CN206657156U - Mobile phone with the liquid crystal display die set for independently lighting backlight section - Google Patents

Abstract

Mobile phone with the liquid crystal display die set for independently lighting backlight section, belong to structure electrical field；Its construction includes:It is stained with the face glass, center and back casing of touch-screen；Electronic section includes:Liquid crystal module, electronics mainboard and discrete assembly；Stacking order is followed successively by:It is stained with face glass center+circuit board+battery backshell body of touch-screen, the LED of liquid crystal module is drawn for the electrode cable of the LED of light lamp bar, it is that LED is divided into 2 10 groups for the electrode of light lamp bar, in the case where using polylith splicing light guide plate, the packet is identical with the quantity of light guide plate, and whole LED is that subregion or entirety are lighted by the drive circuit of mainboard for light lamp bar.Construction includes liquid crystal display+backlight assembly:It is to supply light from long side to straight flange or the light guide plate of curl for light lamp bar from LED, the function of supporting single area's high brightness and Dan Qu to light.

Description

Mobile phone with the liquid crystal display die set for independently lighting backlight section

[technical field]

The invention belongs to electronic technology field：It is Specifically that one kind side supplies light formula backlight and calmodulin binding domain CaM backlight luminescence Liquid crystal display die set.

[background technology]

The state of the art at present：Liquid crystal module mainly by:Liquid crystal display+back light unit composition and cable tail, mobile phone Display unit is exactly liquid crystal module, and two parts are assembled together, and is to be independently driven when work.The principle of liquid crystal display It is that back light unit sends uniform face light, light is passed in our eyes through liquid crystal display.Liquid crystal be it is a kind of between solid-state with Material between liquid, it can not light in itself, need to the effect of screen be exactly to this by pixel by extra light source is wanted A little light carry out shading and optical filtering processing, with display image.

Backlight is divided into direct-light-type backlight and side-light type back light according to the position difference of light source.Direct-light-type backlight, Directly LED light source is placed on below exiting surface, the light that light source is sent passes through the diffusion and mixing of one section of space length and diffuser plate Afterwards, turn into area source to emit, direct-light-type backlight needs certain light mixing distance.And side-light backlight structure is to ultrathin Module design then have more superiority, with sweeping for " Ultrathin ", ultra-thin side light type LED backlight source turns into main flow；Whole knot Structure includes：LED light bar, membrane material, light guide plate, framework, Reflecting backboard.Backlight module is that LED light bar is entered by light guide plate end face Enter, the light sent makes area source by the multiple diffusing reflection of light guide plate surface.In order to improve the brightness of backlight, film Material structure matching is：Mono- layer of DBEF of+one layer of BEF+ of one layer of diffusion sheet.Wherein, the effect of diffusion sheet is the refraction by means of diffusate With reflecting optical haze, make the light of injection more uniform：BEF effect is to gather light, makes it vertically into Liquid Crystal Module To improve briliancy：DBEF is using originally increasing brightness by 50% light that conventional suction type polaroid absorbs.LED is carried on the back Circuit of light sources design mainly includes lamp bar design and Design of Drive and Control Circuit

Light source is distributed in the surrounding of backlight using dual chip white light LEDs lamp bar more.It is homogeneous in order to reach more preferable electric current Property, lamp bar uses serial-parallel mirror, carries out two and more strings.In order to obtain more preferable radiating effect, LED light bar is processed using aluminium base Make.

The unitary construction of smart mobile phone:Shell structure part (including:Front/rear housing and center etc.), touch-screen and face Glass sheet, display portion (display screen), electronics mainboard (welding the main circuit board of each portion's part, can be veneer or plurality of plates) and Discrete assembly (camera battery transmitter receiver electromagnetic horn cable button)；Stacking order:Face glass-touch-screen-center+ Circuit board+battery-back casing, especially for using gluing or buckle mode, shape between face glass-center-back casing Circuit board+battery+camera+transmitter+receiver loudspeaker+antenna+cable button is loaded in entirety by the overall structure into mobile phone In structure；

The main circuit board of smart mobile phone is most important part in mobile phone, and it is located at the inside of smart mobile phone, with each part Between be connected by data flexible cord or contact.Main circuit board can be described as the core component of mobile phone, and it is responsible for mobile phone signal Input, output, processing, the transmission of mobile phone signal, and the work such as the power supply of complete machine, control.

