WO2019080322A1 - 直下式背光显示模组及终端装置 - Google Patents

直下式背光显示模组及终端装置

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Publication number
WO2019080322A1
WO2019080322A1 PCT/CN2017/116792 CN2017116792W WO2019080322A1 WO 2019080322 A1 WO2019080322 A1 WO 2019080322A1 CN 2017116792 W CN2017116792 W CN 2017116792W WO 2019080322 A1 WO2019080322 A1 WO 2019080322A1
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WIPO (PCT)
Prior art keywords
display module
liquid crystal
disposed
electromagnetic
backlight display
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Ceased
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PCT/CN2017/116792
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English (en)
French (fr)
Inventor
宋高博
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Application filed by Guangzhou Shiyuan Electronics Thecnology Co Ltd, Guangzhou Shirui Electronics Co Ltd filed Critical Guangzhou Shiyuan Electronics Thecnology Co Ltd
Publication of WO2019080322A1 publication Critical patent/WO2019080322A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods

Definitions

  • the utility model relates to the technical field of display devices, in particular to a direct type backlight display module and a terminal device comprising the direct type backlight display module.
  • the liquid crystal display has become a mainstream display in the market due to its low electromagnetic radiation, low power consumption, low heat generation, light weight and the like, and the LED backlight display has also been widely used.
  • LED backlight displays on the market are mainly divided into two types: side-in and direct-down.
  • the side-entry type is to install the LED light string as the backlight module around the liquid crystal screen
  • the direct-type type is to install the LED light string as the backlight module on the front and back of the liquid crystal screen
  • the direct-lit backlight display is relatively straight. Lower cost and wider application.
  • the purpose of the embodiments of the present invention is to provide a direct-lit backlight display module and a terminal device, which can integrate the electromagnetic touch input into the direct-lit backlight display module.
  • the embodiment of the present invention adopts the following technical solutions:
  • a direct type backlight display module including:
  • the backlight module includes a back plate, a light emitting structure disposed on the back plate, and a diffusing plate facing the light emitting structure;
  • liquid crystal panel disposed on a side of the diffusion plate away from the light emitting structure
  • An electromagnetic input module comprising an electromagnetic circuit printed on the diffusion plate
  • the main control circuit, the backlight module, the liquid crystal panel and the electromagnetic circuit are all connected to the main control circuit.
  • a side of the diffusing plate adjacent to the light-emitting structure is provided with a groove structure matching the electromagnetic circuit, and the electromagnetic circuit is disposed in the groove structure;
  • the diffusion plate is disposed adjacent to a side surface of the liquid crystal panel with a groove structure matching the electromagnetic circuit, and the electromagnetic circuit is disposed in the groove structure.
  • a side of the electromagnetic circuit away from the groove bottom of the groove structure is flush with a notch of the groove structure.
  • an optical film assembly is disposed between the diffusion plate and the liquid crystal panel, and the optical film assembly includes a diffusion film and a brightness enhancement film sequentially stacked on the diffusion plate.
  • the shape and area of the liquid crystal panel and the optical film assembly are the same, and the liquid crystal panel is aligned with the edge of the optical film assembly.
  • a preferred embodiment of the direct type backlight display module further includes a touch provided on the liquid crystal panel Touching the input module, the touch input module includes a touch input board disposed on the liquid crystal panel, and a touch control circuit connected to the touch input board, wherein the touch control circuit is connected to the main control circuit.
  • the light-emitting structure includes a light bar disposed on the back plate and facing the diffusion plate, and a reflection surrounding the bottom side and the circumference side of the light bar. a sheet, the reflection sheet corresponding to the diffusion plate.
  • a heat dissipation plate is disposed between the back plate and the light emitting structure.
  • the heat dissipation plate is a nano carbon heat dissipation plate.
  • a terminal device comprising the direct type backlight display module as described above.
  • the beneficial effects of the embodiments of the present invention are: by printing electromagnetic lines on the diffusion plate, the electromagnetic input technology can also be integrated on the low-cost direct-lit backlight display module to meet the needs of the touch, and the electromagnetic molding of the printing The connection between the line and the diffuser is tighter.
