Transflective display panel

Abstract

The present invention provides a transflective display panel having at least one sub-pixel comprising a reflective region and a transmissive region. The transflective display panel includes a first substrate, a second substrate, a first common electrode disposed on the first substrate and corresponding to the transmissive region, a first insulating layer disposed on the first common electrode, a transparent pixel electrode disposed on the first insulating layer and corresponding to the transmissive region, a reflective pixel electrode disposed on the first substrate and corresponding to the reflective region, a second common electrode disposed on the second substrate and corresponding to the reflective region, and a liquid crystal layer disposed between the first substrate and the second substrate. The transparent pixel electrode comprises at least one strip electrode and at least one gap, and the strip electrode and the gap are alternately arranged.

Claims

1. A transflective display panel having at least one sub-pixel, the at least one sub-pixel including a reflective region and a transmissive region, the transflective display panel comprising: a first substrate; a second substrate disposed opposite to the first substrate; a first common electrode disposed on a surface of the first substrate facing the second substrate and corresponding to the transmissive region; a first insulating layer disposed on the first common electrode; a transparent pixel electrode disposed on the first insulating layer and corresponding to the transmissive region, the transparent pixel electrode including at least one strip electrode and at least one gap, and the at least one strip electrode and the at least one gap being alternately disposed; a reflective pixel electrode disposed on the surface of the first substrate facing the second substrate and corresponding to the reflective region; a second common electrode disposed on a surface of the second substrate facing the first substrate and corresponding to the reflective region; and a liquid crystal layer disposed between the first substrate and the second substrate; wherein the upper surface of the strip electrode of the transparent pixel electrode is inclined relative to the surface of the first substrate.

2. The transflective display panel as claimed in claim 1, wherein the transflective display panel includes a plurality of the sub-pixels, the sub-pixels including a first sub-pixel and a second sub-pixel, the first sub-pixel and the second sub-pixel being adjacent to each other along a first direction, and an extension direction of the strip electrode of the first sub-pixel being different from an extension direction of the strip electrode of the second sub-pixel.

3. The transflective display panel as claimed in claim 2, wherein the extension direction of the strip electrode of the first sub-pixel has a first angle with a direction parallel to the first direction, the first angle being in the range of 5 degrees to 10 degrees, and the extension direction of the strip electrode of the second sub-pixel has a second angle with another direction parallel to the first direction, the second angle being in the range of 5 degrees to 10 degrees.

4. The semi-reflective display panel as described in claim 3, wherein the first included angle is equal to the second included angle.

5. The semi-transparent display panel as claimed in claim 3, wherein the semi-transparent display panel is a vehicle-mounted semi-transparent display panel for installation in a vehicle, and a driver's position and a front passenger position of the vehicle are respectively located on opposite sides of the semi-transparent display panel along the first direction.

6. The transflective display panel as claimed in claim 1, wherein the liquid crystal layer has a first liquid crystal gap corresponding to the transmissive area, the liquid crystal layer has a second liquid crystal gap corresponding to the reflective area, and the first liquid crystal gap is twice the size of the second liquid crystal gap.

7. The transflective display panel as claimed in claim 1, wherein the transparent pixel electrode is electrically connected to the reflective pixel electrode.

8. The transflective display panel as claimed in claim 1 further includes a light-shielding layer disposed on the surface of the second substrate and disposed at a junction corresponding to the transflective area and the reflective area.

9. The transflective display panel as claimed in claim 8 further includes a second insulating layer disposed on the surface of the second substrate, and the second insulating layer has a groove corresponding to the transflective area, wherein the light-shielding layer overlaps the side of the groove in a vertical direction on the surface of the second substrate.

10. The transflective display panel of claim 1, wherein the liquid crystal layer comprises a plurality of liquid crystal molecules having a first pretilt angle between the portion of the transflective region and the surface of the first substrate, and having a second pretilt angle between the portion of the reflective region and the surface of the first substrate, wherein the first pretilt angle is smaller than the second pretilt angle.

11. The transflective display panel as claimed in claim 1, wherein the upper surface of the reflective pixel electrode has a plurality of protrusions.

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