CN110189626A - Display screen component and electronic equipment - Google Patents
Display screen component and electronic equipment Download PDFInfo
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- CN110189626A CN110189626A CN201910448582.2A CN201910448582A CN110189626A CN 110189626 A CN110189626 A CN 110189626A CN 201910448582 A CN201910448582 A CN 201910448582A CN 110189626 A CN110189626 A CN 110189626A
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- display screen
- electrical connection
- plate
- thin
- screen component
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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
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
Abstract
A kind of display screen component provided by the present application, it include: flexible circuit board, including the first electrical connection section and the second electrical connection section, first electrical connection section has the first face and the second face being disposed opposite to each other, first face is equipped with lead portion, and the lead portion with the bonding part on thin-film transistor array base-plate for being electrically connected；And luminescence unit, the luminescence unit is set to the second face of first electrical connection section, so that first electrical connection section transmits the driving signal of the thin-film transistor array base-plate and the driving signal of the luminescence unit.Present invention also provides a kind of electronic equipment.The application makes the functional module group of display screen and flexible circuit board more reasonable, improves the compactedness of structure in electronic equipment.
Description
Technical field
This application involves electronic technology fields, and in particular to a kind of display screen component and electronic equipment.
Background technique
There are multiple functional module groups in the electronic equipments such as mobile phone, in display screen and connect the flexible circuit of these functional module groups
Plate, these functional module groups and flexible circuit board Position Design and electrical connection design it is unreasonable, may result in occupy it is aobvious
The space that display screen occupies is excessive, and the area for being unfavorable for the miniaturization of electronic equipment or the non-display area of display screen is excessive, is unfavorable for
Increase the screen accounting of electronic equipment.Therefore, how to make the functional module group of display screen and the position of flexible circuit board and electrical connection
Relationship is more reasonable, improves the compactedness of structure in electronic equipment, becomes the technical issues that need to address.
Summary of the invention
A kind of display screen component and electronic equipment provided by the present application, so that the functional module group and flexible circuit board of display screen
More rationally, the compactedness of structure in electronic equipment is improved.
On the one hand, a kind of display screen component provided by the present application, comprising: flexible circuit board, including the first electrical connection section and
Second electrical connection section, first electrical connection section have the first face and the second face being disposed opposite to each other, and first face is equipped with pin
Portion, the lead portion with the bonding part on thin-film transistor array base-plate for being electrically connected；And luminescence unit described in luminescence unit
Set on the second face of first electrical connection section, so that first electrical connection section transmits the thin-film transistor array base-plate
The driving signal of driving signal and the luminescence unit.
On the other hand, a kind of electronic equipment provided by the present application, the electronic equipment include the display screen component.
By the way that luminescence unit is arranged on the flexible circuit board for be electrically connected to thin-film transistor array base-plate, the luminescence unit
Backlight can be provided for display screen component, so that the backlight circuit and display driver circuit of display screen component pass through the same flexibility
Circuit board electrical connection is individually set to main circuit board compared to by the flexible circuit board of luminescence unit and thin-film transistor array base-plate
It sets, and the flexible circuit board of luminescence unit is soldered to the flexible circuit board of thin-film transistor array base-plate, can effectively prevent
Only there is the problem of rosin joint in the flexible circuit board of luminescence unit and the flexible circuit board of thin-film transistor array base-plate, also to send out
The flexible circuit board of light unit avoids the flexible circuit board of luminescence unit from leading to the risk of frangibility because of bending without bending,
The yield for improving electronic equipment reduces the quantity of flexible circuit board and in electronics in addition, realizing the multiplexing of flexible circuit board
It improves electronics so that the luminescence unit of display screen component and flexible circuit board arrangement are more reasonable and sets in the space occupied in equipment
The compactedness of standby interior structure.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of display device provided by the embodiments of the present application.
Fig. 2 is a kind of structural schematic diagram of display screen component provided by the embodiments of the present application.
Fig. 3 is a kind of sectional view of display screen component along A-A of Fig. 2 offer.
Fig. 4 is a kind of partial enlarged view for display screen component that Fig. 3 is provided.
Fig. 5 is the structural representation of flexible circuit board and luminescence unit in a kind of display screen component provided by the embodiments of the present application
Figure.
Fig. 6 is a kind of structural schematic diagram at a visual angle of flexible circuit board provided by the embodiments of the present application.
Fig. 7 is a kind of structural schematic diagram at another visual angle of flexible circuit board provided by the embodiments of the present application.
Fig. 8 is sectional view of another display screen component along A-A of Fig. 2 offer.
Fig. 9 is a kind of top view of thin-film transistor array base-plate provided by the embodiments of the present application.
Figure 10 is a kind of structural schematic diagram of stickers provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.This Shen
It appropriate can be combined with each other between embodiment that please be cited.
