-28 | A kind of design method of LED backlight and LED screen |
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| CN (1) | CN108535917A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308780A (en) * | 2020-03-05 | 2020-06-19 | Tcl华星光电技术有限公司 | MiniLED backlight substrate, cutting method thereof and MiniLED substrate |
| WO2022007073A1 (en) * | 2020-07-10 | 2022-01-13 | 深圳市华星光电半导体显示技术有限公司 | Mini led backlight module and manufacturing method therefor, and display panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100780187B1 (en) * | 2006-04-06 | 2007-11-27 | 삼성전기주식회사 | LCD BACKLIGHT UNIT USING LEDs |
| CN101196650A (en) * | 2006-12-06 | 2008-06-11 | 三星电子株式会社 | Backlight assembly and display device having the same |
| CN102537753A (en) * | 2010-12-09 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Backlight diaphragm as well as manufacturing method and molding equipment thereof |
-
2018
- 2018-04-28 CN CN201810400107.3A patent/CN108535917A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100780187B1 (en) * | 2006-04-06 | 2007-11-27 | 삼성전기주식회사 | LCD BACKLIGHT UNIT USING LEDs |
| CN101196650A (en) * | 2006-12-06 | 2008-06-11 | 三星电子株式会社 | Backlight assembly and display device having the same |
| CN102537753A (en) * | 2010-12-09 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Backlight diaphragm as well as manufacturing method and molding equipment thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308780A (en) * | 2020-03-05 | 2020-06-19 | Tcl华星光电技术有限公司 | MiniLED backlight substrate, cutting method thereof and MiniLED substrate |
| CN111308780B (en) * | 2020-03-05 | 2022-04-01 | Tcl华星光电技术有限公司 | MiniLED backlight substrate, cutting method thereof and MiniLED substrate |
| WO2022007073A1 (en) * | 2020-07-10 | 2022-01-13 | 深圳市华星光电半导体显示技术有限公司 | Mini led backlight module and manufacturing method therefor, and display panel |
| US11921375B2 (en) | 2020-07-10 | 2024-03-05 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Mini-led backlight module, manufacturing method thereof, and display panel |
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Application publication date: 20180914 |