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    • 21. 发明公开
    • A CONTROL UNIT FOR A SEGMENT LIQUID CRYSTAL DISPLAY AND A METHOD THEREOF
    • STEUEREINHEITFÜREINE SEGMENTIERTEFLÜSSIGKRISTALLANZEIGEUND VERFAHRENDAFÜR
    • EP3061083A4
    • 2017-05-31
    • EP13896078
    • 2013-10-21
    • NXP USA INC
    • FELLINGER VIKTORSINGER STEFAN
    • G09G3/36G02F1/133G09G3/20
    • G09G3/3629G02F1/13306G02F1/134327G09G3/04G09G3/2014G09G3/2025G09G2310/0243G09G2310/06G09G2320/0242G09G2320/066G09G2330/028
    • A unit (10; 11; 12; 13) used to control a segment liquid crystal display (15; 16). The segment liquid crystal display (15; 16) includes at least a backplane electrode (20) and at least a front plane electrode (25) both associated with a same segment of the segment liquid crystal display (15; 16). The unit (10; 11; 12; 13) includes a controller (30; 40; 50) in order to generate a pulse-width- modulated control signal (35) that has two voltage levels and a variable duty cycle. The unit (10; 1; 12; 13) further includes an integrator (60; 61) to integrate the pulse-width-modulated control signal (35) and to provide an integrated control signal (90) which has more than two discrete voltage levels corresponding to different variable duty cycle values. An output of the unit (10; 11; 2; 13) supplies the integer) rated control signal (90) to the at least a backplane electrode (20) or to the at least a front plane electrode (25) so that visibility of the same segment in the segment liquid crystal display (15; 16) can be controlled. By having a pulse-width-modulated control signal (35) with only two voltage levels and different duty cycle values generated by the controller (30; 40; 50), and by having the integrator (60; 61) integrating said pulse-width-modulated control signal (35), more than two different discrete voltage levels are generated to control the at least a backplane electrode (20) or at least a front plane electrode (25) without the need to use an application specific segment liquid crystal interface in the unit (10; 11; 12; 13), thereby abating the cost of implementation of the unit (10; 11; 12; 13).
    • 一种用于控制分段液晶显示器(15; 16)的单元(10; 11; 12; 13)。 段液晶显示器(15; 16)包括至少一个底板电极(20)和至少一个与段液晶显示器(15; 16)的同一段相关的前平面电极(25)。 单元(10; 11; 12; 13)包括控制器(30; 40; 50),以便生成具有两个电压电平和可变占空比的脉宽调制控制信号(35)。 单元(10; 1; 12; 13)还包括积分器(60; 61),用于积分脉宽调制控制信号(35)并提供具有多于两个分立电压 电平对应于不同的可变占空比值。 所述单元(10; 11; 2; 13)的输出将所述整数)额定控制信号(90)提供给所述至少一个背板电极(20)或所述至少一个前板电极(25) 可以控制段液晶显示器(15; 16)中的相同段。 通过具有仅由控制器(30; 40; 50)产生的两个电压电平和不同占空比值的脉宽调制控制信号(35),并且通过使积分器(60; 61)将所述脉宽 调制的控制信号(35)中,产生多于两个不同的离散电压电平以控制至少一个底板电极(20)或至少一个前平面电极(25),而不需要使用专用部分液晶界面 在单元(10; 11; 12; 13)中,由此减少单元(10; 11; 12; 13)的实施成本。
    • 22. 发明公开
    • A CONTROL UNIT FOR A SEGMENT LIQUID CRYSTAL DISPLAY AND A METHOD THEREOF
    • STEUEREINHEITFÜREINE SEGMENTIERTEFLÜSSIGKRISTALLANZEIGEUND VERFAHRENDAFÜR
    • EP3061083A1
    • 2016-08-31
    • EP13896078.6
    • 2013-10-21
    • Freescale Semiconductor, Inc.
    • FELLINGER, ViktorSINGER, Stefan
    • G09G3/36G02F1/133
    • G09G3/3622G02F1/13306G02F1/134327G09G3/04G09G3/2014G09G3/2025G09G3/3629G09G2310/0243G09G2310/06G09G2320/0242G09G2320/066G09G2330/028
    • A unit (10; 11; 12; 13) used to control a segment liquid crystal display (15; 16). The segment liquid crystal display (15; 16) includes at least a backplane electrode (20) and at least a front plane electrode (25) both associated with a same segment of the segment liquid crystal display (15; 16). The unit (10; 11; 12; 13) includes a controller (30; 40; 50) in order to generate a pulse-width- modulated control signal (35) that has two voltage levels and a variable duty cycle. The unit (10; 1; 12; 13) further includes an integrator (60; 61) to integrate the pulse-width-modulated control signal (35) and to provide an integrated control signal (90) which has more than two discrete voltage levels corresponding to different variable duty cycle values. An output of the unit (10; 11; 2; 13) supplies the integer) rated control signal (90) to the at least a backplane electrode (20) or to the at least a front plane electrode (25) so that visibility of the same segment in the segment liquid crystal display (15; 16) can be controlled. By having a pulse-width-modulated control signal (35) with only two voltage levels and different duty cycle values generated by the controller (30; 40; 50), and by having the integrator (60; 61) integrating said pulse-width-modulated control signal (35), more than two different discrete voltage levels are generated to control the at least a backplane electrode (20) or at least a front plane electrode (25) without the need to use an application specific segment liquid crystal interface in the unit (10; 11; 12; 13), thereby abating the cost of implementation of the unit (10; 11; 12; 13).
    • 用于控制分段液晶显示器(15; 16)的单元(10; 11; 12; 13)。 分段液晶显示器(15; 16)至少包括背板电极(20)和至少一个与分段液晶显示器(15; 16)的同一段相关联的正面电极(25)。 单元(10; 11; 12; 13)包括控制器(30; 40; 50),以便产生具有两个电压电平和可变占空比的脉冲宽度调制控制信号(35)。 单元(10; 1; 12; 13)还包括积分器(60; 61),用于对脉冲宽度调制的控制信号(35)进行积分并提供具有多于两个离散电压的集成控制信号(90) 水平对应于不同的可变占空比值。 单元(10; 11; 2; 13)的输出将整数)额定控制信号(90)提供给至少一个背板电极(20)或至少一个前平面电极(25),使得可见度 可以控制段液晶显示器(15; 16)中的相同的段。 通过具有仅由控制器(30; 40; 50)产生的两个电压电平和不同占空比值的脉冲宽度调制控制信号(35),并且通过使积分器(60; 61)将所述脉冲宽度 产生多于两个不同的离散电压电平以控制至少一个背板电极(20)或至少一个前平面电极(25),而不需要使用专用分段液晶接口 在单位(10; 11; 12; 13)中,从而减少执行单位的费用(10; 11; 12; 13)。