Generally, in display screen component, euphotic cover plate, color membrane substrates, liquid crystal layer, thin-film transistor array base-plate and backlight
Mould group is cascading.Wherein, thin-film transistor array base-plate is equipped with display driver circuit towards color membrane substrates, and film is brilliant
Body pipe array substrate is electrically connected to main circuit board by the first flexible circuit board, to realize that display driver circuit is electrically connected to main electricity
Road plate；And the luminescence unit in backlight module is electrically connected to main circuit board by the second flexible circuit board, so that on main circuit board
Chip controls luminescence unit work, provide backlight illumination for display screen component.
Second flexible circuit board can be by being soldered on the first flexible circuit board, then passes through the first flexible circuit board and master
Circuit board electrical connection, to realize that luminescence unit and thin-film transistor array base-plate are electrically connected to main circuit board.Wherein, due to first
Flexible circuit board, thin-film transistor array base-plate, the second flexible circuit board and luminescence unit electronic equipment thickness direction according to
It is secondary to be stacked, so the second flexible circuit board needs to be soldered on the first flexible circuit board after bending, so second
Flexible circuit board is bending state, and the bending part of the second flexible circuit board is easily broken after prolonged bending, thus
Influence the yield of electronic equipment；Due to being equipped with down polaroid between light guide plate and thin-film transistor array base-plate, in order to enable hair
Light unit is right against the side of light guide plate, thus between thin-film transistor array base-plate and the second flexible circuit board there is
Away from, thus need to need to be arranged between thin-film transistor array base-plate and the second flexible circuit board foam or resin sheet (for example,
The filled layers such as PET), however will increase the assembling procedure and cost of display screen component in this way, it is unfavorable for producing display screen group in batches
Part.
Fig. 1 is please referred to, Fig. 1 is the first visual angle schematic diagram of electronic equipment 100.The electronic equipment 100 can for phone,
TV, tablet computer, mobile phone, camera, personal computer, laptop, mobile unit, wearable device etc. have display
The smart machine of screen.By taking electronic equipment 100 is mobile phone as an example, for ease of description, being in the first visual angle with electronic equipment 100 is
Referring to being defined, the width direction of electronic equipment 100 is defined as X to the length direction of electronic equipment 100 is defined as Y-direction, electricity
The thickness direction of sub- equipment 100 is defined as Z-direction.
Please refer to figs. 2 and 3 together, and the electronic equipment 100 includes display screen component 10.
Also referring to Fig. 3 to Fig. 5, display screen component 10 includes flexible circuit board 1 and luminescence unit 2.Flexible circuit board 1
Including the first electrical connection section 11 and the second electrical connection section 12 being oppositely arranged.First electrical connection section 11, which has, to be disposed opposite to each other
First face 111 and the second face 112.First face 111 of first electrical connection section 11 is equipped with lead portion 113.The lead portion 113
For being electrically connected with the bonding part 31 on thin-film transistor array base-plate 3.Second electrical connection section 12 is for being electrically connected to master
Circuit board 20.Luminescence unit 2 is set to the second face 112 of first electrical connection section 11.The luminescence unit 2 is used to provide the described
The backlight of display screen component 10.First electrical connection section 11 is used for transmission the driving letter of the thin-film transistor array base-plate 3
Number and the luminescence unit 2 driving signal.
Specifically, the opposite two sides of the first electrical connection section 11 is respectively equipped with 113 He of lead portion also referring to Fig. 3 to Fig. 5
Luminescence unit 2.Wherein, the lead portion 113 is the golden finger of flexible circuit board 1 and the dew copper portion of flexible circuit board 1.Draw
Foot 113 with the bonding part 31 on thin-film transistor array base-plate 3 for being electrically connected, so that on thin-film transistor array base-plate 3
Display driver circuit be electrically connected to main circuit board 20 through flexible circuit board 1, with the chip on main circuit board 20 be display driving
Circuit provides display drive signals.The luminescence unit 2 is LED light bar or LED light strip or plurality of LEDs lamp bead or more mini
LED lamp bead or more micro LED lamp beads.The luminescence unit 2 is welded in the dew copper portion on the first electrical connection section 11, so that hair
Light unit 2 is electrically connected to main circuit board 20 by flexible circuit board 1, provides by luminescence unit 2 of the chip on main circuit board 20
Shine driving signal.It should be understood that being equipped with the signal wire for being used for transmission display drive signals in flexible circuit board 1, it is additionally provided with
It is used for transmission the signal wire of luminous driving signal.The luminescence unit 2 is used for the one side or the multi-lateral set on light guide plate 4 and is right against
The side 41 of light guide plate 4, to emit light towards the side of light guide plate 4 41, the light passes through multiple reflections in light guide plate 4
It is projected afterwards from light guide plate 4, the backlight illumination of display screen component 10 is provided.
