CN107878202A - 一种具有透明窗口的段码液晶显示仪表 - Google Patents

一种具有透明窗口的段码液晶显示仪表 Download PDF

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CN107878202A
CN107878202A CN201711216185.XA CN201711216185A CN107878202A CN 107878202 A CN107878202 A CN 107878202A CN 201711216185 A CN201711216185 A CN 201711216185A CN 107878202 A CN107878202 A CN 107878202A
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王文博
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HEILONGJIANG TYW ELECTRONICS Ltd
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Abstract

本发明属于车辆仪表技术领域，具体涉及一种具有透明窗口的段码液晶显示仪表。本发明的目的是解决现有段码屏与TFT液晶屏结合时，双层屏幕显示会有部分重叠，导致显示不清的问题。本发明包括第一显示区、窗口区和第二显示区，窗口区位于第一显示区和第二显示区之间，第一显示区设有发动机转速指示格、示位指示灯、安全带指示灯和左转向指示灯，第二显示区设有车速指示格、发动机故障指示灯、雾灯和右转向指示灯；窗口区包括N×M个显示子单元，内部的电路结构具有显示和透光两个驱动电路接口，能够进行透光模式和显示模式的切换；在透光模式下，窗口区为透明，在显示模式下，显示特定的图案。本发明可与TFT液晶显示器结合，应用于车辆仪表中。

Description

一种具有透明窗口的段码液晶显示仪表
技术领域
本发明属于车辆仪表技术领域，具体而言，涉及一种具有透明窗口的段码液晶显示仪表。
背景技术
随着车辆的智能化、娱乐化程度越来越高，车辆的段码屏和彩色液晶屏组合仪表朝大屏、人机交互的方向发展，段码屏无法显示动态效果，如果要实现动态显示，必须使用TFT液晶屏，但是TFT(Thin Film Transistor，薄膜晶体管)液晶屏仪表的成本较高，开发周期长，严重影响整车的研发周期和生产成本，制约了人机交互界面在中低端车型上的运用，现有的技术将段码屏与TFT液晶屏结合，但是这种双层屏幕显示会部分重叠，导致显示不清。
发明内容
本发明针对现有段码屏与TFT液晶屏结合时，双层屏幕显示会有部分重叠，导致显示不清，制约了人机交互界面在中低端车型上应用的问题，提出一种具有透明窗口的段码液晶显示仪表。
本发明的目的是这样实现的：一种具有透明窗口的段码液晶显示仪表，包括：第一显示区、窗口区和第二显示区，所述窗口区位于第一显示区和第二显示区之间，所述第一显示区设有发动机转速指示格、示位指示灯、安全带指示灯和左转向指示灯，所述第二显示区设有车速指示格、发动机故障指示灯、雾灯和右转向指示灯；
所述窗口区包括N×M个显示子单元，内部的电路结构具有显示和透光两个驱动电路接口，能够进行透光模式和显示模式的切换；
在透光模式下，所述N×M个显示子单元均为透光状态，整个窗口区为透明，在显示模式下，一部分显示子单元为透光，另一部分为不透光，显示特定的图案。
进一步地，所述第一显示区的尺寸为L1，所述第二显示区的尺寸为L2，所述透光区的尺寸为L3，且满足L3≥L1+L2。
进一步地，所述第一显示区的尺寸为L1，所述第二显示区的尺寸为L2满足条件L1＝L2，且所述第一显示区与第二显示区镜像对称。
进一步地，所述窗口区的宽度d1与窗口区右端到第一显示区左端的垂直距离d2的比值为0.618；所述窗口区的宽度d1与窗口区左端到第二显示区(1)右端的垂直距离d3的比值为0.618。
有益效果：
第一，本发明的具有透明窗口的段码液晶显示仪表包括第一显示区、窗口区和第二显示区，所述窗口区位于第一显示区和第二显示区之间，提供了一种可以与TFT液晶显示屏相结合的段码液晶显示仪表，避免两种显示屏结合时，出现显示重叠的问题。
第二，本发明的具有透明窗口的段码液晶显示仪表窗口区有透光和显示两种模式，与TFT液晶屏组合使用时，窗口区为透光状态，单独使用时，窗口区可以显示特定内容，功能更加多样化。
附图说明
图1本发明的结构图；
其中，1-第一显示区，2-窗口区，3-第二显示区；
图2本发明的透光的显示子单元的驱动波形图；
图3本发明的不透光的显示子单元的驱动波形图；
图4本发明的尺寸比例示意图；
具体实施方式
具体实施方式1：结合图1～图3说明本实施方式，本实施方式的具有透明窗口的段码液晶显示仪表如图1所示，包括：：第一显示区1、窗口区2和第二显示区3，所述窗口区2位于第一显示区1和第二显示区3之间，所述第一显示区设有发动机转速指示格，所述第二显示区设有车速指示格，其中转速指示格为16个，数值从0至8，每半个转速单位为一格，车速指示格为24个，数值从0至240，每10个速度的单位为一格。
本实施方式的具有透明窗口的段码液晶显示仪表，所述第一显示区还包括示位指示灯、安全带指示灯和左转向指示灯，所述第二显示区3还包括发动机故障指示灯、雾灯和右转向指示灯。
本实施方式的具有透明窗口的段码液晶显示仪表，所述窗口区2内部的电路结构具有显示和透光两个驱动电路接口，能够进行透光模式和显示模式的切换。
本实施方式的具有透明窗口的段码液晶显示仪表，所述窗口区2包括N×M个显示子单元，在透光模式下，所述N×M个显示子单元均为透光状态，整个窗口区2为透明，在显示模式下，一部分显示子单元为透光，另一部分为不透光，显示特定的图案，图2为透光的显示子单元的驱动波形图，图3为不透光的显示子单元的驱动波形图。
具体实施方式2：本实施方式的具有透明窗口的段码液晶显示仪表，所述第一显示区的尺寸为L1，所述第二显示区的尺寸为L2，所述窗口区2的尺寸为L3，且满足L3≥L1+L2，这样设计的优点是避免窗口区2的尺寸过小，导致驾驶员看不清窗口区2后的TFT屏幕上显示的内容的问题。
具体实施方式3：本实施方式的具有透明窗口的段码液晶显示仪表，在具体实施方式4的基础上进一步限定，所述第一显示区1的尺寸为L1，所述第二显示区2的尺寸为L2满足条件L1＝L2，且所述第一显示区1与第二显示区2镜像对称，这样设计的优点是使本实施方式的具有透明窗口的段码液晶显示仪表得结构具有对称美，达到更好的美学效果。
具体实施方式4：本实施方式的具有透明窗口的段码液晶显示仪表，在具体实施方式5的基础上进一步限定，所述窗口区2的宽度d1与窗口区2右端到第一显示区1左端的垂直距离d2的比值为0.618；所述窗口区2的宽度d1与窗口区2左端到第二显示区1右端的垂直距离d3的比值为0.618，如图4所示，满足黄金分割比，使驾驶员观察仪表时达到最佳的视觉效果。
本发明实施例的具有透明窗口的段码液晶显示仪表，可以与TFT液晶屏组合使用，可以在实现人机交互及全液晶显示的基础上大幅降低段码屏和彩色液晶屏组合仪表的生产成本，且段码屏和彩色液晶屏组合仪表的外形完整，显示清晰。
在本发明的描述中，需要理解的是，术语“左”、“右”、等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (4)