The design of the smart mobile phone circuit board of different brands can be different, and some smart mobile phones only have one piece of circuit board, Some smart mobile phones are in addition to having main circuit, also secondary circuit board.The general connecting interface of secondary circuit board, the first-class annex of shooting, intelligence What is installed on the main circuit board of energy mobile phone is all SMD components, and arrangement is very close, and the main chip on circuit board is all Using the welding of BGA forms on circuit boards；The circuit of smart mobile phone is the core of smart mobile phone, is responsible for power supply, the control of mobile phone And the realization of mobile phone various functions.The circuit of smart mobile phone mainly includes：Radio circuit, sound circuit, processor and storage Device circuit, power supply and charging circuit, operation and screen display circuit, interface circuit, and other functional circuit (such as bluetooth, antenna, receipts Sound, sensor, vibrator, camera circuit etc.),

As smart mobile phone screen is increasing, the electricity of resolution ratio more and more higher, only mobile phone screen consumption just can reach Up to the 80% of whole power consumption.Current most mobile phone screen all uses TFT and IPS screens, although there is good brightness With contrast it is high the characteristics of, but it is also their a big inferior position to compare power consumption.By taking iPhone mobile phones as an example, the power consumption of screen More than 60% (under middle low amounts degree) of whole mobile phone can be reached.2K screens (1440*2560 pixels) compare 720P or 1080P Screen, not only resolution ratio is big, causes the reduction of pixel aperture ratio, backlight sales volume is lower, and power consumption is just generated from principle Amount increases.And requirement of the 2K screens to CPU and GPU is also bigger, the problems such as resulting heating, energy consumption, can more cause Mobile phone increasingly power consumption.

Solves the method for screen power consumption at present：Best bet is exactly the brightness for turning down screen, there is data to suggest that, in screen Power consumption Deng brightness is just slightly larger than the half of high-high brightness.So by the luminance-reduction of mobile phone, at night using night mould Formula, screen is closed in time, so while ensureing to use high-resolution mobile phone, moreover it is possible to save electricity, and one current It is relatively good under state of the art to have selected.

Another difficulty on screen luminance of mobile phone！Mobile phone is used under daytime sunlight, even if maximum is reached in measuring for screen Measuring can not also meet to require, strong ambient light is difficult to see screen content clearly, even complete the most simply to transfer to function Also it is not easy

[utility model content]

The purpose of the present invention：Screen intensity is not being reduced, on the premise of not increasing battery capacity, is solving making for battery of mobile phone With the normal use problem under time and high ambient light

The features of the present invention：It is simple in construction, the low of cost

The key problem in technology of the present invention is that：

The construction of the mobile phone is that shell structure part includes:It is (membranaceous to be stained with touch-screen：TP before face glass) is used as Shell, center and back casing；Electronic component part includes:Liquid crystal module is (gapless to be placed on the face glass for being stained with touch-screen Behind), electronics mainboard (welding the main circuit board of each portion's part, can be veneer or plurality of plates) and discrete assembly (camera Battery transmitter receiver electromagnetic horn cable button)；Stacking order is successively:It is stained with face glass-center-rear shell of touch-screen Body, the cavity body structure of mobile phone is formed, and the connection between face glass-center-back casing is to use gluing or buckle or screw Mode be attached, electronic component is included:Circuit board+battery+camera+transmitter+receiver loudspeaker+antenna+cable is pressed Key is loaded in the cavity body structure of formed mobile phone, is often also referred to as mainboard for circuit board, mainboard can be 1 piece and also may be used To be polylith (one piece of maximum electronics board is referred to as mainboard, remaining less can also be referred to as subplate)

Buckle herein is a kind of common connecting mode in structure design, is the elastic deformation using structural material To swell to form local crowning by some position of 1 part by what is fastened between 2, and with pair of another part The depression at position is answered to fit together completion connection, fastening amount becomes according to elasticity, is also divided into fast knot and knot that can be undone by a pull.