By the way that luminescence unit 2 is arranged on the flexible circuit board 1 for be electrically connected to thin-film transistor array base-plate 3, this shines
Unit 2 is that display screen component 10 provides backlight, so that the backlight circuit and display driver circuit of display screen component 10 are by same
A flexible circuit board 1 is electrically connected to main circuit board 20, compared to by the flexible circuit board of luminescence unit 2 and thin film transistor (TFT) battle array
The flexible circuit board of column substrate 3 is separately provided, and the flexible circuit board by luminescence unit 2 is needed to be soldered to thin film transistor (TFT) array base
The flexible circuit board of plate 3 can be effectively prevented the soft of the flexible circuit board of luminescence unit 2 and thin-film transistor array base-plate 3
Property circuit board there is the problem of rosin joint, also make the flexible circuit board 1 of luminescence unit 2 avoid the soft of luminescence unit 2 without bending
Property circuit board 1 leads to the risk of frangibility because of bending, the yield of electronic equipment is improved, moreover, realizing flexible circuit board 1
Multiplexing, the space for reducing the quantity of flexible circuit board 1 and being occupied in electronic equipment, so that the luminous list of display screen component 10
Member 2 and the arrangement of flexible circuit board 1 are more reasonable, improve the compactedness of structure in electronic equipment.
In one embodiment, also referring to Fig. 5 to Fig. 7, the quantity of the luminescence unit 2 is multiple.Specifically, shining
Unit 2 is LED lamp bead.The multiple luminescence unit 2 is arranged on second face 112 and close at intervals along first direction
In the edge of the flexible circuit board 1.In one embodiment, the first direction is X-direction.In other embodiments
In, first direction is Y direction.The lead portion 113 extends along the first direction and is set to the multiple luminescence unit 2
Close to the side of second electrical connection section 12.Orthographic projection of the multiple luminescence unit 2 on the flexible circuit board 1 with
Region where the lead portion 113 is staggered, so that the multiple luminescence unit 2 is located at the heat affecting of the lead portion 113
Except area.
Pass through the region where orthographic projection and the lead portion 113 of the setting luminescence unit 2 on the flexible circuit board 1
It is staggered, on the one hand, when the bonding part 31 of lead portion 113 and thin-film transistor array base-plate 3 carries out pressure welding connection, flexible circuit
The region of 1 second face of plate, 112 face lead portion 113 is to apply stressed region, luminescence unit 2 is avoided this region, convenient for drawing
Foot 113 and bonding part 31 carry out pressure welding；On the other hand, the bonding part 31 of lead portion 113 and thin-film transistor array base-plate 3 exists
It needing to heat during pressure welding, the region of 1 second face of flexible circuit board, 112 face lead portion 113 becomes the heat affected area of pressure welding,
Luminescence unit 2 has been set on flexible circuit board 1 at this time, so luminescence unit 2 is being avoided 1 second face 112 of flexible circuit board just
To the region of lead portion 113, to avoid the thermally influenced area of luminescence unit 2 heat affecting and damage, improve display screen component 10
Yield.
While avoiding above-mentioned problem, multiple luminescence units 2 are arranged as close to the lead portion 113,
For example, region where orthographic projection of the multiple luminescence unit 2 on the flexible circuit board 1 and the lead portion 113 it
Between be spaced 0.14mm so that the luminescence unit 2 on flexible circuit board 1 and space occupied by lead portion 113 are as small as possible, improve
The structural compactness of flexible circuit board 1, while the position for the bonding part 31 being also possible that on thin-film transistor array base-plate 3 connects
Closely with the position of light guide plate 4, and then improve display screen component 10 structural compactness, reduce display screen component 10 non-display area
The size of 1b, (the viewing area 1a area of display screen component 10 occupies display screen entire surface to the screen accounting of raising display screen component 10
Long-pending ratio).
It should be understood that the particular number and length of the multiple luminescence unit 2 can be arranged according to actual requirement, example
Such as, the length of the multiple luminescence unit 2 should be slightly larger than the length of 4 side of light guide plate, so that the entire side of light guide plate 4 can
Receive the light of the transmitting of luminescence unit 2.
In one embodiment, Fig. 3 and Fig. 4 is please referred to, the display screen component 10 further includes thin-film transistor array base-plate 3
And light guide plate 4.The thin-film transistor array base-plate 3 has the loading end 30 for thin film transistor (TFT) to be arranged.The bonding part
31 are set on the loading end 30.First face 111 of first electrical connection section 11 is towards the loading end 30, and bonding part 31
Connect the lead portion 113.The light-emitting surface 42 of the light guide plate 4 and the loading end 30 are opposite.The luminescence unit 2 it is close and
It is opposite with the side 41 of the light guide plate 4, to emit light towards the side 41 of the light guide plate 4, so that the light is through institute
The light-emitting surface and the thin-film transistor array base-plate 3 for stating light guide plate 4 project the display screen component 10.
