CN105044983B - A kind of backlight module and liquid crystal display device - Google Patents

A kind of backlight module and liquid crystal display device Download PDF

Info

Publication number
CN105044983B
CN105044983B CN201510504214.7A CN201510504214A CN105044983B CN 105044983 B CN105044983 B CN 105044983B CN 201510504214 A CN201510504214 A CN 201510504214A CN 105044983 B CN105044983 B CN 105044983B
Authority
CN
China
Prior art keywords
light
reflector plate
paranotum
adhesive tape
emitting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510504214.7A
Other languages
Chinese (zh)
Other versions
CN105044983A (en
Inventor
刘中杰
陈倩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Technology Co Ltd
Priority to CN201510504214.7A priority Critical patent/CN105044983B/en
Publication of CN105044983A publication Critical patent/CN105044983A/en
Application granted granted Critical
Publication of CN105044983B publication Critical patent/CN105044983B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means

Abstract

The present invention provides a kind of backlight module and liquid crystal display devices;The backlight module of the present invention supports corresponding display panel only with the first supporting mechanism and the second supporting mechanism, and the component in the backlight modules such as the light guide plate, the reflector plate and the optical diaphragm group is then fixed using U-shaped backboard;Compared with prior art, eliminate two side supporting mechanisms, so that the width of supporting mechanism is not present in corresponding two sides of backlight module, and then reduce the border width of the liquid crystal display using the backlight module, liquid crystal display is allowd to accomplish narrow frame, meet the needs of client is to border width, improve user experience and reduce cost.

