CN107507528A - A kind of ultrathin LED display screen component and preparation method thereof - Google Patents
A kind of ultrathin LED display screen component and preparation method thereof Download PDFInfo
- Publication number
- CN107507528A CN107507528A CN201710835712.9A CN201710835712A CN107507528A CN 107507528 A CN107507528 A CN 107507528A CN 201710835712 A CN201710835712 A CN 201710835712A CN 107507528 A CN107507528 A CN 107507528A
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- display screen
- led display
- screen component
- ultrathin led
- square frame
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The present invention relates to a kind of ultrathin LED display screen component and preparation method thereof, this ultrathin LED display screen component includes：The table body includes：Square frame, touch-screen, multilayer optical film layer, light guide plate and backboard；Wherein, the touch-screen, multilayer optical film layer, light guide plate and backboard are arranged in square frame, and down-set successively from light emission side；The surface relative with light emission side of the light guide plate, there is hierarchic structure, and the hierarchic structure forms a depressed part at the back side of ultrathin LED display screen component, and an inner chamber is formed after being covered by the cover plate；Ultrathin LED display screen component of the present invention and preparation method thereof, is shown using the stepped light guide plate in bottom surface and backboard to realize large scale, and greatly reduces production cost again while large scale display is obtained compared to curved-surface display；Control circuit can be accommodated by the cavity formed between hierarchic structure and cover plate, do not increase the thickness of display screen component on the whole.
Description
Technical field
The invention belongs to display technology field, in particular, is related to a kind of ultrathin LED display screen component of giant-screen.
Background technology
With the development of science and technology promoted the development of ultrathin LED display screen component so that ultrathin LED display screen component by
The favor of people is arrived.At the same time, requirement more and more higher of the people to the screen thickness of ultrathin LED display screen component, not only
Higher definition is required, it is bigger, thinner to be also increasingly inclined to screen.
Therefore, how to make display screen thinner is this area technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of simple structure, inexpensive ultrathin LED display screen component and preparation method thereof.
In order to solve the above-mentioned technical problem, the invention provides a kind of ultrathin LED display screen component, including：Square frame,
Touch-screen, multilayer optical film layer, light guide plate and backboard；
Wherein, the touch-screen, multilayer optical film layer, light guide plate and backboard are arranged in square frame, and from light emission side according to
It is secondary down-set；
The surface relative with light emission side of the light guide plate, there is hierarchic structure, and the hierarchic structure is in ultrathin LED display screen group
The back side of part forms a depressed part, and an inner chamber is formed after being covered by the cover plate.
Further, it is provided with light source module in the square frame and with respect to the side of light guide plate.
Further, the light source module includes the LED light bar positioned at the inner side of square frame；It is provided with the depressed part micro-
Processor module；Wherein
The LED light bar include two sheets of flexible wiring board and be printed on the FPC multigroup electric lead in parallel,
LED chip, two sheets of flexible wiring board are connected by conductive adhesion layer, two sheets of flexible wiring board and electric lead thereon with micro- place
Reason device is connected.
Further, the ladder quantity of the hierarchic structure is 10 ~ 20.
Further, ladder corresponding to the center section of the hierarchic structure is higher, is gradually reduced toward both sides, with described in receiving
The control circuit of ultrathin LED display screen component.
Further, the microprocessor can control multigroup electric lead in parallel on FPC, so that electric lead list
Solely connect, or be also turned on.
Further, the length-width ratio of the square frame is 5：3~8：5；And
The width of the touch-screen of the ultrathin LED display screen component is 6 ~ 10cm, and length is 10 ~ 16cm.
Another aspect, present invention also offers a kind of preparation method of the ultrathin LED display screen component.
Light source module is provided with the square frame and with respect to the side of light guide plate, the light source module includes LED
Lamp bar；
The preparation method of the ultrathin LED display screen component comprises the following steps：
Step S1, the LED light bar is embedded in the frame of square frame；
Step S2, the touch-screen, multilayer optical film layer, light guide plate and backboard may be contained within square frame, and from light extraction
Side is down-set successively；And
Step S3, the control circuit of ultrathin LED display screen component is arranged at the interior intracavitary.
