Driving circuit of vacuum fluorescent display

• Main Authors: SHIGEKI SHUJI, KIMURA KOWASHI, ARAI HIROYUKI
• Format: Patent
• Language: Chinese; English
• Published: 29.09.2004
• Edition: 7
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CRYPTOGRAPHY; DISPLAY; EDUCATION; PHYSICS; SEALS

公开了一种真空荧光显示器的驱动电路，以脉冲电压脉冲驱动所述真空荧光显示器的灯丝。所述驱动电路包括：检测单元，用于检测脉冲电压电平被固定，所述检测单元输出表示检测结果的检测信号。优选地，所述驱动电路包括控制单元，用于控制所述灯丝驱动单元、所述栅格驱动单元和所述分段驱动单元的输出中的至少一个输出，以便根据所述检测信号，终止对所述灯丝、所述栅格电极和所述分段电极中的至少一个的驱动。 A driving circuit for a vacuum fluorescent display for pulse-driving a filament of the vacuum fluorescent display with a pulse voltage. The driving circuit comprises a detecting unit for detecting that the level of the pulse voltage is fixed, and outputs a detection signal indicative of the result of the detection. Preferably, the driving circuit comprises a control unit for controlling at least one output of the outputs of the filament driving unit, the grid driving unit and the segment driving unit in order to terminate the driving of at least one of the filament, the grid electrode and the segment electrode, based on the detection signal.