Description

A kind of backlight module and liquid crystal display device
【Technical field】
The present invention relates to LCD Technology field, more particularly to a kind of production method of array substrate.
【Background technology】
With the rapid development of mobile phone industry, required by client is not only high-res picture, also to cell phone appearance There are specific requirement, such as the liquid crystal display of the liquid crystal display of narrow frame or even Rimless.The side of liquid crystal display at present Strip electrode limit can accomplish 0.8mm;But with the development of industry, this width is to can not meet customer demand, and client needs frame The smaller liquid crystal display of width.
From the point of view of the structure of liquid crystal display, since the glue frame of backlight module in current liquid crystal display is mostly hollow Glue frame, backlight module is caused uniformly to have glue frame width up and down, and this width account for entire backlight frame most, and then The border width for causing liquid crystal display is excessive, can not meet demand of the client to liquid crystal display border width.
As it can be seen that although the border width very little of liquid crystal display at present, still can not meet the demand of client.
【The content of the invention】
It is an object of the invention to provide a kind of backlight module and liquid crystal display device, to solve available liquid crystal display Frame is too wide, the technical issues of can not meet customer demand.
In order to solve the above technical problems, the present invention provides a kind of backlight module, including:
First reflector plate, for reflection light;
Light guide plate is arranged on first reflector plate, for forming area source;The light guide plate have incidence surface, with The opposite first side of the incidence surface, bottom surface, second side, threeth side opposite with second side and light-emitting surface, it is described Second side is vertical with the incidence surface;
First supporting mechanism is arranged on first reflector plate, and close to the incidence surface;
Second supporting mechanism is arranged on first reflector plate, and close to the first side;For with described first Supporting mechanism cooperation supports corresponding display panel;
Optical diaphragm group is arranged on the light-emitting surface, for the light export for exporting the light-emitting surface;
Backboard, for the light guide plate, the optical diaphragm group, first reflector plate to be fixed together;
The backboard is U-shaped, including:Bottom backboard, the first paranotum and second side back opposite with first paranotum Plate;
The bottom backboard sets the bottom surface of first reflector plate, and respectively with the bottom of first supporting mechanism, institute State the bottom connection of the second supporting mechanism;
First paranotum is L-shaped, and part of it is arranged on the second side, another part is arranged on the light extraction Face;
Second paranotum is L-shaped, and part of it is arranged on described 3rd side another part and is arranged on the light extraction Face;
First adhesive tape, the part of first adhesive tape is adhered to the upper surface of the optical diaphragm group, another part glues It invests on first paranotum;
Second adhesive tape, the part of second adhesive tape is adhered to the upper surface of the optical diaphragm group, another part glues It invests on second paranotum.
In the backlight module of the present invention, further include:Second reflector plate and the 3rd reflector plate;
For second reflector plate between first paranotum and the light guide plate, second reflector plate is L-shaped, Part of it is arranged on the second side, another part is arranged on the light-emitting surface;
For 3rd reflector plate between second paranotum and the light guide plate, the 3rd reflector plate is L-shaped, Part of it is arranged on the second side, another part is arranged on the light-emitting surface.
In the backlight module of the present invention, the length of the second reflector plate on the light-emitting surface is arranged on, with being arranged on institute State the equal length of the second paranotum on light-emitting surface
The length of the 3rd reflector plate on the light-emitting surface is set, with the 3rd paranotum that is arranged on the light-emitting surface Equal length.
In the backlight module of the present invention, the medial surface of first paranotum is equipped with the first double faced adhesive tape, and described second Reflector plate is connected by first double faced adhesive tape with the medial surface of first paranotum;
The medial surface of second paranotum is equipped with the second double faced adhesive tape, and the 3rd reflector plate is two-sided by described second Glue is connected with the medial surface of second paranotum.
In the backlight module of the present invention, first paranotum, first double faced adhesive tape and second reflector plate The sum of thickness, it is equal with the thickness of the optical diaphragm group;
The sum of thickness of second paranotum, second double faced adhesive tape and the 3rd reflector plate, with the optics The thickness of diaphragm group is equal.
In the backlight module of the present invention, first adhesive tape is the first black and white adhesive tape, and second adhesive tape is black for second White glue band;
The white face of the first black and white adhesive tape is close to the light-emitting surface;
The white face of the second black and white adhesive tape is close to the light-emitting surface.
In the backlight module of the present invention, the bottom of first supporting mechanism is step-like in height, including first step Face and second step face, the First terrace are located at the lower section in the second step face;
The bottom of second supporting mechanism is step-like in height, including the 3rd step surface and the 4th step surface, described the Three step surfaces are located at the lower section of the 4th step surface;