  • FIG. 1 is a cross-sectional view of a direct type backlight display module according to an embodiment of the present invention.
  • the direct-lit backlight display module includes a backlight module, a liquid crystal panel 6, an electromagnetic input module, and a main control circuit
  • the backlight module includes a back plate 1 and is disposed on a light-emitting structure on the back plate 1, and a diffusing plate 4 facing the light-emitting structure
  • the liquid crystal panel 6 is disposed on a side of the diffusing plate 4 away from the light-emitting structure
  • the electromagnetic input module includes an electromagnetic circuit printed on the diffusing plate 4, and the backlight
  • the electromagnetic input technology can be integrated on the low-cost direct-type backlight display module to meet the needs of the touch, and the connection between the printed electromagnetic circuit and the diffusion plate 4 is satisfied. More closely.
  • the backboard 1 provides a mounting base for the entire backlight module, and can be made of metal.
  • the backboard 1 is made of metal, not only the support strength is high, but also the heat dissipation effect of the light-emitting structure can be improved, and the light-emitting structure can be emitted.
  • the light illuminates the liquid crystal panel 6, and the tempered glass 7 is provided on the side of the liquid crystal panel 6 away from the light emitting structure, and the tempered glass 7 is used to protect the liquid crystal panel 6.
  • the diffusion plate 4 is made of PS and has a thickness of 1 to 2 mm.
  • the diffusion plate 4 can atomize the light source to improve the uniformity of the image.
  • the diffusion plate 4 has a certain rigidity and can support the printing in diffusion. Electromagnetic circuit on board 4.
  • PS board is polystyrene board, commonly known as "organic board", the English name Polystyene, density is 1.02 ⁇ 1.08, it is a thermoplastic, the transparency is relatively high (transmittance is second only to plexiglass), has excellent electrical insulation Sex, high-frequency insulation is better, the quality is brittle, impact resistance, can resist general chemical corrosion, chemical stability, hardness similar to that of organic glass, water absorption and thermal expansion coefficient are smaller than that of organic glass, and the price is lower than that of organic glass.
  • the diffuser panel 4 can also be made of acrylic, PET or PC.
  • Acrylic also known as PMMA or Acrylic, is derived from English acrylic (acrylic plastic).
  • the chemical name is polymethyl methacrylate, which is an important plastic polymer material developed earlier and has better properties. It has a wide range of applications in the construction industry due to its transparency, chemical stability and weather resistance, easy dyeing, easy processing and beautiful appearance.
  • PET polyethylene terephthalate, which is the most important type of thermoplastic polyester.
  • the English name is Polyethylene terephthalate.
  • PET is a milky white or light yellow highly crystalline polymer with a smooth and lustrous surface. PET has the following advantages: (1) resistance to creep, fatigue resistance, abrasion resistance and dimensional stability, low abrasion and high hardness, and maximum toughness in thermoplastics; (2) good electrical insulation properties, temperature The impact is small; (3) non-toxic, weather-resistant, chemical-resistant, and low water absorption.
  • the PC board is a high-quality sheet made of polycarbonate as the main component and co-extrusion technology CO-EXTRUSION.
  • PC board has the following characteristics: (1) Transmittance: PC board transmittance is up to 89%, comparable to glass; (2) Impact resistance: impact strength is 250-300 times that of ordinary glass, the same thickness 30 times of acrylic sheet is 2-20 times of tempered glass. It has no cracks from 2 meters to PC board with 3kg weight. It has the reputation of “not broken glass” and “ring steel”; (3) UV protection The PC board is coated with an anti-ultraviolet (UV) coating on one side and anti-condensation treatment on the other side.
