Sharp Kabushiki Kaisha Corporation

Hozumi Nishimura

Naoko Kondoh

Toshiyuki Gotoh

It is expected to provide an image display apparatus and image display method that can reduce the risk that an image quality is undermined due to a halo phenomenon caused by the leak of light passing through a non-corresponding color filter from a LED. The image display apparatus can respectively control luminous efficiencies of plural color LEDs, i.e., R-LED (), G-LED () and B-LED () that emit light through a color filter to a displaying unit. The image display apparatus obtains luminous efficiencies for a frame of RGB image signal (S), calculates a light leak amount and then detects whether the halo phenomenon may occur or not (S-S). When the halo phenomenon is considered to occur, the luminous efficiencies of LEDs () included in the liquid crystal display apparatus are controlled to make the light from the LEDs () become close to white light (S).

Growing community of inventors

Osaka, Japan

Hozumi Nishimura