The First terrace and the 3rd step surface are Nian Jie with the bottom backboard respectively;
The second step face and the 4th step surface are Nian Jie with first reflector plate respectively.
In the backlight module of the present invention, the optical diaphragm group includes:Diffusion sheet, lower brightening piece and upper brightening piece;
The diffusion sheet is arranged on the light-emitting surface of the light guide plate;
The lower brightening piece is arranged on the diffusion sheet;
The upper brightening piece is arranged on the lower brightening piece;
Wherein, the diffusion sheet is equipped with /V adhesive tape, and the /V adhesive tape passes through the 3rd adhesive tape and the described first support Mechanism connects, to realize to diffusion sheet /V;
The /V adhesive tape band has white face and black side, and the white face is close to the diffusion sheet.
For the purposes of solving the technical issues of above-mentioned, the present invention also provides a kind of liquid crystal display device, including:
Liquid crystal display panel, including:Array substrate, color membrane substrates and positioned at the array substrate and the color membrane substrates Between liquid crystal layer;
The array substrate includes:A plurality of data lines, multi-strip scanning line and multiple pixel units;
The data cable, is used for transmission data-signal;
The scan line, is used for transmission scanning signal;
The pixel unit shows for carrying out picture according to the data-signal and the scanning signal;
Backlight module below the liquid crystal display panel, for providing light source for the liquid crystal panel, including:
First reflector plate, for reflection light;
Light guide plate is arranged on first reflector plate, for forming area source;The light guide plate have incidence surface, with The opposite first side of the incidence surface, bottom surface, second side, threeth side opposite with second side and light-emitting surface, it is described Second side is vertical with the incidence surface;
First supporting mechanism is arranged on first reflector plate, and close to the incidence surface;Second supporting mechanism, if It puts on first reflector plate, and close to the first side;For supporting the liquid with first supporting mechanism cooperation LCD panel;
Optical diaphragm group is arranged on the light-emitting surface, for the light export for exporting the light-emitting surface;
Backboard, for the light guide plate, the optical diaphragm group, first reflector plate to be fixed together;
The backboard is U-shaped, including:Bottom backboard, the first paranotum and second side back opposite with first paranotum Plate;
The bottom backboard sets the bottom surface of first reflector plate, and respectively with the bottom of first supporting mechanism, institute State the bottom connection of the second supporting mechanism;
First paranotum is L-shaped, and part of it is arranged on the second side, another part is arranged on the light extraction Face;
Second paranotum is L-shaped, and part of it is arranged on described 3rd side another part and is arranged on the light extraction Face;
First adhesive tape, the part of first adhesive tape is adhered to the upper surface of the optical diaphragm group, another part glues It invests on first paranotum;
Second adhesive tape, a part for second adhesive tape are adhered to the upper surface of the optical diaphragm group, another portion Divide and be adhered on second paranotum.
In the liquid crystal display device of the present invention, the backlight module further includes:Second reflector plate and the 3rd reflector plate;
For second reflector plate between first paranotum and the light guide plate, second reflector plate is L-shaped, Part of it is arranged on the second side, another part is arranged on the light-emitting surface;
For 3rd reflector plate between second paranotum and the light guide plate, the 3rd reflector plate is L-shaped, Part of it is arranged on the second side, another part is arranged on the light-emitting surface.
The present invention provides a kind of backlight module and liquid crystal display devices;The backlight module of the present invention is only with the first support Mechanism and the second supporting mechanism support corresponding display panel, and the light guide plate, described anti-is then fixed using U-shaped backboard Penetrate the component in the backlight modules such as piece and the optical diaphragm group;Compared with prior art, two side supporting mechanisms are eliminated (i.e. side glue frame) so that bracket institution (i.e. glue frame) width is not present in corresponding two sides of backlight module, and then reduces and adopt With the border width of the liquid crystal display of the backlight module so that liquid crystal display can accomplish narrow frame, meet client's opposite side The demand of width of frame, improves user experience, in addition, also reducing cost.
【Description of the drawings】
Fig. 1 is a kind of schematic cross-section of the backlight module that provides of the embodiment of the present invention one in light source side;
Fig. 2 is a kind of schematic cross-section of the backlight module that provides of the embodiment of the present invention one in light source offside;
Fig. 3 is a kind of schematic cross-section for backlight module long side that the embodiment of the present invention one provides;
Fig. 4 is the schematic diagram after a kind of backboard stretching, extension that the embodiment of the present invention one provides;
Fig. 5 is a kind of partial sectional schematic view of liquid crystal display device provided by Embodiment 2 of the present invention.
【Specific embodiment】
The explanation of following embodiment is with reference to additional schema, to illustrate the particular implementation that the present invention can be used to implementation Example.The direction term that the present invention is previously mentioned, such as " on ", " under ", "front", "rear", "left", "right", " interior ", " outer ", " side " Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be illustrate and understand the present invention rather than to The limitation present invention.The similar unit of structure is to be given the same reference numerals in the figure.