  • UV anti-ultraviolet
  • UV-resistant, heat-insulating and anti-drip functions to block UV rays, which is suitable for protecting valuable artworks and exhibits. It is not damaged by ultraviolet rays;
  • Light weight the specific gravity is only half of the glass, saving the cost of transportation, handling, installation and supporting frame;
  • Flame retardant the national standard GB50222-95 confirms that the PC board is flame retardant Class, ie B1 level, PC board's own ignition point is 580 degrees Celsius, self-extinguishing from the fire, no toxic gas will be produced during combustion, will not promote the spread of fire;
  • Flexibility can be used in the construction site according to the design drawings Cold-bending, mounted in an arched, semi-circular top and window.
  • the minimum bending radius is 175 times of the thickness of the plate, and it can also be hot-bent; (7) Sound insulation: The PC board has obvious sound insulation effect, and has better acoustic insulation than the same thickness of glass and acrylic sheet under the same thickness. The sound insulation of PC board is 3-4DB higher than that of glass. It is the preferred material for highway noise barriers in the world; (8) Energy-saving: cool in summer, warm in winter, PC board is lower than ordinary glass and other plastics.
  • Thermal conductivity (K value), insulation effect is 7%-25% higher than equivalent glass, PC board insulation is highest 49%, so that the heat loss is greatly reduced, for buildings with heating equipment, is an environmentally friendly material; (9) Temperature adaptability: PC board does not occur cold-brittle at -100 °C, does not soften at 135 °C, in bad The mechanics and mechanical properties of the environment did not change significantly.
  • the diffuser plate 4 is disposed on a side of the light emitting structure with a groove structure matching the electromagnetic circuit, and the electromagnetic circuit is disposed in the groove structure; or the diffuser plate 4 is adjacent to the liquid crystal panel.
  • One side of the 6 is provided with a groove structure matching the electromagnetic circuit, and the electromagnetic circuit is disposed in the groove structure.
  • the side of the electromagnetic circuit away from the groove bottom of the groove structure is flush with the groove of the groove structure.
  • the shape of the groove structure on the diffusion plate 4 is consistent with the structure of the electromagnetic circuit, and then the electromagnetic circuit is printed in the groove structure, that is, the electromagnetic circuit is hidden in the diffusion plate 4. It does not require extra space and is convenient for the thin design of the device.
  • an optical film assembly 5 is disposed between the diffusion plate 4 and the liquid crystal panel 6.
  • the optical film assembly 5 includes a diffusion film 51 and a brightness enhancement film 52 which are sequentially stacked on the diffusion plate 4. .
  • the optical patch assembly 5 can further process the light for better light effects.
  • the use of the diffusion film 51 further enhances the utilization of light and enhances the brightness.
  • the brightness enhancement film 52 can further enhance the brightness of the light and improve the display effect.
  • the shape and area of the liquid crystal panel 6 and the optical film assembly 5 are the same, and the liquid crystal panel 6 is aligned with the edge of the optical film assembly 5.
  • the direct-lit backlight display module further includes a touch input module disposed on the liquid crystal panel 6, and the touch input module includes a touch input board disposed on the liquid crystal panel 6, and Touch control circuit connected to touch input pad, touch control circuit and main control circuit connection.
  • the touch control circuit can be used to control the touch input board to control the opening, closing and adjusting of the touch input function, so that the direct type backlight display module has an ordinary touch input function.
  • the touch input panel of the touch input module also has good light transmittance, and does not affect the display effect of the direct type backlight display module.
  • the light-emitting structure includes a light bar 3 disposed on the back plate 1 and facing the diffuser plate 4, and a reflective sheet 2 surrounding the bottom side and the circumference side of the light bar 3,
  • the reflection sheet 2 corresponds to the diffusion plate 4.
  • the reflection sheet 2 can reflect part of the exposed light, and reflect the light to the diffusion plate 4, so that the light can be used twice, thereby improving the utilization of the light and improving the brightness. Moreover, the reflection sheet 2 is semi-enclosed on one side of the light bar 3, and the light emitted from the light bar 3 can be sufficiently reflected to better improve the light utilization efficiency.
  • a heat dissipation plate is disposed between the back plate 1 and the light emitting structure.
  • the heat dissipation plate is a nano carbon heat dissipation plate.