Further, the LED light bar includes two sheets of flexible wiring board；The preparation method of the two sheets of flexible wiring board includes
Following steps：
Step S101, resin matrix and conductive filler dispersion liquid are mixed by setting ratio；
Step S102, curing agent is added in conductive filler dispersion liquid upon mixing；
Step S103, improve add curing agent after conductive filler dispersion liquid viscosity, so that gluing sample is made；
Step S104, gluing sample is coated on lower FPC；
Step S105, by upper FPC according to the mark set, alignd with lower FPC；
Step S106, drying and processing is carried out to above-mentioned two sheets of flexible wiring board and is solidified, to obtain two sheets of flexible wiring board.
Further, the gluing coefficient between the two sheets of flexible wiring board is 450mPa.s ~ 500mPa.s.
The invention has the advantages that ultrathin LED display screen component of the present invention and preparation method thereof, is in rank using bottom surface
The light guide plate and backboard of scalariform show to realize large scale, and compared to curved-surface display while large scale display is obtained again
Greatly reduce production cost；Control circuit can be accommodated by the cavity formed between hierarchic structure and cover plate, on the whole
The thickness of display screen component is not increased；And multigroup electric lead in parallel is used, the corresponding getting type of intelligent selection is bright
It is good to spend regulating effect, and has saved the electric energy that large scale is shown very well；The setting of two sheets of flexible wiring board is favorably improved operation
Speed and improve service life, while its set conductive adhesion layer can preferably eliminate electrostatic, subtracted again complexity and
Expensive anti-static elements, coordinate and run beneficial to the internal part of display screen.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the diagrammatic cross-section of ultrathin LED display screen component of the present invention；
Fig. 2 is the structural representation of square frame of the present invention；
Fig. 3 is multigroup shunt conductance line schematic diagram of FPC of the present invention；
Fig. 4 is the preparation flow figure of ultrathin LED display screen component of the present invention；
Fig. 5 is the preparation flow figure of two sheets of flexible wiring board of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Embodiment 1
As shown in Figure 1 to Figure 3, the present invention provides a kind of ultrathin LED display screen component, including：Square frame 1, touch-screen 2 are more
Layer optical film 3, light guide plate 4 and backboard 5；Touch-screen 2, multilayer optical film layer 3, light guide plate 4 and backboard 5 are arranged at square box
In vivo, it is and down-set successively from light emission side；The surface relative with light emission side of light guide plate 4, there is hierarchic structure, and the ladder
Structure forms a depressed part at the back side of ultrathin LED display screen component, and an inner chamber 6 is formed after being covered by the cover plate.
Light source module is provided with the square frame and with respect to the side of light guide plate；Micro- place is provided with the inner chamber 6
Device module is managed, the light source module includes being provided with LED light bar 10 positioned at the inner side of square frame 1, and LED light bar 10 is soft including two layers
Property wiring board 11 and the multigroup electric lead 12 in parallel being printed on the FPC 11, LED chip, two sheets of flexible circuit
Plate 11 is connected by conductive adhesion layer, and two sheets of flexible wiring board 11 and electric lead thereon are connected with microprocessor.
The ladder quantity of the hierarchic structure can be 10 ~ 20, increase the volume of cavity, be also adapted to bigger, more complicated
Control circuit placed, i.e., the element of control circuit upwardly, makes element be located in cavity.
Ladder corresponding to the center section of the hierarchic structure is higher, is gradually reduced toward both sides.
The hierarchic structure of the light guide plate 4 is preferably corresponding multiple reflector plates covered with reflector plate 7.
The inner side of square frame 1 has groove, to accommodate LED light bar 10.Preferably according to lamp bar, groove is set, it is recessed to cause
Groove just matches with lamp bar.
The microprocessor can control multigroup electric lead in parallel on FPC 11 so that electric lead can be independent
Connect, can also connect together.Multigroup electric lead in parallel on the FPC 11 is corresponding according to brightness demand, selection
Getting type, for example user needed during more high brightness using more multigroup electric lead, it is necessary to use less group during compared with low-light level
Electric lead, gray scale can set multiple.