A kind of backlight module is present embodiments provided, with reference to figure 1-3, including:Light guide plate 10, flexible PCB (FPC) 20, Backlight 30, optical diaphragm group 40, the first supporting mechanism 50, the second supporting mechanism 60, the first reflector plate 701 and backboard 80;
Wherein, the light of backlight 30 for reflection light, is specifically reflected into the leaded light by the first reflector plate 701 Plate 10 increases light utilization efficiency;
Light guide plate 10 is arranged on first reflector plate 701, for forming area source, have incidence surface, with it is described enter The opposite first side of smooth surface, bottom surface, second side, threeth side opposite with second side and light-emitting surface, the second side Face is vertical with the incidence surface;
Flexible PCB (FPC) 20, directly over the backlight 30, and respectively with the backlight 30, described the One supporting mechanism 50 and the light guide plate 10 connect, for driving the backlight 30;
Backlight 30 is arranged on first reflector plate 701, and positioned at the incidence surface side, for generating light;This Backlight 30 is fixed on the flexible PCB 20 in embodiment, and close to the incidence surface, is incided into for generating light On incidence surface;The light-emitting surface of backlight can be towards incidence surface in the present embodiment so that backlight generate light from it is described enter Smooth surface enters light guide plate 10;Preferably, backlight 30 can be side-emitting LED in the present embodiment;
First supporting mechanism 50 is arranged on first reflector plate 701, and positioned at the outside of the backlight 30;This The first reflector plate 701 can pass through double faced adhesive tape and the bottom for being attached to the first supporting mechanism 50 in embodiment;
Preferably, it is as shown in Figure 1, step-like in height at the top of the first supporting mechanism in the present embodiment, it can reduce Gap between FPC20 and backboard 80,50 top of the first supporting mechanism can include supporting mechanism body and raise up convex Portion;The fixed backlight 30 in front of FPC20 at this time, and front by double faced adhesive tape 11 and supporting mechanism body, backlight 30 and is led The light-emitting surface marginal adhesion of tabula rasa 10;The back side of FPC20 passes through the 3rd adhesive tape 21 and the first supporting mechanism 50 and optical diaphragm group Top bonding connection;
Second supporting mechanism 60 is arranged on first reflector plate 701, and close to the first side;For with institute It states the cooperation of the first supporting mechanism 50 and supports corresponding display panel;The first reflector plate 701 can pass through double faced adhesive tape in the present embodiment Bottom with being attached to the first supporting mechanism 50;
General backlight 30 is arranged at the short side of light guide plate 10 in practical applications, therefore, first in the present embodiment Supporting mechanism 50 can be arranged on the short side of light guide plate 10, can be considered the glue frame of 10 short side of light guide plate;Second supporting mechanism The 60 also the same glue frames that can be considered 10 short side of light guide plate;
Optical diaphragm group 40 is arranged on the light-emitting surface, for the light export for exporting the light-emitting surface;This implementation Optical diaphragm group 40 includes in example:Diffusion sheet 401, the lower brightening piece 402 being arranged on diffusion sheet 401 and being arranged on down adds lustre to Upper brightening piece 403 on piece 402;The upper brightening piece 403 and under add lustre to 402 composition brightening pieces, it is bright for promoting backlight module Degree;
Backboard 80, for first reflector plate 701, light guide plate 10 and the optical diaphragm group 40 to be fixed together;
As shown in Fig. 1,3,4, backlight 80 is U-shaped in the present embodiment, including:Bottom backboard 801,802 and of the first paranotum Second paranotum 803 opposite with first paranotum;The bottom backboard 801 sets the bottom surface of first reflector plate 701, And the bottom with the bottom of first supporting mechanism 50, second supporting mechanism 60 is connected respectively;Preferably, for the ease of In the bottom of the first supporting mechanism 50 and the second supporting mechanism 60, double faced adhesive tape attaches the first reflector plate 701 and bottom backboard 801, together When reduce gap between the first reflector plate 701 and bottom backboard 801, with reference to 50 He of the first supporting mechanism in Fig. 1 and 2 the present embodiment Second supporting mechanism bottom is step-like in height.
Specifically, the bottom of first supporting mechanism 50 is step-like in height, including First terrace and second step Face, the First terrace are located at the lower section in the second step face;
The bottom of second supporting mechanism 60 is step-like in height, described including the 3rd step surface and the 4th step surface 3rd step surface is located at the lower section of the 4th step surface;
The First terrace and the 3rd step surface are Nian Jie with the bottom backboard respectively;First terrace in Fig. 1 and 2 With the 3rd step surface by double faced adhesive tape 501, double faced adhesive tape 601 is be bonded with bottom backboard 801;
The second step face and the 4th step surface are Nian Jie with first reflector plate respectively;Second in Fig. 1 and 2 Terrace and the 4th step surface are be bonded with the first reflector plate 701 by double faced adhesive tape 502, double faced adhesive tape 602 respectively.
First paranotum 802 is L-shaped, part of it is arranged on the second side, another part be arranged on it is described Light-emitting surface;Specifically, a part for the first paranotum 802 is arranged on the second side of light guide plate 10, another portion in the present embodiment Divide the edge for being arranged on light-emitting surface namely the first paranotum 802 package second side, and upwardly extend and bend package light extraction The edge in face;