Generally, the loading end 30 of thin-film transistor array base-plate 3 is backwards to the light guide plate 4.However, the present embodiment will be thin
The loading end 30 of film transistor array substrate 3 is arranged towards light guide plate 4, i.e., thin-film transistor array base-plate 3 is inversely installed, with
Convenient for bonding part 31 towards 4 place side of light guide plate, so be electrically connected to the flexible circuit board 1 of bonding part 31 be electrically connected to it is luminous
The flexible circuit board 1 of unit 2 can be set to the same side of thin-film transistor array base-plate 3, and promotion will be electrically connected to bonding part 31
Flexible circuit board 1 it is integrated with the flexible circuit board 1 of luminescence unit 2 is electrically connected to, realize 3 He of thin-film transistor array base-plate
Luminescence unit 2 is electrically connected to main circuit board 20 by the same flexible circuit board 1.
In one embodiment, Fig. 3 and Fig. 4 is please referred to, 31 pressure welding of bonding part is connected to the lead portion 113.At other
In embodiment, bonding part 31 is electrically connected with lead portion 113 by modes such as electric connection line, electric connector, conducting resinls.
Since the first face 111 of flexible circuit board 1 is connect with thin-film transistor array base-plate 3, thus flexible circuit board 1 with
No setting is required between thin-film transistor array base-plate 3 foam or plastic sheet.It can be made by the way that the thickness of flexible circuit board 1 is arranged
Obtain the side 41 that luminescence unit 2 is right against light guide plate 4.
Specifically, please referring to Fig. 3 and Fig. 4, light guide plate 4 has the top and bottom being oppositely arranged, and is connected to the top
Side 41 between face and the bottom surface.Specifically, the side 41 is multiple.When light guide plate 4 is in rectangular slab, the side
Face 41 is four.In the present embodiment, 2 face of luminescence unit, one side 41, which extends along an axis X.In other realities
It applies in mode, luminescence unit 2 can be with the side 41 that face extends along the y axis, alternatively, luminescence unit 2 can be with the multiple sides of face
Face 41.Above specific facilities can be adjusted according to actual needs, the application and without limitation.Wherein, top surface is
The bottom surface of light-emitting surface 42, the light guide plate 4 is equipped with reflective array structure, by the multiple reflections of light in light guide plate 4, so as to lead
The entire light-emitting surface 42 of tabula rasa 4 issues uniform light.Between luminescence unit 2 and the side 41 of its face be equipped with it is preset between
Away from so as to improve the light utilization of luminescence unit 2 in the light of luminescence unit 2 injection light guide plate 4 as much as possible.
Specifically, please referring to Fig. 3 and Fig. 4, first electrical connection section 11 is laminated with the thin-film transistor array base-plate 3
Setting, the second electrical connection section 12 stretch out the thin-film transistor array base-plate 3.It is remote that the light guide plate 4 is set to the luminescence unit 2
Side from the lead portion 113.It should be understood that the light guide plate 4 on the thin-film transistor array base-plate 3 just
Projection is located in the thin-film transistor array base-plate 3.The light guide plate 4 and first electrical connection section 11 are in display screen component
It partly overlaps (i.e. in Z-direction) on 10 thickness direction, is electrically connected so that a part of the light guide plate 4 can connect in first
Socket part 11, and then positioning is carried out to light guide plate 4 and light guide plate 4 is fixed on thin-film transistor array base-plate 3.
In one embodiment, Fig. 3 and Fig. 4 is please referred to, the display screen component 10 further includes color membrane substrates 51 and liquid crystal layer
52.The color membrane substrates 51 are set between the thin-film transistor array base-plate 3 and the light guide plate 4.52 envelope of liquid crystal layer
Loaded between the color membrane substrates 51 and thin-film transistor array base-plate 3.The light is successively through the light guide plate 4, the coloured silk
Ilm substrate 51, the liquid crystal layer 52 and the thin-film transistor array base-plate 3 project display screen component 10, so that display screen component
Color image is presented in 10 viewing area 1a.
In one embodiment, please refer to Fig. 3 and Fig. 4, light guide plate 4 light-emitting surface 42 close to the side of the luminescence unit 2
Edge region projection protrusion 43, luminescence unit 2 described in 43 face of protrusion, and the side on a surface of the protrusion 43 and light guide plate 4
41 is coplanar, so the fringe region setting protrusion 43 by the light-emitting surface 42 in light guide plate 4 close to the luminescence unit 2 to lead
The height of the side 41 of tabula rasa 4 increases, so that luminescence unit 2 can be right against the side 41 of light guide plate 4, by luminous list
The light of 2 transmitting of member is incident to as much as possible in light guide plate 4, improves the light utilization of luminescence unit 2.