The setting of two sheets of flexible wiring board 11 be favorably improved operating rate and improve service life, while its set lead
Electric tack coat can preferably eliminate electrostatic, subtract complicated and expensive anti-static elements again.
The length-width ratio of the square frame 1 is 5：3~8：5.In addition, the width of the touch-screen of ultrathin LED display screen component can
Think 6 ~ 10cm, length can be 10 ~ 16cm.
Referring to Fig. 3, there is multigroup electric lead in parallel on the FPC 11, can individually turn on, can also one
Rise and connect, corresponding getting type is selected according to brightness demand.
Be provided with pit and/or projection on the lower surface of the light guide plate 4, the pit and/or projection be using hot pressing,
What injection, printing or etching were formed, the reflection and diffusion that are provided with beneficial to light of pit and/or projection.
Due to using the FPC 11 for including LED, thus can also on FPC 11 each LED
The via of at least one neighbouring heat transmission, heat caused by LED reach square frame 1 through the via on FPC 11 and dissipated
Send out.
Embodiment 2
On the basis of embodiment 1, a kind of preparation method of the ultrathin LED display screen component is present embodiments provided.
Light source module is provided with the square frame and with respect to the side of light guide plate, the light source module includes LED
Lamp bar；
As shown in figure 4, the preparation method of the ultrathin LED display screen component comprises the following steps：
Step S1, the LED light bar is embedded in the frame of square frame；
Step S2, the touch-screen, multilayer optical film layer, light guide plate and backboard may be contained within square frame, and from light extraction
Side is down-set successively；And
Step S3, the control circuit of ultrathin LED display screen component is arranged at the interior intracavitary.
The LED light bar includes two sheets of flexible wiring board, and referring to Fig. 5, the two sheets of flexible wiring board 11 includes upper and lower set
The upper flexible circuitry and lower flexible circuitry put；The two sheets of flexible wiring board 11 can be prepared using following step：
Step S101, resin matrix and conductive filler dispersion liquid are mixed by setting ratio；
Step S102, curing agent is added in conductive filler dispersion liquid upon mixing；
Step S103, additive is added in the conductive filler dispersion liquid after adding curing agent, reach default viscosity to obtain
Gluing sample；
Step S104, gluing sample is coated on lower FPC；
Step S105, by the upper FPC according to the mark set, alignd with the lower FPC；
Step S106, drying and processing is carried out to above-mentioned two sheets of flexible wiring board and is solidified, to obtain two sheets of flexible wiring board.
Preferably, the gluing coefficient between two sheets of flexible wiring board is 450mPa.s ~ 500mPa.s.
The resin matrix includes epoxy resin, epoxy-phenolic resin, silicones, polyurethane, polyacrylic resin, third
At least one of polyethylene dioxythiophene of olefin(e) acid ester copolymer and polystyrene doped sulphonic acid ester；The resin matrix exists
Ratio in the conductive adhesion layer is 20% ~ 30%；The conductive filler is graphene, CNT or nano-silver thread；Institute
It is 40% ~ 45% to state ratio of the conductive filler in the conductive adhesion layer, and the additive can obtain in purchase on the market,
For improving the viscosity of conductive filler dispersion liquid.
Present invention further optimization scheme is：Pit and/or projection are provided with the lower surface of the light guide plate, it is described
Pit and/or projection are formed using hot pressing, injection, printing or etching, are advantageous to the reflection and expansion of the light that light source is sent
Dissipate.
The present invention realizes the large scale of ultrathin LED display screen component using the stepped light guide plate in bottom surface and backboard
It has been shown that, and production cost is greatly reduced again while large scale display is obtained compared to curved-surface display；Using multigroup parallel connection
Electric lead, the corresponding getting type of intelligent selection, brightness regulation effect is good, and has saved the electric energy that large scale is shown very well；
The setting of two sheets of flexible wiring board is favorably improved operating rate and improves service life, while its conductive adhesion layer set can
Preferably to eliminate electrostatic, subtracted again complexity and expensive anti-static elements, beneficial to display screen internal part coordinate and
Operation.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (10)
- A kind of 1. ultrathin LED display screen component, it is characterised in that including：Square frame, touch-screen, multilayer optical film layer, light guide plate and backboard；Wherein, the touch-screen, multilayer optical film layer, light guide plate and backboard are arranged in square frame, and from light emission side according to It is secondary down-set；The surface relative with light emission side of the light guide plate, there is hierarchic structure, and the hierarchic structure is in ultrathin LED display screen group The back side of part forms a depressed part, and an inner chamber is formed after being covered by the cover plate.