Second paranotum 803 is L-shaped, part of it be arranged on described 3rd side another part be arranged on it is described go out Smooth surface;Specifically, a part for the second paranotum 802 is arranged on the 3rd side of light guide plate 10, another part in the present embodiment The 3rd side is wrapped up in the edge namely the second paranotum 803 for being arranged on light-emitting surface, and upwardly extends and bend package light extraction Face;
First adhesive tape 901, the part of first adhesive tape 901 are adhered to the upper surface of the optical diaphragm group, another Part is adhered on first paranotum 802;
Second adhesive tape (not illustrated in figure, can refer to the signal of the first adhesive tape 901, the two is similar), described A part for two adhesive tapes is adhered to the upper surface of the optical diaphragm group, another part is adhered on second paranotum 803;
The first adhesive tape 901 and the second adhesive tape are for backboard 80 is made to be fixed together with optical diaphragm group 40 in the present embodiment. Preferably, in the present embodiment the first adhesive tape 901 and the second adhesive tape can all can be black and white adhesive tape (divided good differentiation, the first adhesive tape 901 can be the first black and white adhesive tape, and the second adhesive tape can be the second black and white adhesive tape), and described in the white face of black and white adhesive tape examines Light-emitting surface;It is so irradiated in light on the first adhesive tape 901 and the second adhesive tape, can be reused, improve by the reflection of white face Light utilization efficiency.
As shown in Fig. 1,2,4, the present embodiment dorsulum 80 is by first reflector plate 701, light guide plate 10 and the optics Diaphragm group 40 is bundled together, and has achieved the purpose that fix these components.
The present embodiment supports corresponding only with the first supporting mechanism 50, the second supporting mechanism 60 of 10 short side of light guide plate Display panel, and the backlight modules such as first reflector plate 701, light guide plate and the optical diaphragm group 40 are fixed using backboard 80 Component compared with prior art, eliminates two glue frames of 10 long side of light guide plate, and then can accordingly reduce liquid crystal display side Width of frame realizes liquid crystal display narrow frame design, and reduces cost.
Since there are many direction of light in backlight module, some optics can be irradiated on paranotum, inhaled by paranotum It receives, causes the light utilization efficiency of backlight module to reduce;For the problem, second is provided with also in backlight module instead in the present embodiment Penetrate 702 and the 3rd reflector plate of piece;
Second reflector plate 702 is between first paranotum 802 and the light guide plate 10, second reflection Piece 702 is L-shaped, and part of it is arranged on the second side, another part is arranged on the light-emitting surface;As shown in figure 3, this The first paranotum 802 of U-shaped backlight 80 is L-shaped as the second reflector plate 702 in embodiment, and the second reflector plate 702 is set In the medial surface of the first paranotum 802, part package second side, another edge for wrapping up light-emitting surface;
3rd reflector plate is between second paranotum 803 and the light guide plate 10, the 3rd reflector plate L-shaped, part of it is arranged on the 3rd side, another part is arranged on the light-emitting surface;U-shaped backlight in the present embodiment Second paranotum 803 of plate 80 is L-shaped as the 3rd reflector plate, and the 3rd reflector plate is arranged on the inside of the second paranotum 803 Face, the 3rd side of part package, another edge for wrapping up light-emitting surface;The set-up mode of 3rd reflector plate and the second reflection Piece 702 is similar, may be referred to Fig. 3.
Preferably, with reference to figure 4, the medial surface of the first paranotum 802 described in the present embodiment is equipped with the first double faced adhesive tape 804, second reflector plate 702 is connected by first double faced adhesive tape 804 with the medial surface of first paranotum 802;
The medial surface of second paranotum 803 is equipped with the second double faced adhesive tape 805, and the 3rd reflector plate passes through described the Two double faced adhesive tapes 805 are connected with the medial surface of second paranotum 803.
The present embodiment is radiated at paranotum after 80 medial surface of backboard increases the second reflector plate 702 and the 3rd reflector plate On light can by the second reflector plate 702 and the 3rd reflector plate reflection re-use, improve light utilization efficiency.
To avoid the length due to being arranged on the reflector plate on the light-emitting surface, with the side back being arranged on the light-emitting surface Situations such as length of plate is different, caused light-injury or light leak, it is preferable that in the present embodiment:
The length of the second reflector plate 702 on the light-emitting surface is arranged on, with the first side being arranged on the light-emitting surface The equal length of backboard 802;With reference to figure 3, the length of the second reflector plate 702 on light-emitting surface is with being located at first on light-emitting surface The length of paranotum 802 is equal to L;
The length of the 3rd reflector plate on the light-emitting surface is set, with the second side back 803 being arranged on the light-emitting surface The equal length of plate.
To cause backlight module upper surface smooth, and then convenient for placing display panel and being fixed using adhesive tape, the present embodiment In:
The sum of thickness of first paranotum 802, first double faced adhesive tape 804 and second reflector plate 702, with The thickness of the optical diaphragm group 40 is equal;