In another embodiment, referring to Fig. 8, the light-emitting surface 42 of the light guide plate 4 and thin-film transistor array base-plate 3
There is the first spacing, by increasing the thickness of the flexible circuit board 1, so that luminescence unit 2 is right against and leads between loading end 30
The side 41 of tabula rasa 4.
In one embodiment, referring to Fig. 9, the loading end 30 of the thin-film transistor array base-plate 3 has first area
301 and surround the second area 302 of the first area 301.The color membrane substrates 51 are in the thin-film transistor array base-plate 3
On orthographic projection form the first area 301.The bonding part 31 is set to the second area 302.First electrical connection
Orthographic projection of the portion 11 on the thin-film transistor array base-plate 3 is located at the second area 302 and the covering bonding part 31.
Second electrical connection section 12 stretches out the thin-film transistor array base-plate 3.
Specifically, referring to Fig. 9, the first area 301 of thin-film transistor array base-plate 3 is equipped with multirow data line 303, more
Column scan line 304 and multiple thin film transistor (TFT)s 305.Multirow data line 303 is separately arranged, and multiple row scan line 304 is separately set
It sets, data line 303 insulate with 304 phase of scan line.Two adjacent row data lines 303 and two adjacent column scan lines 304 surround shape
At region be a pixel region 306.Multirow data line 303 and multiple row scan line 304 form multiple pixels being arranged in array
Area 306.Thin film transistor (TFT) 305 is equipped in each pixel region 306, thin film transistor (TFT) 305 connects data line 303 and scan line 304,
And the on or off under the control for the signal that data line 303 and scan line 304 are transmitted of thin film transistor (TFT) 305.And film is brilliant
The liquid crystal that the on-off of body pipe 305 can be used for adjusting display screen component 10 turns to, and then drives the display figure of display screen component 10
Picture.In other words, the first area 301 forms the viewing area 1a.
In one embodiment, also referring to Fig. 3 and Fig. 9, display chip 307 is additionally provided on the second area 302.Institute
Display chip 307 is stated to be set between first electrical connection section 11 and the color membrane substrates 51.
Specifically, the display chip 307 is electrically connected on thin-film transistor array base-plate 3 also referring to Fig. 3 and Fig. 9
Data line 303, scan line 304 and bonding part 31.Display chip 307 is for driving thin film transistor (TFT) 305 to work.Perpendicular to
On the direction of display screen component 10, gap 308 is formed between the thin-film transistor array base-plate 3 and the light guide plate 4, in Y
On axis extending direction, the gap 308 is set between the first electrical connection section 11 and color membrane substrates 51.The display chip 307
In in the gap 308, to effectively utilize the gap 308 of display screen component 10, the structural compactness of display screen component 10 is improved.
In one embodiment, Fig. 3 and Fig. 4 is please referred to, the display screen component 10 further includes optical film assembly 6.The light
Learning membrane module 6 includes multiple optical films being stacked.Multiple optical films are set to the color membrane substrates 51 and the leaded light
Between plate 4.Multiple optical films for being diffused to the light, even light and blast.
Specifically, referring to Fig. 3, the optical film assembly 6 includes be cascading diffusion barrier 61, even smooth film 62, increasing
Bright film 63 etc..Sequence between these film layers is it is not limited here.The optical film assembly 6 is for spreading, even light, blast are guide-lighting
The light that plate 4 projects.
In one embodiment, also referring to Fig. 3 and Figure 10, the display screen component 10 further includes stickers 7.It is described
Stickers 7 have the first aperture 71 and surround the first paste section 72 of first aperture 71.First aperture, the 71 face institute
State optical film assembly 6.First aperture 71 is used for through the light projected from the light guide plate 4, to provide the display screen
The viewing area 1a brightness of component 10.First paste section 72 is pasted on any one layer of optical film of the optical film assembly 6
Side, and the side of any one layer of optical film from the optical film assembly 6 are stretched out, and affix to first electrical connection section 11
And the thin-film transistor array base-plate 3.
In one embodiment, the optical film assembly 6 includes be cascading diffusion barrier 61, even smooth film 62, blast
Film 63.Wherein, diffusion barrier 61 is close to light guide plate 4, and brightness enhancement film 63 is close to the color membrane substrates 51.The stickers 7, which are set to, to be increased
Between bright film 63 and even smooth film 62, the first paste section 72 is located at stickers 7 towards on the surface of brightness enhancement film 63, by brightness enhancement film
63 are pasted on thin-film transistor array base-plate 3.And diffusion barrier 61, even smooth film 62 can be fixed under the support force of light guide plate 4.
In other embodiments, the stickers 7 are set between diffusion barrier 61 and light guide plate 4, the first paste section 72
In stickers 7 towards on the surface of diffusion barrier 61, diffusion barrier 61, even smooth film 62, brightness enhancement film 63 are pasted on thin film transistor (TFT)
Array substrate 3.