  • the nano-carbon material has a photo-thermal conversion effect, which can convert thermal energy into light energy, and can also convert light energy into heat energy, which not only can improve the heat dissipation effect, but also improve the brightness of the display module.
  • the embodiment of the present invention further provides a terminal device, including the direct type backlight display module of any of the above embodiments.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种直下式背光显示模组及终端装置，其中，直下式背光显示模组包括背光模组、液晶面板（6）、电磁输入模组以及主控电路，背光模组包括背板（1）、设置于背板（1）上的发光结构，以及与发光结构正对的扩散板（4）；液晶面板（6）设置在扩散板（4）远离发光结构的一侧；电磁输入模组包括打印在扩散板（4）上的电磁线路；背光模组、液晶面板（6）以及电磁线路均与主控电路连接。通过在扩散板（4）上打印出电磁线路，使得成本较低的直下式背光显示模组上也能集成电磁输入技术，满足触控的需要，且打印成型的电磁线路与扩散板（4）之间的连接更加紧密。

Description

直下式背光显示模组及终端装置 技术领域
本实用新型涉及显示设备技术领域，尤其涉及一种直下式背光显示模组及包含该直下式背光显示模组的终端装置。
背景技术
传统技术中，液晶显示屏由于具有电磁辐射低、功耗低、发热量少、轻薄等特点，已经成为市面的主流显示器，LED背光显示器也获得广泛的应用。而目前市面上的LED背光显示器根据入光方式，主要分为侧入式和直下式两种。其中，侧入式是将作为背光模组的LED灯串安装在液晶屏的四周，而直下式是将作为背光模组的LED灯串安装在液晶屏的正背面，相对来说直下式背光显示器成本较低应用更广泛。
随着输入技术和显示技术的发展，将常用的液晶显示器和触控装置相结合是市场的发展趋势。而且，市场对触控输入的体验要求也越来越高，如越来越追求原笔迹手写输入效果，因此电磁屏技术得到了广泛应用。但是，对于直下式的LED背光显示器(DLED)，由于其光源设置于液晶屏的正背面，将电磁屏安装于液晶屏上时，会严重影响光源对液晶屏的作用效果。如果将DLED的电磁屏模仿侧入式的LED背光显示器(ELD)方式置于反射片与导光板间，则会出现以下两个问题：1、灯条上的电路会对电磁波有干扰；2、电磁屏与书写表面距离太远，这两个问题都会降低书写效果。
实用新型内容
本实用新型实施例的目的在于提供一种直下式背光显示模组及终端装置，其可以将电磁触控输入一体化融合到直下式背光显示模组中。
为达上述目的，本实用新型实施例采用以下技术方案：
一方面，提供一种直下式背光显示模组，包括：
背光模组，所述背光模组包括背板、设置于所述背板上的发光结构，以及与所述发光结构正对的扩散板；
液晶面板，所述液晶面板设置在所述扩散板远离所述发光结构的一侧；
电磁输入模组，所述电磁输入模组包括打印在所述扩散板上的电磁线路；
主控电路，所述背光模组、所述液晶面板以及所述电磁线路均与所述主控电路连接。
