CN111312100A - 大型液晶显示屏及调光控制方法 - Google Patents

大型液晶显示屏及调光控制方法 Download PDF

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CN111312100A
CN111312100A CN201911262302.5A CN201911262302A CN111312100A CN 111312100 A CN111312100 A CN 111312100A CN 201911262302 A CN201911262302 A CN 201911262302A CN 111312100 A CN111312100 A CN 111312100A
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liquid crystal
controller
film
crystal display
shell
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蒋昆
刘艳平
唐光松
张启发
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Zhuhai Enotepod Technology Co ltd
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    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/1343—Electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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Abstract

本发明公开了大型液晶显示屏及调光控制方法，大型液晶显示屏包括：支架、外壳、液晶显示膜、控制器、电池、电源模块、充电模块及若干开关；液晶膜中的LED发光膜与控制器之间设有调光驱动模块，用于调节亮度。本发明的有益效果是：能够调节背光亮度，以适应不同场合，方便后面的观众可以看见，结构简单，成本低及使用寿命长的优点。

Description

大型液晶显示屏及调光控制方法
技术领域
本发明涉及大型液晶显示屏技术领域。
背景技术
传统的液晶写字板都不能够进行调节亮度，特别是大型的液晶写字板，在比较远的位置更加不能够看清楚，因此需要根据不同的情况进行调节亮度。
发明内容
本发明所要解决的技术问题是克服现有技术的不足，提供大型液晶显示屏及调光控制方法，其能够调节背光亮度，以适应不同场合，方便后面的观众可以看见，结构简单，成本低及使用寿命长的优点。
本发明所采用的技术方案是：
大型液晶显示屏，其包括：
支架，其包括安装部位、设于安装部位下方的支撑部位及若干设于支撑部位下端的滚轮；
外壳，其固定安装在安装部位，其内部设有第一空腔，其表面设有窗口，窗口连通第一空腔；
液晶显示膜，其安装在第一空腔内部，且其位置与窗口相对应；
控制器，其固定安装在外壳上；
电池，其与控制器电性连接；
电源模块，其与控制器电性连接
充电模块，其与控制器电性连接，其与电池电性连接，其与电源模块电性连接；
若干开关，每个开关均固定安装在外壳上，且与控制器电性连接。
液晶显示膜由若干膜层叠而成，其自上而下依次包括第一电极膜片、液晶膜片、第二电极膜片、导光膜片及LED发光膜；第一电极膜片、第二电极膜片及LED发光膜均与控制器电性连接。
LED发光膜与控制器之间连接有调光驱动模块。
调光控制方法，其应用于所述的大型液晶显示屏，其包括以下步骤：通过开关输入调节亮度的信息，控制器通过调光驱动模块进行调节电流，从而调节LED发光膜的亮度，以适应不同场景。
进一步,所述外壳的下端的空腔内部安装有磁铁，安装部位为铁支撑的安装部位，磁铁吸引安装部位，避免滑落。
进一步，控制器电性连接有光敏传感器和蓝牙通讯模块，蓝牙通讯模块可以与室内的灯具进行无线通讯，当光敏传感器探测到室内光线太亮了，控制器通过蓝牙模块箱灯具发送关闭灯具的命令，避免观众看不到产品中的字体。
本发明的有益效果是：能够调节背光亮度，以适应不同场合，方便后面的观众可以看见，结构简单，成本低及使用寿命长的优点。
附图说明
图1是本发明的产品组装后的侧视原理示意图；
图2是本发明的外壳的结构原理示意图；
图3是本发明的电子控制原理示意图；
图4是本发明液晶膜与调光模块之间的原理示意图。
具体实施方式
如图1、图2、图3、图4所示，本发明大型液晶显示屏，其包括：
支架1，其包括安装部位11、设于安装部位11下方的支撑部位12及若干设于支撑部位12下端的滚轮13；
外壳2，其固定安装在安装部位11，其内部设有第一空腔21，其表面设有窗口22，窗口22连通第一空腔21；
液晶显示膜3，其安装在第一空腔21内部，且其位置与窗口22相对应；
控制器，其固定安装在外壳2上；
电池，其与控制器电性连接；
电源模块，其与控制器电性连接
充电模块，其与控制器电性连接，其与电池电性连接，其与电源模块电性连接；
若干开关，每个开关均固定安装在外壳2上，且与控制器电性连接。
液晶显示膜3由若干膜层叠而成，其自上而下依次包括第一电极膜片33、液晶膜片32、第二电极膜片31、导光膜片30及LED发光膜34；第一电极膜片33、第二电极膜片31及LED发光膜34均与控制器电性连接。
LED发光膜34与控制器之间连接有调光驱动模块。
所述外壳2的下端的空腔内部安装有磁铁，安装部位11为铁支撑的安装部位11，磁铁吸引安装部位11；控制器电性连接有光敏传感器和蓝牙通讯模块。
调光控制方法，其应用于所述的大型液晶显示屏，其包括以下步骤：通过开关输入调节亮度的信息，控制器通过调光驱动模块进行调节电流，从而调节LED发光膜34的亮度，以适应不同场景。
本发明的有益效果是：能够调节背光亮度，以适应不同场合，方便后面的观众可以看见，结构简单，成本低及使用寿命长的优点。