By the way that stickers 7 are arranged, any one layer of optical film of optical film assembly 6 is pasted on thin film transistor (TFT) array base
On plate 3, and then realize that at least one film layer is fixed on thin-film transistor array base-plate 3 in optical film assembly 6.
In one embodiment, also referring to Fig. 3 and Figure 10, the stickers 7 have the second aperture 73 and including described
Second paste section 74 of the second aperture 73.Second paste section 74 connects first paste section 72.The luminescence unit 2 passes through
Wear second aperture 73.Second paste section 74 is pasted on second face 112.
By stickers 7 by any one layer of optical film of the optical film assembly 6 be pasted on the first electrical connection section 11 with it is thin
In film transistor array substrate 3, any one layer of optical film of optical film assembly 6 is pasted on thin film transistor (TFT) strongerly
In array substrate 3.
In one embodiment, the material of the stickers 7 is shading material, and the stickers 7 are glued by optical film assembly 6
While being affixed on thin-film transistor array base-plate 3, the light that luminescence unit 2 can also be guided to emit is projected from the first aperture 71,
To provide backlight in viewing area 1a, so can prevent light from leaking out from other regions, cause the backlight of viewing area 1a uneven
Or region of the display screen component 10 other than the 1a of viewing area is caused to have light leakage.
In one embodiment, Fig. 3 and Fig. 4 is please referred to, the display screen component 10 further includes double-sided adhesive 81.The double-sided adhesive
81 are pasted between the stickers 7 and the light guide plate 4.Specifically, one end of light guide plate 4 and the first electrical connection section 11 are in Z
It is at least partly overlapped in axis direction, double-sided adhesive 81 can be pasted between stickers 7 and light guide plate 4, and light guide plate 4 is pasted on
On first electrical connection section 11, to position the light guide plate 4 and improve the connection jail of light guide plate 4 and thin-film transistor array base-plate 3
Solidity.
In one embodiment, Fig. 3 and Fig. 4 is please referred to, the display screen component 10 further includes support plate 82 and glue frame 83.Institute
It states support plate 82 and deviates from set on the light guide plate 4 away from the side of the thin-film transistor array base-plate 3 and the luminescence unit 2
The side of first electrical connection section 11.A part of the glue frame 83 is connected to first electrical connection section 11 and the support
Between plate 82.Another part of the glue frame 83 stretches out first electrical connection section 11 and to connect the flexible circuit board 1 upper
Part between first electrical connection section 11 and second electrical connection section 12.
Specifically, the material of the support plate 82 is rigid.The support plate 82 and the thin film transistor (TFT) array
Substrate 3 is oppositely arranged.Support plate 82 is supported in the light guide plate 4, and the edge of support plate 82 passes through glue frame 83 and thin film transistor (TFT)
Array substrate 3, flexible circuit board 1 connect, so that light guide plate 4 and optical film assembly 6 fit closely together.Wherein, glue frame 83
It is surrounded on the side of light guide plate 4, luminescence unit 2.
Fig. 3 and Fig. 4 is please referred to, when glue frame 83 connects flexible circuit board 1 and support plate 82, a part of the glue frame 83
The stickers 7 on the first electrical connection section 11 are connected by double-sided adhesive 81, and support plate 82 is connected to by double-sided adhesive 81；Glue frame
83 another part stretches out support plate 82, so as to be located at described first on another part of glue frame 83 and the flexible circuit board 1
Part between electrical connection section 11 and second electrical connection section 12 is oppositely arranged, and another part of glue frame 83 passes through double-sided adhesive
81 are connected to the portion on the flexible circuit board 1 between first electrical connection section 11 and second electrical connection section 12
Point.By the way that glue frame 83 is arranged, glue frame 83 is sealed between thin-film transistor array base-plate 3 and support plate 82, and is surrounded on leaded light
The side of plate 4 and luminescence unit 2, to realize that the various components of display screen component 10 seal.
In one embodiment, referring to Fig. 3, the thin-film transistor array base-plate 3 deviates from the table of the loading end 30
Upper polaroid 84 is additionally provided on face, the color membrane substrates 51 are additionally provided with lower polarisation away from the side of thin-film transistor array base-plate 3
Piece (not shown).
In one embodiment, referring to Figure 6 together and Fig. 7, the flexible circuit board 1 further include being connected to described in turn
First segment 13, second segment 14 and third section 15 between one electrical connection section 11 and second electrical connection section 12.The first segment
13 connection first electrical connection sections 11.On the extending direction (in X-direction) of the lead portion 113, the first segment 13
Size be less than first electrical connection section 11 size and be greater than the lead portion 113 size, the ruler of the second segment 14
The very little size greater than the first segment 13 and the size less than first electrical connection section 11, the size of the third section 15 are less than
The size of the lead portion 113.