The sum of thickness of second paranotum 803, second double faced adhesive tape 805 and the 3rd reflector plate, with institute The thickness for stating optical diaphragm group 40 is equal.
With reference to figure 1, in order to enable 401 position of diffusion sheet is fixed, avoid scratching light guide plate 10;Diffusion sheet in the present embodiment 401 are equipped with for the /V adhesive tape 902 to 401 /V of diffusion sheet;/V adhesive tape 902 is be bonded with the 3rd adhesive tape 21, thus with First supporting mechanism 50 connects, and has the function that 401 /V of diffusion sheet;
Preferably, /V adhesive tape 902 is black and white adhesive tape, and the /V adhesive tape 902 is be bonded with double faced adhesive tape 11;
/V adhesive tape 902 has white face and black side, and the white face is close to the diffusion sheet 401.
As it can be seen that backlight module can not only move to scratch light guide plate 10, Er Qieyou to avoid diffusion 401 in the present embodiment Light reflection can will be received in the white face using 902 /V of /V adhesive tape, the /V adhesive tape 902 to recycle, and promote light Utilization rate.
Embodiment two:
A kind of liquid crystal display device is present embodiments provided, as shown in figure 5, including:
Liquid crystal display panel 100, including:Array substrate, color membrane substrates and positioned at the array substrate and the color film Liquid crystal layer between substrate;
The array substrate includes:A plurality of data lines, multi-strip scanning line and multiple pixel units;
The data cable, is used for transmission data-signal;
The scan line, is used for transmission scanning signal;
The pixel unit shows for carrying out picture according to the data-signal and the scanning signal;
Backlight module below the liquid crystal display panel, for providing light source for the liquid crystal panel, including:
First reflector plate 70, for reflection light;
Light guide plate 10 is arranged on first reflector plate 70, for forming area source;The light guide plate has into light Face, the first side opposite with the incidence surface, bottom surface, second side, threeth side opposite with second side and light-emitting surface, The second side is vertical with the incidence surface;
Backlight 30 is arranged on first reflector plate 70, and positioned at the incidence surface side, for generating light;
First supporting mechanism 50 is arranged on first reflector plate 70, and positioned at the outside of the backlight 30;
Second supporting mechanism 60 is arranged on first reflector plate 70, and close to the first side;For with it is described The cooperation of first supporting mechanism 50 supports the liquid crystal display panel 100;
Flexible PCB 20 directly over the backlight 30, and is supported with the backlight 30, described first respectively Mechanism 50 and the light guide plate 10 connect, for driving the backlight 30;
Optical diaphragm group 40 is arranged on the light-emitting surface, for the light export for exporting the light-emitting surface;
Backboard 80, for the light guide plate 10, the optical diaphragm group 40, first reflector plate 70 to be fixed on one It rises;
The backboard 80 is U-shaped, including:Bottom backboard, the first paranotum and the second side opposite with first paranotum Backboard;
The bottom backboard sets the bottom surface of first reflector plate, and respectively with the bottom of first supporting mechanism, institute State the bottom connection of the second supporting mechanism;
First paranotum is L-shaped, and part of it is arranged on the second side, another part is arranged on the light extraction Face;
Second paranotum is L-shaped, and part of it is arranged on described 3rd side another part and is arranged on the light extraction Face;
First adhesive tape, the part of first adhesive tape is adhered to the upper surface of the optical diaphragm group, another part glues It invests on first paranotum;
Second adhesive tape, the part of second adhesive tape is adhered to the upper surface of the optical diaphragm group, another part glues It invests on second paranotum.
Light guide plate 10, flexible PCB (FPC) 20, backlight 30, optical diaphragm group 40, in the present embodiment backlight module One supporting mechanism 50, the second supporting mechanism 60, reflector plate 70, backboard 80,902 and first adhesive tape of /V adhesive tape, the second adhesive tape As soon as associated description in specific connection relation or structural reference embodiment between, is not repeating here.
Preferably, the backlight module further includes:Second reflector plate and the 3rd reflector plate;
For second reflector plate between first paranotum and the light guide plate, second reflector plate is L-shaped, Part of it is arranged on the second side, another part is arranged on the light-emitting surface;
For 3rd reflector plate between second paranotum and the light guide plate, the 3rd reflector plate is L-shaped, Part of it is arranged on the 3rd side, another part is arranged on the light-emitting surface.Liquid crystal display device in the present embodiment Backlight module in save two side glue frames so that glue frame width is not present in corresponding two sides of backlight module, and then subtracts The border width of the small liquid crystal display using the backlight module so that liquid crystal display can accomplish narrow frame, meet client To the demand of border width;Improve user experience;In addition U-shaped backboard 80 of the medial surface equipped with reflector plate is used by optical diaphragm Group 40 and light guide plate 10 are fixed together, and while firm backlight module, also improve light utilization efficiency.
In conclusion although the present invention is disclosed above with preferred embodiment, above preferred embodiment is not to limit The system present invention, those of ordinary skill in the art without departing from the spirit and scope of the present invention, can make various changes and profit Decorations, therefore protection scope of the present invention is subject to the scope that claim defines.

