Lighting device and display device
AssigneeSharp Kabushiki Kaisha
InventorMasahiro Arai
Life of this patent
Estimating the term…
Abstract
A lighting device (8), which is provided with a cold cathode fluorescent tube (light source) (9) and a chassis (8a) that houses the cold cathode fluorescent tube (9), includes an inverter circuit (16) that includes a transformer (16a) to be connected to the cold cathode fluorescent tube (9) and drives the cold cathode fluorescent tube (9). The inverter circuit (16) drives the cold cathode fluorescent tube (9) using a frequency higher than a predetermined fundamental frequency during a predetermined period within a period in which the cold cathode fluorescent tube (9) is lit.
Claims5
A lighting device provided with a light source and a chassis that houses the light source, the lighting device comprising:
- an inverter circuit that includes a transformer to be connected to the light source and drives the light source,
- wherein the inverter circuit drives the light source using a frequency higher than a predetermined fundamental frequency during a predetermined period within a period in which the light source is lit.
Dependencies are inferred from the claim text.