Liquid crystal display module
View Patent ↗A liquid crystal display (LCD) module includes a liquid crystal panel, a backlight assembly to supply light to the liquid crystal panel, at least one first flexible film having first printed circuit patterns, a gate driving integrated circuit (IC) on the first flexible film, at least one ground pad on the first flexible film, and a top case electrically connected to the ground pad.
1. A liquid crystal display (LCD) module, comprising:
a liquid crystal panel;
a backlight assembly to supply light to the liquid crystal panel;
at least one first flexible film having first printed circuit patterns;
a gate driving integrated circuit (IC) on the first flexible film;
at least one ground pad on the first flexible film; and
a top case electrically connected to the ground pad,
wherein the at least one ground pad is disposed on a surface of the first flexible film, and the gate driving IC is disposed on an opposite surface of the first flexible film.
2. The LCD module according to claim 1 , wherein the first flexible film is connected to the liquid display panel, disposed between the top case and a main support of the liquid display panel, and bent in parallel along a sidewall of the main support.
3. The LCD module according to claim 1 , wherein the at least one ground pad is disposed in an area separate from where the printed circuit patterns are formed.
4. The LCD module according to the claim 3 , wherein the at least one ground pad has a triangular shape.
5. The LCD module according to claim 4 , wherein a plurality of the ground pads are symmetrically arranged on the first flexible film about the gate driving IC.
6. The LCD module according to claim 1 , wherein the ground pad faces the top case.
7. The LCD module according to claim 1 , further comprising a conductive tape between the ground pad and the top case to electrically connect the ground pad to the top case.
8. The LCD module according to claim 7 , wherein the conductive tape has adhesive properties to adhere to both the top case and the ground pad.
9. The LCD module according to claim 1 , further comprising at least one second flexible film having second printed circuit patterns, a data driving IC, and a data printing circuit board (PCB) to control the data driving IC.
10. The LCD module according to claim 9 , wherein the data PCB also controls the gate driving IC.
11. The LCD module according to claim 10 , wherein the data PCB is connected to the top case to have a ground connection.
12. The LCD module according to claim 9 , further comprising a grounding path that interconnects the data PCB, the data driving IC and the gate driving IC.
13. The LCD module according to claim 12 , wherein the ground pad is connected to the grounding path.
14. The LCD module according to claim 1 , wherein the backlight assembly includes:
a lamp to emit light;
a reflective plate to reflect the light toward the liquid crystal panel;
a light guide plate disposed over the reflective plate, the light guide plate for receiving and directing the light to the liquid crystal panel;
a diffusion sheet disposed over the light guide plate; and
a plurality of prism sheets disposed over the diffusion sheet.
15. The LCD module according to claim 14 , where the backlight assembly further includes a polarizing sheet between the liquid crystal panel and the top case.
16. The LCD module according to claim 14 , wherein the main support supports the liquid crystal panel and the backlight assembly.
17. The LCD module according to claim 16 , wherein the backlight assembly is disposed between the main support and the liquid crystal panel.
18. A liquid crystal display (LCD) module, comprising:
a liquid crystal panel including two opposite substrates;
a backlight assembly to supply light to the liquid crystal panel;
a first flexible film having first printed circuit patterns and a gate driving integrated circuit (IC) to apply signals to the liquid crystal panel;
a second flexible film having second printed circuit patterns, a data driving IC to apply signals to the liquid crystal panel, a data printing circuit board (PCB) to supply signals to the data driving IC via the second flexible film;
a ground pad on a surface of the first flexible film; and
a top case electrically connected to the ground pad so as to discharge static electricity generated in the liquid crystal panel.
19. The LCD module according to claim 16 , further comprising a conductive tape between the ground pad and the top case to electrically connect the ground pad to the top case.