Screw connection is also conventional, and via or screw are machined with face glass-center-back casing, using by face Screws are connected between glass sheet and back casing or center and back casing or face glass and center can also mix with buckle Use.

The liquid crystal module construction of section light guide plate as referred to herein includes liquid crystal display+backlight assembly:It is that light lamp is supplied by LED Bar supplies light from long side to light guide plate, and the light supplied passes through the multiple reflections of Reflecting backboard, and under the light diffusion of membrane material, injects liquid Detailed configuration relevant crystalline substance screen, which is shown in, implements illustration declaratives.

Further:Light guide plate is overall 1 piece either polylith (2-10 blocks) discrete splicing, all splicing edges parallel to LED supplies the orientation of light lamp bar

Further:The splicing of each light guide plate

Smooth flat, should with it is vertical or 70 degree -90 spend between；In the case of non-perpendicular, the spelling of discrete light guide plate The contact surface of edge fit only has 1 contact line, has the one of contact line facing to liquid crystal display

Further:For face near the light guide plate of the contact edge of light lamp bar light it is plane or column-shape curved surface with LED, the post The axis in face and LED are for the parallel of light lamp bar

Further:Drawn with LED for the electrode cable of the LED of light lamp bar, be subregion absolute electrode connection extraction or complete Draw by processing of circuit in portion；The subregion absolute electrode connection extraction refers to：LED is divided into 2-10 for the electrode of light lamp bar Group, in the case where using polylith splicing light guide plate, the packet is identical with the quantity of light guide plate, and whole LED is point for light lamp bar Region or entirety are lighted by the drive circuit of mainboard.

The operation principle of mobile phone is identical with other mobile phones, except that：Independently light the liquid crystal display mode of backlight section Group the course of work be：According to ambient light and the situation of the remaining capacity of battery of mobile phone：Whole screen is opened in selection or part LED supplies light The LED of lamp bar, under daytime sunburst, sections of the 1-2 groups LED for the LED of light lamp bar is opened, and have ready conditions and drive more Big electric current (and being unlikely to make it that the power burden of complete machine is too high), easily makes one to see screen content clearly；In addition in battery of mobile phone In the case that remaining capacity is very few, the section for opening 1-2 groups LED for the LED of light lamp bar is advantageous to continue a journey.

It is to be noted that：Light guide plate is curl section light guide plate or straight flange section light guide plate；Led for curl section The situation of tabula rasa, due to the bending in border area, it is adapted to narrower mobile phone width scales；The face glass of the curved surface easily coordinated, So that the profile of mobile phone is more good-looking.

Liquid crystal display fits entirely into a small amount of bending, easily laminating on the curved surface of light guide plate and face glass.

[brief description of the drawings]

Liquid crystal module organigrams of the Fig. 1 with curl section light guide plate

Liquid crystal module organigrams of the Fig. 2 with straight flange section light guide plate

Label declaration：

1,2,3 curl section light guide plates

4 LED supply light lamp bar

5 Reflecting backboards

6 liquid crystal displays

7 membrane materials

8 individual section service cables

9,14 LED supply light lamp bar outgoing cable

10 liquid crystal modules

11,12,13 straight flange section light guide plates

15 brilliant screen outgoing cables

[embodiment]

Basic embodiment below in conjunction with accompanying drawing with regard to the present invention, the invention will be further described：

Such as Fig. 1, shown in 2：

The explosive view of dotted line is liquid crystal module (10).