作为直下式背光显示模组的优选方案，所述扩散板靠近所述发光结构的一侧面设置有与所述电磁线路相匹配的凹槽结构，所述电磁线路设置在所述凹槽结构内；或，
所述扩散板靠近所述液晶面板的一侧面设置有与所述电磁线路相匹配的凹槽结构，所述电磁线路设置在所述凹槽结构内。
作为直下式背光显示模组的优选方案，所述电磁线路远离所述凹槽结构的槽底的一侧与所述凹槽结构的槽口平齐。
作为直下式背光显示模组的优选方案，所述扩散板与所述液晶面板之间设置光学膜片组件，所述光学膜片组件包括依次叠设在所述扩散板上的扩散膜和增光膜。
作为直下式背光显示模组的优选方案，所述液晶面板与所述光学膜片组件的形状和面积均相同，且所述液晶面板与所述光学膜片组件的边缘对齐。
作为直下式背光显示模组的优选方案，还包括设置于所述液晶面板上的触 摸输入模组，所述触摸输入模组包括设置于所述液晶面板上的触摸输入板，以及与所述触摸输入板连接的触摸控制电路，所述触摸控制电路与所述主控电路连接。
作为直下式背光显示模组的优选方案，所述发光结构包括设置于所述背板上并与所述扩散板正对的灯条，以及围设于所述灯条底侧和周侧的反射片，所述反射片与所述扩散板对应。
作为直下式背光显示模组的优选方案，所述背板与所述发光结构之间设置散热板。
作为直下式背光显示模组的优选方案，所述散热板为纳米碳散热板。
另一方面，还提供一种终端装置，包括如上所述的直下式背光显示模组。
本实用新型实施例的有益效果为：通过在扩散板上打印出电磁线路，使得成本较低的直下式背光显示模组上也能集成电磁输入技术，满足触控的需要，且打印成型的电磁线路与扩散板之间的连接更加紧密。
附图说明
下面根据附图和实施例对本实用新型作进一步详细说明。
图1为本实用新型实施例的直下式背光显示模组的剖视示意图。
图中：
1、背板；2、反射片；3、灯条；4、扩散板；5、光学膜片组件；51、扩散膜；52、增光膜；6、液晶面板；7、钢化玻璃。
具体实施方式
下面结合附图并通过具体实施方式来进一步说明本实用新型的技术方案。
如图1所示，本实用新型实施例提供的直下式背光显示模组，包括背光模组、液晶面板6、电磁输入模组以及主控电路，其中，背光模组包括背板1、设置于背板1上的发光结构，以及与发光结构正对的扩散板4，液晶面板6设置在扩散板4远离发光结构的一侧，电磁输入模组包括打印在扩散板4上的电磁线路，背光模组、液晶面板6以及电磁线路均与主控电路连接。通过在扩散板4上打印出电磁线路，使得成本较低的直下式背光显示模组上也能集成电磁输入技术，满足触控的需要，且打印成型的电磁线路与扩散板4之间的连接更加紧密。
具体的，背板1为整个背光模组提供安装基础，其可以采用金属制成，当背板1采用金属制成时，不仅支撑强度高，还可以提高发光结构的散热效果，发光结构会发出光线照射液晶面板6，在液晶面板6远离发光结构的一侧设置有钢化玻璃7，钢化玻璃7用于保护液晶面板6。
在本实施例中，扩散板4采用PS制成，且厚度为1～2mm，扩散板4可雾化光源，提升画面均匀性，另外，扩散板4还具有一定的刚性，可以支撑打印在扩散板4上的电磁线路。
PS板即聚苯乙烯板，俗称“有机板”，英文名称Polystyene，密度为1.02～1.08，其是一种热塑性塑料，透明度比较高(透光率仅次于有机玻璃)，有优良的电绝缘性，高频绝缘性尤佳，质较脆，抗冲击性，能耐一般的化学腐蚀，化学性质稳定，硬度与有机玻璃相若，吸水率及热膨胀系数小于有机玻璃，价格较有机玻璃低廉。
在其他实施例中，扩散板4还可以采用亚克力、PET或者PC制成。
亚克力，又叫PMMA或亚加力，源自英文acrylic(丙烯酸塑料)。化学名称为聚甲基丙烯酸甲酯，是一种开发较早的重要可塑性高分子材料，具有较好的 透明性、化学稳定性和耐候性、易染色、易加工、外观优美，在建筑业中有着广泛的应用。