Claims (5)

1.大型液晶显示屏，其特征在于包括：
支架(1)，其包括安装部位(11)、设于安装部位(11)下方的支撑部位(12)及若干设于支撑部位(12)下端的滚轮(13)；
外壳(2)，其固定安装在安装部位(11)，其内部设有第一空腔(21)，其表面设有窗口(22)，窗口(22)连通第一空腔(21)；
液晶显示膜(3)，其安装在第一空腔(21)内部，且其位置与窗口(22)相对应；
控制器，其固定安装在外壳(2)上；
电池，其与控制器电性连接；
电源模块，其与控制器电性连接
充电模块，其与控制器电性连接，其与电池电性连接，其与电源模块电性连接；
若干开关，每个开关均固定安装在外壳(2)上，且与控制器电性连接。
2.根据权利要求1所述的大型液晶显示屏，其特征在于：液晶显示膜(3)由若干膜层叠而成，其自上而下依次包括第一电极膜片(33)、液晶膜片(32)、第二电极膜片(31)、导光膜片(30)及LED发光膜(34)；第一电极膜片(33)、第二电极膜片(31)及LED发光膜(34)均与控制器电性连接。
3.根据权利要求2所述的大型液晶显示屏，其特征在于：LED发光膜(34)与控制器之间连接有调光驱动模块。
4.根据权利要求1所述的大型液晶显示屏，其特征在于：所述外壳(2)的下端的空腔内部安装有磁铁，安装部位(11)为铁支撑的安装部位(11)，磁铁吸引安装部位(11)；控制器电性连接有光敏传感器和蓝牙通讯模块。
5.调光控制方法，其应用于如权利要求1至4所述的大型液晶显示屏，其特征在于包括以下步骤：通过开关输入调节亮度的信息，控制器通过调光驱动模块进行调节电流，从而调节LED发光膜(34)的亮度，以适应不同场景。
CN201911262302.5A 2019-12-11 2019-12-11 大型液晶显示屏及调光控制方法 Pending CN111312100A (zh)

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JP2001194665A (ja) * 2000-01-12 2001-07-19 Auto Network Gijutsu Kenkyusho:Kk 液晶表示装置及びその製造方法
JP2008026688A (ja) * 2006-07-24 2008-02-07 Toshiba Matsushita Display Technology Co Ltd 表示装置
CN202093761U (zh) * 2011-06-29 2011-12-28 福建广丰电子科技有限公司 一种智能液晶数码相框
CN203616952U (zh) * 2013-12-24 2014-05-28 黑龙江农垦职业学院 思想政治宣传移动架
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Application publication date: 20200619