Light-on aging test system for flat panel display
View Patent ↗A light-on aging test system electrically connected with a plurality of flat panel displays for conducting aging test to the flat panel displays, which includes at least a signal generator for generating a power signal and a first control signal, at least a signal regulating circuit electrically connected with the signal generator for regulating the first control signal into a second control signal according to an examination condition, and a voltage boosting circuit electrically connected with the signal regulating circuit for boosting the signal level and driving capability of the power signal and the second control signal. The boost power signal is outputted to drive the flat panel displays and the second control signal is inputted to the flat panel displays to perform light-on aging test to the flat panel displays.
1. A light-on aging test system electrically connected with a plurality of flat panel displays for conducting light-on aging test to the plurality of flat panel displays, the light-on aging test system comprising:
a signal generator for generating a power signal and a first control signal;
at least a signal regulating circuit electrically connected with the signal generator for regulating the first control signal into a second control signal according to an examination condition; and
at least a voltage boosting circuit electrically connected with the signal regulating circuit for boosting a signal level and driving capability of the power signal and the second control signal, and further drives the plurality of flat panel displays by boosted power signal and performs an light-on aging test to the plurality of flat panel displays by the second control signal.
2. The light-on aging test system of claim 1 wherein the signal generator is a field programmable gate array device.
3. The light-on aging test system of claim 1 wherein the signal generator further provides with a first reference signal as a reference for internal circuits of the plurality of flat panel displays.
4. The light-on aging test system of claim 3 wherein the signal regulating circuit includes an operational amplifying circuit for regulating the first control signal into a second control signal.
5. The light-on aging test system of claim 1 wherein the signal regulating circuit further includes a current amplifying circuit to regulate a current gain of the first control signal so as to increase the number of the flat panel displays in which the light-on aging test system is competent to drive.
6. The light-on aging test system of claim 1 wherein the voltage boosting circuit is a DC-to-DC converter.
7. The light-on aging test system of claim 1 wherein the plurality of flat panel displays are low-temperature poly-silicon thin film transistor liquid crystal modules.
8. The light-on aging test system of claim 1 wherein the light-on aging test system is constituted by ten sets of signal regulating circuits and a voltage boosting circuit.
9. The light-on aging test system of claim 8 wherein each signal regulating circuit and voltage boosting circuit are enabled to drive at least six pieces of flat panel displays.