PET即聚对苯二甲酸乙二醇酯，其是热塑性聚酯中最主要的品种，英文名为Polyethylene terephthalate，PET是乳白色或浅黄色高度结晶性的聚合物，表面平滑而有光泽。PET具有以下优点：(1)耐蠕变、耐抗疲劳性、耐磨擦和尺寸稳定性好，磨耗小而硬度高，具有热塑性塑料中最大的韧性；(2)电绝缘性能好，受温度影响小；(3)无毒、耐气候性、抗化学药品稳定性好，吸水率低。
PC板是以聚碳酸酯为主要成分，采用共挤压技术CO-EXTRUSION而成的一种高品质板材。PC板具有以下特性：(1)透光性：PC板透光率最高可达89％，可与玻璃相妣美；(2)抗撞击：撞击强度是普通玻璃的250-300倍，同等厚度亚克力板的30倍，是钢化玻璃的2-20倍，采用3kg重锤由两米坠至PC板上也无裂痕，有“不碎玻璃”和“响钢”的美称；(3)防紫外线：PC板一面镀有抗紫外线(UV)涂层，另一面具有抗冷凝处理，集抗紫外线、隔热防滴露功能于一身，可阻挡紫外线穿过，即适合保护贵重艺术品及展品，使其不受紫外线破坏；(4)重量轻：比重仅为玻璃的一半，节省运输、搬卸、安装以及支撑框架的成本；(5)阻燃：国家标准GB50222-95确认，PC板为难燃一级，即B1级，PC板自身燃点是580摄氏度，离火后自熄，燃烧时不会产生有毒气体，不会助长火势的蔓延；(6)可弯曲性：可依设计图在工地现场采用冷弯方式，安装成拱形，半圆形顶和窗。最小弯曲半径为采用板厚度的175倍，亦可热弯；(7)隔音性：PC板隔音效果明显，比同等厚度的玻璃和亚克力板有更佳的音响绝缘性，在厚度相同的条件下，PC板的隔音量比玻璃提高3-4DB，在国际上是高速公路隔音屏障的首选材料；(8)节能性：夏天保凉，冬天保温，PC板有更低于普通玻璃和其它塑料的热导率(K值)，隔热效果比同等玻璃高7％-25％，PC板的隔热最高 49％，从而使热量损失大大降低，用于有暖设备的建筑，属环保材料；(9)温度适应性：PC板在-100℃时不发生冷脆，在135℃时不软化，在恶劣的环境中其力学，机械性能等均无明显变化。
在本实用新型的一个优选的实施例中，扩散板4靠近发光结构的一侧面设置有与电磁线路相匹配的凹槽结构，电磁线路设置在凹槽结构内；或，扩散板4靠近液晶面板6的一侧面设置有与电磁线路相匹配的凹槽结构，电磁线路设置在凹槽结构内。
在本实施例中，电磁线路远离凹槽结构的槽底的一侧与凹槽结构的槽口平齐。
通过预先在扩散板4上设置凹槽结构，凹槽结构在扩散板4上分布形状与电磁线路的结构一致，再将电磁线路打印在此凹槽结构内，即将电磁线路隐藏在扩散板4内，不需要额外占用空间，便于设备的薄型化设计。
在本实用新型另一个优选的实施例中，扩散板4与液晶面板6之间设置光学膜片组件5，光学膜片组件5包括依次叠设在扩散板4上的扩散膜51和增光膜52。
光学膜片组件5可以对光线进行进一步的处理，获得更好的光线效果。利用扩散膜51进一步提升光的利用率并提升亮度。此外利用增光膜52可以进一步地增强光线亮度，提升显示效果。
在本实施例中，液晶面板6与光学膜片组件5的形状和面积均相同，且液晶面板6与光学膜片组件5的边缘对齐。
在本实用新型的又一个优选的实施例中，直下式背光显示模组还包括设置于液晶面板6上的触摸输入模组，触摸输入模组包括设置于液晶面板6上的触摸输入板，以及与触摸输入板连接的触摸控制电路，触摸控制电路与主控电路 连接。
利用触摸控制电路可以对触摸输入板进行控制，以控制触摸输入功能的开启、关闭及调节，使得直下式背光显示模组具有普通的触摸输入功能。且触摸输入模组的触摸输入板也具有良好的透光性，也不会影响直下式背光显示模组的显示效果。
在本实用新型的一个具体的实施例中，发光结构包括设置于背板1上并与扩散板4正对的灯条3，以及围设于灯条3底侧和周侧的反射片2，反射片2与扩散板4对应。