Specifically, multiple luminescence units 2 are uniformly arranged on first electrical connection section 11, the length of the first electrical connection section 11
The same length of degree and a side of light guide plate 4.The length of the first segment 13 is slightly larger than the length of lead portion 113,
So that first segment 13 meets size needed for setting is electrically connected to the signal wire of lead portion 113, and first segment 13 is relative to first
Electrical connection section 11 is narrower, in order to the bending of first segment 13, improves the bendable folding endurance of flexible circuit board 1.The ruler of the second segment 14
The very little size greater than first segment 13, in order to which second segment 14 to be pasted on to the back side of display screen component 10, specifically, by second segment
14 are pasted on support plate 82 on the side of the light guide plate 4, and the length of second segment 14 is bigger, and the area of stickup is bigger, because
This to flexible circuit board 1 to move towards restraining force bigger, convenient for flexible circuit board 1 is fixed in support plate 82.Pass through setting the
Three section 15 of size is smaller, so that third section 15 is extend to main circuit board 20 and be electrically connected with main circuit board 20 during
Bendable folding endurance is strong, and the space occupied is small.
Present invention also provides a kind of preparation process of display screen component 10, preparation includes multiple thin film transistor (TFT) array bases
Plate 3 and multiple color membrane substrates 51 are to the master slice formed after box, such as each master slice includes 4 thin-film transistor array base-plates 3 and 4
A color membrane substrates 51；Monomer is formed by the first cutting and the second cutting, wherein for example will be by the one of 4 monomer compositions piece of mother
Piece by being cut by the master slice of 2 pieces of monomer compositions for the first time；It is cut into list for the second time by being passed through by the master slice of 2 pieces of monomer compositions
Body.Wherein, monomer includes a thin-film transistor array base-plate 3 and the color film base that is stacked on thin-film transistor array base-plate 3
Plate 51；Pass through cutting for computer digital control machine tool (Com puterized Numerical Control, CNC) polishing monomer
Face, so that the side smoothness of monomer is high；Upper polaroid is attached to thin-film transistor array base-plate 3 away from color membrane substrates 51
Side, by down polaroid be attached to color membrane substrates 51 deviate from thin-film transistor array base-plate 3 side；In flexible circuit board 1
The first face 111 be arranged lead portion 113, flexible circuit board 1 the second face 112 be arranged luminescence unit 2；Lead portion 113 is pressed
The bonding part 31 being welded on thin-film transistor array base-plate 3；Deviate from the side of thin-film transistor array base-plate 3 in color membrane substrates 51
Optical film assembly 6 is set；By stickers 7 be attached at any side of optical film assembly 6 side and the first electrical connection section 11,
On thin-film transistor array base-plate 3；Light guide plate 4 is installed, one end of light guide plate 4 is pasted on the first electrical connection by double-sided adhesive 81
Portion 11；Glue frame 83 is installed, the glue frame 83 surrounds the luminescence unit 2 and light guide plate 4, and is pasted on by double-sided adhesive 81 soft
On property circuit board 1 and thin-film transistor array base-plate 3；Support plate 82 is installed away from the side of color membrane substrates 51 in light guide plate 4,
The support plate 82 is pasted on glue frame 83 by double-sided adhesive 81；Lighting inspection is carried out to luminescence unit 2, to judge luminescence unit 2
Whether shine normal；Visual examination is carried out to display screen component 10.
With traditional 10 technics comparing of display screen component, this technique eliminates the provided for being electrically connected luminescence unit 2
Second flexible circuit board is soldered to flexible circuit board 1 by two flexible circuit boards, this manufacturing process greatly simplifies display screen group
The manufacturing process of part 10 improves the production efficiency of display screen component 10.
The above is some embodiments of the application, it is noted that for those skilled in the art
For, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also considered as
The protection scope of the application.
Claims (14)
1. a kind of display screen component characterized by comprising
Flexible circuit board, including the first electrical connection section and the second electrical connection section, first electrical connection section, which has, to be disposed opposite to each other
First face and the second face, first face are equipped with lead portion, and the lead portion is used for and the key on thin-film transistor array base-plate
The electrical connection of conjunction portion；And
Luminescence unit, the luminescence unit are set to the second face of first electrical connection section, so that first electrical connection section passes
The driving signal of the defeated thin-film transistor array base-plate and the driving signal of the luminescence unit.
2. display screen component as described in claim 1, is characterized in that, the display screen component further includes thin film transistor (TFT) array
Substrate and light guide plate, the thin-film transistor array base-plate have the loading end for thin film transistor (TFT) to be arranged, the bonding part
On the loading end, the first of first electrical connection section is facing towards the loading end；The light-emitting surface of the light guide plate with
The loading end is opposite, and the luminescence unit is opposite with the side of the light guide plate, with towards the side-emitted of the light guide plate
Light, so that light-emitting surface and the thin-film transistor array base-plate of the light through the light guide plate project the display screen group
Part.