1.一种具有透明窗口的段码液晶显示仪表，其特征在于，包括：第一显示区(1)、窗口区(2)和第二显示区(3)，所述窗口区(2)位于第一显示区(1)和第二显示区(3)之间，所述第一显示区(1)设有发动机转速指示格、示位指示灯、安全带指示灯和左转向指示灯，所述第二显示区(3)设有车速指示格、发动机故障指示灯、雾灯和右转向指示灯；
所述窗口区(2)包括N×M个显示子单元，内部的电路结构具有显示和透光两个驱动电路接口，能够进行透光模式和显示模式的切换；
在透光模式下，所述N×M个显示子单元均为透光状态，整个窗口区(2)为透明，在显示模式下，一部分显示子单元为透光，另一部分为不透光，显示特定的图案。
2.根据权利要求1所述的具有透明窗口的段码液晶显示仪表，其特征在于，所述第一显示区(1)的尺寸为L1，所述第二显示区(3)的尺寸为L2，所述透光区的尺寸为L3，且满足L3≥L1+L2。
3.根据权利要求2所述的具有透明窗口的段码液晶显示仪表，其特征在于，所述第一显示区(1)的尺寸为L1，所述第二显示区(3)的尺寸为L2满足条件L1＝L2，且所述第一显示区(1)与第二显示区(3)镜像对称。
4.根据权利要求3所述的具有透明窗口的段码液晶显示仪表，其特征在于，所述窗口区(2)的宽度d1与窗口区(2)右端到第一显示区(1)左端的垂直距离d2的比值为0.618；所述窗口区(2)的宽度d1与窗口区(2)左端到第二显示区(1)右端的垂直距离d3的比值为0.618。
CN201711216185.XA 2017-11-28 2017-11-28 一种具有透明窗口的段码液晶显示仪表 Pending CN107878202A (zh)

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