Patent ID: 9097920
Filing Date: 2015-08-04
Classification: G02F

Abstract:
1. A display device, comprising: a substrate having a display region so that signal lines formed within the display region are connected to respective terminals in a terminal group formed outside the display region via terminal wires; and an IC driver having bumps respectively facing and being connected to the terminals via an isotropic conductive film; wherein the terminal wires have a first terminal wire, a second terminal wire, a third terminal wire, and a fourth terminal wire, the terminals have a first terminal connected to the first terminal wire, a second terminal connected to the second terminal wire, a third terminal connected to the third terminal wire, and a fourth terminal connected to the fourth terminal wire, the first terminal and the second terminal are staggered with respect to each other, the second terminal and the third terminal are staggered with respect to each other, and the third terminal and the fourth terminal are staggered with respect to each other; wherein the first terminal, the second terminal, the third terminal, and the fourth terminal respectively have a wide portion and a narrow portion which is narrower than the wide portion, the first terminal and the third terminal are adjacent to each other in the direction perpendicular to the direction in which the terminal wires run, the second terminal and the fourth terminal are adjacent to each other in the direction perpendicular to the direction in which the terminal wires run; wherein the first terminal, the second terminal, the third terminal, and the fourth terminal are formed of a transparent conductive film; wherein the bumps of the IC driver have a first bump connected to the first terminal via the isotropic conductive film, a second pump connected to the second terminal via the isotropic conductive film, a third bump connected to the third terminal via the isotropic conductive film, and a fourth bump connected to the fourth terminal via the isotropic conductive film; the substrate includes the display region, a first region comprising the IC driver, the terminal wires, the terminals, and the bumps of the IC driver, a second region comprising TFT switches for inspection, and a third region comprising inspection wires; wherein the display region, the first region, the second region, and the third region are arranged in this order; wherein the TFT switches for inspection include a first TFT switch for inspection connected to the first terminal wire, a second TFT switch for inspection connected to the second terminal wire, a third TFT switch for inspection connected to the third terminal wire, a fourth TFT switch for inspection connected to the fourth terminal wire; and wherein the inspection wires include a first inspection wire electrically connected to the first TFT switch, a second inspection wire electrically connected to the second TFT switch, a third inspection wire electrically connected to the third TFT switch, and a fourth inspection wire electrically connected to the fourth TFT switch.