3. display screen component as claimed in claim 2, is characterized in that, the display screen component further includes color membrane substrates and liquid crystal
Layer, the color membrane substrates are set between the thin-film transistor array base-plate and the light guide plate, and the liquid crystal layer is packaged in institute
It states between color membrane substrates and thin-film transistor array base-plate, the light is through the light guide plate, the color membrane substrates, the liquid crystal
Layer and the thin-film transistor array base-plate project.
4. display screen component as claimed in claim 3, is characterized in that, the loading end of the thin-film transistor array base-plate has
First area and the second area for surrounding the first area, the color membrane substrates are on the thin-film transistor array base-plate
Orthographic projection forms the first area, and the bonding part is set to the second area, and first electrical connection section is in the film
Orthographic projection on transistor (TFT) array substrate is located at the second area and the covering bonding part, second electrical connection section stretch out
The thin-film transistor array base-plate.
5. display screen component as claimed in claim 4, is characterized in that, display chip is additionally provided on the second area, it is described
Display chip is set between first electrical connection section and the color membrane substrates.
6. display screen component as claimed in claim 3, is characterized in that, the display screen component further includes optical film assembly, institute
Stating optical film assembly includes multiple optical films being stacked, and multiple optical films are set to the color membrane substrates and the leaded light
Between plate, multiple optical films for being diffused to the light, even light and blast.
7. display screen component as claimed in claim 6, is characterized in that, the display screen component further includes stickers, described viscous
Patch includes the first paste section, and first paste section, which has, is right against the first aperture of the optical film assembly, and described first
Aperture is used for through the light projected from the light guide plate, to provide the viewing area brightness of the display screen component；Described first
Paste section is pasted on the side of any one layer of optical film of the optical film assembly, and any one layer from the optical film assembly
The side of optical film is stretched out, and affixes to first electrical connection section and the thin-film transistor array base-plate.
8. display screen component as claimed in claim 7, is characterized in that, the stickers further include connection first paste section
The second paste section, second paste section have the second aperture, the luminescence unit run through second aperture, described second
Paste section is pasted on second face.
9. display screen component as claimed in claim 8, is characterized in that, the material of the stickers is shading material.
10. display screen component as claimed in claim 7, is characterized in that, the display screen component further includes double-sided adhesive, described double
Face gluing is affixed between the stickers and the light guide plate.
11. display screen component as claimed in claim 2, is characterized in that, the display screen component further includes support plate and glue frame,
The support plate is set to the light guide plate and deviates from institute away from the side of the thin-film transistor array base-plate and the luminescence unit
The side of the first electrical connection section is stated, a part of the glue frame is connected between first electrical connection section and the support plate,
Another part of the glue frame, which stretches out first electrical connection section and connects, to be electrically connected on the flexible circuit board positioned at described first
Part between socket part and second electrical connection section.
12. the display screen component as described in claim 1~11 any one, is characterized in that, the quantity of the luminescence unit is
Multiple, the multiple luminescence unit is arranged on second face along first direction at intervals and close to the flexible circuit
The edge of plate, the lead portion extend along the first direction and are set to the multiple luminescence unit close to second electrical connection
The side in portion, the multiple luminescence unit are staggered in the orthographic projection on the flexible circuit board with the region where the lead portion
It opens, so that the multiple luminescence unit is located at except the heat affected area of the lead portion.
13. the display screen component as described in claim 1~11 any one, is characterized in that, the flexible circuit board further includes
First segment, second segment and the third section being connected in turn between first electrical connection section and second electrical connection section, it is described
First segment connects first electrical connection section, and on the extending direction of the lead portion, the size of the first segment is less than described
The size of first electrical connection section and the size for being greater than the lead portion, the size of the second segment are greater than the size of the first segment
And it is less than the size of first electrical connection section, the size of the third section is less than the size of the lead portion.
14. a kind of electronic equipment is characterized in that, the electronic equipment includes display described in claim 1~13 any one
Screen assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448582.2A CN110189626B (en) | 2019-05-27 | 2019-05-27 | Display screen assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448582.2A CN110189626B (en) | 2019-05-27 | 2019-05-27 | Display screen assembly and electronic equipment |
Publications (2)
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| CN110189626A true CN110189626A (en) | 2019-08-30 |
| CN110189626B CN110189626B (en) | 2021-11-02 |
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|---|---|---|---|
| CN201910448582.2A Active CN110189626B (en) | 2019-05-27 | 2019-05-27 | Display screen assembly and electronic equipment |
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Cited By (1)
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| CN111462628A (en) * | 2020-03-31 | 2020-07-28 | 维沃移动通信有限公司 | Flexible screen assembly and electronic equipment |
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| CN110189626B (en) | 2021-11-02 |
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