反射片2可以对部分外露光线进行反射，反射光线到扩散板4，让光线得到二次利用，从而提升光的利用率，提升亮度。且，将反射片2半包围式设置于灯条3的一侧，可以对此灯条3发出的光线进行充分的反射，更好地提高光线利用率。
为了提高灯条3的散热效果，背板1与发光结构之间设置散热板。优选的，所述散热板为纳米碳散热板。纳米碳材料具有光热转换效应，可以将热能转换成光能，也可以将光能转换成热能，不仅可以提高散热效果，还能提高显示模组的光亮度。
本实用新型实施例还提供一种终端装置，包括如上任意实施例的直下式背光显示模组。
需要声明的是，上述具体实施方式仅仅为本实用新型的较佳实施例及所运用技术原理，在本实用新型所公开的技术范围内，任何熟悉本技术领域的技术人员所容易想到的变化或替换，都应涵盖在本实用新型的保护范围内。
以上通过具体的实施例对本实用新型进行了说明，但本实用新型并不限于这些具体的实施例。本领域技术人员应该明白，还可以对本实用新型做各种修 改、等同替换、变化等等。但是，这些变换只要未背离本实用新型的精神，都应在本实用新型的保护范围之内。另外，本申请说明书和权利要求书所使用的一些术语并不是限制，仅仅是为了便于描述。此外，以上多处的“一个实施例”、“另一个实施例”等表示不同的实施例，当然也可以将其全部或部分结合在一个实施例中。

Claims (10)

  1. 一种直下式背光显示模组，其特征在于，包括：
    背光模组，所述背光模组包括背板、设置于所述背板上的发光结构，以及与所述发光结构正对的扩散板；
    液晶面板，所述液晶面板设置在所述扩散板远离所述发光结构的一侧；
    电磁输入模组，所述电磁输入模组包括打印在所述扩散板上的电磁线路；
    主控电路，所述背光模组、所述液晶面板以及所述电磁线路均与所述主控电路连接。
  2. 根据权利要求1所述的直下式背光显示模组，其特征在于，所述扩散板靠近所述发光结构的一侧面设置有与所述电磁线路相匹配的凹槽结构，所述电磁线路设置在所述凹槽结构内；或，
    所述扩散板靠近所述液晶面板的一侧面设置有与所述电磁线路相匹配的凹槽结构，所述电磁线路设置在所述凹槽结构内。
  3. 根据权利要求2所述的直下式背光显示模组，其特征在于，所述电磁线路远离所述凹槽结构的槽底的一侧与所述凹槽结构的槽口平齐。
  4. 根据权利要求3所述的直下式背光显示模组，其特征在于，所述扩散板与所述液晶面板之间设置光学膜片组件，所述光学膜片组件包括依次叠设在所述扩散板上的扩散膜和增光膜。
  5. 根据权利要求1至4任一项所述的直下式背光显示模组，其特征在于，所述液晶面板与所述光学膜片组件的形状和面积均相同，且所述液晶面板与所述光学膜片组件的边缘对齐。
  6. 根据权利要求1至4任一项所述的直下式背光显示模组，其特征在于，还包括设置于所述液晶面板上的触摸输入模组，所述触摸输入模组包括设置于所述液晶面板上的触摸输入板，以及与所述触摸输入板连接的触摸控制电路， 所述触摸控制电路与所述主控电路连接。
  7. 根据权利要求1至4任一项所述的直下式背光显示模组，其特征在于，所述发光结构包括设置于所述背板上并与所述扩散板正对的灯条，以及围设于所述灯条底侧和周侧的反射片，所述反射片与所述扩散板对应。
  8. 根据权利要求1至4任一项所述的直下式背光显示模组，其特征在于，所述背板与所述发光结构之间设置散热板。
  9. 根据权利要求8所述的直下式背光显示模组，其特征在于，所述散热板为纳米碳散热板。
  10. 一种终端装置，其特征在于，包括权利要求1至9任一项所述的直下式背光显示模组。
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