Liquid crystal display device

Abstract

Abstract PURPOSE:To allow packaging of an LSI chip on a display panel without connecting the multilayered wirings on the display panel or a flexible printed circuit (FPC) for wiring to the outside of the panel, etc., by having 1st electrodes formed on the substrate of a driving circuit part and 2nd electrodes which are formed on the flexible circuit board and faced to a part of the 1st electrodes and joining the other ends of the 2nd electrodes and the 1st electrodes by conductive members. CONSTITUTION:The FPC is formed of a resin sheet 2 and the electrodes 4 formed on the surface thereof. The ends on one side of the electrodes 4 on the FPC are connected to a bump 7 on the LSI chip and the other ends are connected to the electrodes 5 formed on the display panel 3. Insulating layers 6 are provided between the electrodes 4 of the FPC and the electrodes 5 on the display panel in at least the part where the electrodes 4 on the FPC and the electrodes 5 on the display panel come into contact with each other to hinder the normal operation of the LSI chip 1, so that the normal operation of the LSI chip 1 is executed. The transmission of driving signals to the next LSI chip is possible in this way without using the multilayered wirings on the display panel or the board for wiring to the external part of the panel, FPC heat sealing, etc.

Inventors

• 👤 Jun Takeuchi
• 👤 順 竹内

Bibliographic Details