Stereoscopic image display device and electronic device with the same
A stereoscopic image display device including a light source and a light controller for selectively transmitting or blocking light provided by the light source. The light controller includes a first substrate, and first and second electrodes alternatively formed on the first substrate along a first direction. The first and second electrodes are spaced apart from each other at a predetermined interval. The first and second electrodes are electrically connected, respectively, to first and second connection electrodes. The light controller also includes a second substrate which is substantially parallel to the first substrate, and third and fourth electrodes alternately formed on the second substrate along a second direction. The third and fourth electrodes are spaced apart from each other at a predetermined interval. The third and forth electrodes are electrically connected, respectively, to third and fourth connection electrodes.
1. A stereoscopic image display device for providing a stereoscopic image to a user, the stereoscopic image display device comprising:
a light source; and
a light controller for selectively transmitting or blocking light provided by the light source,
wherein the light controller includes,
a first substrate;
a surface electrode formed on a substantially entire surface of the first substrate;
a second substrate;
branch type electrodes, each having a parent electrode portion arranged along one direction of the second substrate and plural branched electrode portions formed by branching off from the parent electrode portion, the branch type electrodes being arranged as multiple layers on the second substrate that are insulated from each other; and
liquid crystal disposed between the first substrate and the second substrate,
wherein the branched electrode portions of the branch type electrodes are arranged to cross over each other.
2. The stereoscopic image display device of claim 1 , wherein the parent electrode portions of the branch type electrodes are arranged to cross over each other.
3. The stereoscopic image display device of claim 2 , wherein the parent electrode portion of one branch type electrode of the branch type electrodes is arranged to be parallel with the branched electrode portions of another branch type electrode of the branch type electrodes.
4. The stereoscopic image display device of claim 1 , further comprising an imager for displaying a left eye image and a right eye image, wherein the imager is interposed between the light source and the light controller.
5. The stereoscopic image display device of claim 4 , wherein the imager is a liquid crystal display panel.
6. The stereoscopic image display device of claim 1 , further comprising an imager for displaying a left eye image and a right eye image, wherein the light controller is interposed between the light source and the imager.
7. The stereoscopic image display device of claim 6 , wherein the imager is a liquid crystal display panel.
8. The stereoscopic image display device of claim 1 , wherein the branched electrode portions are formed in a stripe pattern.
9. A method of driving a stereoscopic image display device having a light controller, the light controller including,
a first substrate;
a surface electrode formed on a substantially entire surface of the first substrate;
a second substrate;
branch type electrodes, each having a parent electrode portion arranged along one direction of the second substrate and plural branched electrode portions formed by branching off from the parent electrode portion, the branch type electrodes being arranged as multiple layers on the second substrate that are insulated from each other; and
liquid crystal disposed between the first substrate and the second substrate;
wherein the branched electrode portions of the branch type electrodes are arranged to cross over each other,
the method comprising:
in a first mode when the light controller is in a predetermined position,
applying a reference voltage to the surface electrode;
selecting one branch type electrode of the branch type electrodes; and applying a data voltage thereto to split an image into a left eye image and a right eye image; and
in a second mode when the light controller is rotated from the predetermined position to another position,
applying a reference voltage to the surface electrode;
selecting another branch type electrode of the branch type electrodes; and applying a data voltage thereto to split an image into a left eye image and a right eye image.
10. A stereoscopic image display device, comprising:
an imager for realizing an image; and
a liquid crystal barrier for splitting the image into a left eye image and a right eye image to provide the left eye and right eye images, respectively, to the left eye and the right eye of a user,
wherein the liquid crystal barrier includes,
a first substrate;
a surface electrode formed on a substantially entire surface of the first substrate;
a second substrate;
branch type electrodes, each having a parent electrode portion arranged along one direction of the second substrate and plural branched electrode portions formed by branching off from the parent electrode portion, the branch type electrodes being arranged as multiple layers on the second substrate that are insulated from each other; and
liquid crystal disposed between the first substrate and the second substrate,
wherein the branched electrode portions of the branch type electrodes are arranged to cross over each other.