Liquid crystal module construction includes:Liquid crystal display (6) and backlight assembly:Backlight assembly is to supply light lamp bar (4) by LED, via Long side supplies light, the light supplied to curl section light guide plate (1), (2) and (3) and straight flange section light guide plate (11), (12) and (13) By the multiple reflections of Reflecting backboard (5), and under the light diffusion of membrane material (7), inject liquid crystal display (6)

LED supplies light lamp bar outgoing cable (9), and the electrode of all LEDs can be guided to extraction, be sent to drive circuit by (14) Part；3 independent section service cables (8) can also be divided into, then be sent to driving circuit section, can so reduce extraction The number of electrodes of cable；LED supplies light lamp bar outgoing cable (9), and (14) can only light 1 independent section (namely 1/3 LED lamps, just illuminate 1/3 light guide plate)；Light guide plate is smooth flat, should with it is vertical or 70 degree -90 spend between；Non- In the case of vertical, the contact surface of the splicing edge of discrete light guide plate only has 1 contact line, has the one of contact line facing to liquid crystal Shield

Crystalline substance screen outgoing cable (15) is connected with the electronics mainboard of mobile phone.

The combination of each layer of liquid crystal module (10), it is to be fallen together by gapless fold, cataclysm part can use glue Thing is bonded.

For the mobile phone with the liquid crystal display die set for independently lighting backlight section：Liquid crystal module (10) is very heavy Will；It is mounted in the important component in the shell structure part for the mobile phone that fore shell, center and back casing are formed；Except liquid crystal mould Group is outer, and other electronic component parts also include:Electronics board and discrete assembly；Stacking order is successively:It is stained with the panel of touch-screen Glass-center-back casing forms the cavity body structure of mobile phone, and electronic component is included:Circuit board+battery+camera+send words Device+receiver loudspeaker+antenna+cable button is loaded in the cavity body structure, and the connection between face glass-center-back casing is It is attached using the mode of gluing or buckle or screw, it can also be polylith that electronics board, which can be 1 piece,.

Claims (3)

1. the mobile phone with the liquid crystal display die set for independently lighting backlight section, the shell structure part of the mobile phone includes:It is stained with The face glass of touch-screen is as fore shell, center and back casing；Electronic component part includes:Liquid crystal module, electronics board and point Vertical component；Stacking order is successively:The face glass, center, back casing for being stained with touch-screen form the cavity body structure of mobile phone, will wrap Include:Circuit board, battery, camera, transmitter, receiver loudspeaker, the electronic component of antenna and cable button are loaded in the cavity knot In structure, the connection between face glass and center and back casing is attached using the mode of gluing or buckle or screw, electricity It can also be polylith that daughter card, which can be 1 piece,；Its feature is that：The backlight assembly of liquid crystal module:It is that light lamp bar edge is supplied by LED The placement of light guide plate long side；LED is drawn for the electrode cable of the LED of light lamp bar, is subregion absolute electrode connection extraction or complete Draw by processing of circuit in portion；The subregion absolute electrode connection extraction refers to：LED is divided into 2-10 for the electrode of light lamp bar Group, in the case where using polylith splicing light guide plate, the packet is identical with the quantity of light guide plate, and whole LED is point for light lamp bar Region or entirety are lighted by the drive circuit of mainboard；The section that 1-2 groups LED is opened for the LED of light lamp bar is advantageous to continue a journey.

2. the mobile phone according to claim 1 with the liquid crystal display die set for independently lighting backlight section, it is characterized in that：Lead Tabula rasa is the overall 1 piece either discrete splicing of 2-10 blocks, and the splicing edge on all light guide plates supplies the row of light lamp bar parallel to LED Column direction.

3. the mobile phone according to claim 1 with the liquid crystal display die set for independently lighting backlight section, it is characterized in that：Lead The shape in the face near tabula rasa is plane or column-shape curved surface, and the axis of the column-shape curved surface is parallel for light lamp bar with LED.