- 2. ultrathin LED display screen component as claimed in claim 1, it is characterised in thatLight source module is provided with the square frame and with respect to the side of light guide plate.
- 3. ultrathin LED display screen component as claimed in claim 2, it is characterised in thatThe light source module includes the LED light bar positioned at the inner side of square frame；The interior intracavitary is provided with microprocessor module；WhereinThe LED light bar include two sheets of flexible wiring board and be printed on the FPC multigroup electric lead in parallel, LED chip, two sheets of flexible wiring board are connected by conductive adhesion layer, two sheets of flexible wiring board and electric lead thereon with micro- place Reason device is connected.
- 4. ultrathin LED display screen component as claimed in claim 2, it is characterised in thatThe ladder quantity of the hierarchic structure is 10 ~ 20.
- 5. ultrathin LED display screen component as claimed in claim 2, it is characterised in thatLadder corresponding to the center section of the hierarchic structure is higher, gradually reduces toward both sides, is shown with accommodating the ultra-thin LED The control circuit of screen assembly.
- 6. ultrathin LED display screen component as claimed in claim 2, it is characterised in thatThe microprocessor can control multigroup electric lead in parallel on FPC, so that electric lead individually turns on, or together When connect.
- 7. the ultrathin LED display screen component as described in claim any one of 1-6, it is characterised in thatThe length-width ratio of the square frame is 5：3~8：5；AndThe width of the touch-screen of the ultrathin LED display screen component is 6 ~ 10cm, and length is 10 ~ 16cm.
- A kind of 8. preparation method of ultrathin LED display screen component as claimed in claim 1, it is characterised in thatLight source module is provided with the square frame and with respect to the side of light guide plate, the light source module includes LED light bar；The preparation method of the ultrathin LED display screen component comprises the following steps：Step S1, the LED light bar is embedded in the frame of square frame；Step S2, the touch-screen, multilayer optical film layer, light guide plate and backboard may be contained within square frame, and from light extraction Side is down-set successively；AndStep S3, the control circuit of ultrathin LED display screen component is arranged at the interior intracavitary.
- 9. the preparation method of ultrathin LED display screen component as claimed in claim 8, it is characterised in thatThe LED light bar includes two sheets of flexible wiring board；The preparation method of the two sheets of flexible wiring board comprises the following steps：Step S101, resin matrix and conductive filler dispersion liquid are mixed by setting ratio；Step S102, curing agent is added in conductive filler dispersion liquid upon mixing；Step S103, improve add curing agent after conductive filler dispersion liquid viscosity, so that gluing sample is made；Step S104, gluing sample is coated on lower FPC；Step S105, by upper FPC according to the mark set, alignd with lower FPC；Step S106, drying and processing is carried out to above-mentioned two sheets of flexible wiring board and is solidified, to obtain two sheets of flexible wiring board.
- 10. the preparation method of ultrathin LED display screen component as claimed in claim 9, it is characterised in thatGluing coefficient between the two sheets of flexible wiring board is 450mPa.s ~ 500mPa.s.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710835712.9A CN107507528A (en) | 2017-09-16 | 2017-09-16 | A kind of ultrathin LED display screen component and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710835712.9A CN107507528A (en) | 2017-09-16 | 2017-09-16 | A kind of ultrathin LED display screen component and preparation method thereof |
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| CN107507528A true CN107507528A (en) | 2017-12-22 |
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| CN201710835712.9A Pending CN107507528A (en) | 2017-09-16 | 2017-09-16 | A kind of ultrathin LED display screen component and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429838A (en) * | 2018-06-06 | 2018-08-21 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
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| CN101676769A (en) * | 2008-09-18 | 2010-03-24 | 株式会社日立制作所 | Liquid crystal display unit |
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| CN108429838A (en) * | 2018-06-06 | 2018-08-21 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
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Application publication date: 20171222 |
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