Claims (9)

1. a kind of backlight module, which is characterized in that including:
First reflector plate, for reflection light;
Light guide plate is arranged on first reflector plate, for forming area source;The light guide plate have incidence surface, with it is described The opposite first side of incidence surface, bottom surface, second side, threeth side opposite with second side and light-emitting surface, described second Side is vertical with the incidence surface;
First supporting mechanism is arranged on first reflector plate, and close to the incidence surface;
Second supporting mechanism is arranged on first reflector plate, and close to the first side;For being supported with described first Mechanism cooperation supports corresponding display panel;
Optical diaphragm group is arranged on the light-emitting surface, for the light export for exporting the light-emitting surface;
Backboard, for the light guide plate, the optical diaphragm group, first reflector plate to be fixed together;The backboard is in U Type, including:Bottom backboard, the first paranotum and second paranotum opposite with first paranotum;
The bottom backboard is arranged at the bottom surface of first reflector plate, and respectively with the bottom of first supporting mechanism, described The bottom connection of second supporting mechanism;
First paranotum is L-shaped, and part of it is arranged on the second side, another part is arranged on the light-emitting surface;
Second paranotum is L-shaped, and part of it is arranged on the 3rd side, another part is arranged on the light-emitting surface;
First adhesive tape, the part of first adhesive tape is adhered to the upper surface of the optical diaphragm group, another part is adhered to On first paranotum;
Second adhesive tape, the part of second adhesive tape is adhered to the upper surface of the optical diaphragm group, another part is adhered to On second paranotum.
2. backlight module as described in claim 1, which is characterized in that further include:Second reflector plate and the 3rd reflector plate;
Second reflector plate is between first paranotum and the light guide plate, and second reflector plate is L-shaped, one Part is arranged on the second side, another part is arranged on the light-emitting surface;
3rd reflector plate is between second paranotum and the light guide plate, and the 3rd reflector plate is L-shaped, one Part is arranged on the 3rd side, another part is arranged on the light-emitting surface.
3. backlight module as claimed in claim 2, which is characterized in that
The length of the second reflector plate on the light-emitting surface is arranged on, with the length for the first paranotum being arranged on the light-emitting surface It spends equal;
The length of the 3rd reflector plate on the light-emitting surface is set, with the length for the second paranotum being arranged on the light-emitting surface It is equal.
4. backlight module as claimed in claim 2, which is characterized in that
The medial surface of first paranotum be equipped with the first double faced adhesive tape, second reflector plate by first double faced adhesive tape with The medial surface connection of first paranotum;
The medial surface of second paranotum be equipped with the second double faced adhesive tape, the 3rd reflector plate by second double faced adhesive tape with The medial surface connection of second paranotum.
5. backlight module as claimed in claim 4, which is characterized in that
The sum of thickness of first paranotum, first double faced adhesive tape and second reflector plate, with the optical diaphragm The thickness of group is equal;
The sum of thickness of second paranotum, second double faced adhesive tape and the 3rd reflector plate, with the optical diaphragm The thickness of group is equal.
6. such as claim 1-5 any one of them backlight modules, which is characterized in that
First adhesive tape is the first black and white adhesive tape, and second adhesive tape is the second black and white adhesive tape;
The white face of the first black and white adhesive tape is close to the light-emitting surface;
The white face of the second black and white adhesive tape is close to the light-emitting surface.
7. such as claim 1-5 any one of them backlight modules, which is characterized in that
The bottom of first supporting mechanism is step-like in height, including First terrace and second step face, the First Terrace is located at the lower section in the second step face;
The bottom of second supporting mechanism is step-like in height, including the 3rd step surface and the 4th step surface, described 3rd Terrace is located at the lower section of the 4th step surface;
The First terrace and the 3rd step surface are Nian Jie with the bottom backboard respectively;
The second step face and the 4th step surface are Nian Jie with first reflector plate respectively.
8. backlight module as claimed in claim 4, which is characterized in that the optical diaphragm group includes:Diffusion sheet, lower brightening piece With upper brightening piece;
The diffusion sheet is arranged on the light-emitting surface of the light guide plate;
The lower brightening piece is arranged on the diffusion sheet;
The upper brightening piece is arranged on the lower brightening piece;
Wherein, the diffusion sheet is equipped with /V adhesive tape, and the /V adhesive tape passes through the 3rd adhesive tape and first supporting mechanism Connection, to realize to diffusion sheet /V;
The /V adhesive tape has white face and black side, and the white face is close to the diffusion sheet.
9. a kind of liquid crystal display device, which is characterized in that including:
Liquid crystal display panel, including:Array substrate, color membrane substrates and between the array substrate and the color membrane substrates Liquid crystal layer;
The array substrate includes:A plurality of data lines, multi-strip scanning line and multiple pixel units;
The data cable, is used for transmission data-signal;
The scan line, is used for transmission scanning signal;
The pixel unit shows for carrying out picture according to the data-signal and the scanning signal;
Backlight module below the liquid crystal display panel, for providing light source for the liquid crystal panel, including:
First reflector plate, for reflection light;
Light guide plate is arranged on first reflector plate, for forming area source;The light guide plate have incidence surface, with it is described The opposite first side of incidence surface, bottom surface, second side, threeth side opposite with second side and light-emitting surface, described second Side is vertical with the incidence surface;
First supporting mechanism is arranged on first reflector plate, and close to the incidence surface;
Second supporting mechanism is arranged on first reflector plate, and close to the first side;For being supported with described first Mechanism cooperation supports the liquid crystal display panel;
Optical diaphragm group is arranged on the light-emitting surface, for the light export for exporting the light-emitting surface;
Backboard, for the light guide plate, the optical diaphragm group, first reflector plate to be fixed together;The backboard is in U Type, including:Bottom backboard, the first paranotum and second paranotum opposite with first paranotum;
The bottom backboard is arranged at the bottom surface of first reflector plate, and respectively with the bottom of first supporting mechanism, described The bottom connection of second supporting mechanism;
First paranotum is L-shaped, and part of it is arranged on the second side, another part is arranged on the light-emitting surface.
CN201510504214.7A 2015-08-17 2015-08-17 A kind of backlight module and liquid crystal display device Active CN105044983B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510504214.7A CN105044983B (en) 2015-08-17 2015-08-17 A kind of backlight module and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510504214.7A CN105044983B (en) 2015-08-17 2015-08-17 A kind of backlight module and liquid crystal display device

Publications (2)

Publication Number Publication Date
CN105044983A CN105044983A (en) 2015-11-11
CN105044983B true CN105044983B (en) 2018-05-18

Family

ID=54451638

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510504214.7A Active CN105044983B (en) 2015-08-17 2015-08-17 A kind of backlight module and liquid crystal display device

Country Status (1)

Country Link
CN (1) CN105044983B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6693139B2 (en) * 2016-01-18 2020-05-13 オムロン株式会社 Case, surface light source device, display device, and electronic device
CN105549265B (en) * 2016-03-03 2018-11-09 武汉华星光电技术有限公司 A kind of backlight module and liquid crystal display
CN107121843A (en) * 2017-06-30 2017-09-01 武汉华星光电技术有限公司 Liquid crystal display, backlight module and its assemble method
CN108254975B (en) * 2018-01-23 2021-03-02 Oppo广东移动通信有限公司 Display screen assembly and electronic equipment
CN108230914B (en) * 2018-03-12 2020-03-13 京东方科技集团股份有限公司 Display device and tiled display device
CN108319078A (en) * 2018-04-25 2018-07-24 武汉华星光电技术有限公司 Backlight module and display device
US10712494B2 (en) 2018-04-25 2020-07-14 Wuhan China Star Optoelectronics Technology Co., Ltd. Backlight module and display device
CN108877502A (en) * 2018-06-29 2018-11-23 信利光电股份有限公司 A kind of display screen component
CN109324440A (en) * 2018-11-28 2019-02-12 武汉华星光电技术有限公司 A kind of liquid crystal display panel
CN109445015B (en) * 2018-12-28 2020-09-25 厦门天马微电子有限公司 Backlight module and display device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101344652A (en) * 2008-08-11 2009-01-14 友达光电(苏州)有限公司 Glue frame structure used for fixing display panel and display equipment
CN101761830A (en) * 2010-01-18 2010-06-30 友达光电股份有限公司 Backlight module
CN101957506A (en) * 2010-09-28 2011-01-26 友达光电股份有限公司 Display module and assembling method thereof
CN102122095A (en) * 2011-03-22 2011-07-13 友达光电股份有限公司 Liquid crystal display device
CN202394007U (en) * 2011-11-01 2012-08-22 深圳市华星光电技术有限公司 Liquid crystal display (LCD) device
CN103543543A (en) * 2013-11-05 2014-01-29 深圳市华星光电技术有限公司 Frame-free liquid crystal display device
CN104534363A (en) * 2014-12-31 2015-04-22 深圳市华星光电技术有限公司 Backlight module and liquid crystal display with backlight module

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060071512A (en) * 2004-12-22 2006-06-27 엘지.필립스 엘시디 주식회사 Liquid crystal display device module
KR100805532B1 (en) * 2006-06-09 2008-02-20 삼성에스디아이 주식회사 Portable Display Device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101344652A (en) * 2008-08-11 2009-01-14 友达光电(苏州)有限公司 Glue frame structure used for fixing display panel and display equipment
CN101761830A (en) * 2010-01-18 2010-06-30 友达光电股份有限公司 Backlight module
CN101957506A (en) * 2010-09-28 2011-01-26 友达光电股份有限公司 Display module and assembling method thereof
CN102122095A (en) * 2011-03-22 2011-07-13 友达光电股份有限公司 Liquid crystal display device
CN202394007U (en) * 2011-11-01 2012-08-22 深圳市华星光电技术有限公司 Liquid crystal display (LCD) device
CN103543543A (en) * 2013-11-05 2014-01-29 深圳市华星光电技术有限公司 Frame-free liquid crystal display device
CN104534363A (en) * 2014-12-31 2015-04-22 深圳市华星光电技术有限公司 Backlight module and liquid crystal display with backlight module

Also Published As

Publication number Publication date
CN105044983A (en) 2015-11-11

Similar Documents

Publication Publication Date Title
US9338905B2 (en) Curved display apparatus
US9332665B2 (en) Display apparatus
US9445518B2 (en) Display device and apparatus for side surface sealing of display panel
US20180314000A1 (en) Liquid crystal display and manufacturing method thereof
US20160306219A1 (en) Liquid crystal display device
CN104315412B (en) Backlight module and display device
TWI273317B (en) Backlight module for a double-sided LCD device
CN104199206B (en) A kind of display device and its assembly method
CN100447633C (en) Backlight unit, display device provided with the backlight unit, and method of manufacturing the display device
US8587744B2 (en) Liquid crystal display and fabricating method thereof
KR20160072240A (en) Backlight module and liquid crystal display device using backlight module
US9523812B2 (en) Backlight module
US20130263488A1 (en) Display device and assembly method thereof
US20150301272A1 (en) Backlight module and liquid crystal display device using same
US20130342785A1 (en) Display device and method of assembling the same
CN109116621B (en) Display module and display device
WO2014069298A1 (en) Lighting device and display device
KR20120042336A (en) Display apparatus
CN102955291A (en) Display device
CN103529596B (en) Backlight module and the liquid crystal indicator with this backlight module
CN202907072U (en) Display device
US8049833B2 (en) Liquid crystal display device
JP2018004728A (en) Display device and bonding method
EP3029542A1 (en) Liquid crystal display device and method for manufacturing the same
US9036111B2 (en) Liquid crystal display module

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant