Display device
View Patent ↗A display device is provided that inhibits color mixture between adjacent subpixels and allows for obtaining a high-quality image. The display device includes a display area on which a light-blocking metal layer, a black matrix, and a plurality of subpixels are arranged, wherein the plurality of subpixels are arranged adjacent to one another via a black matrix as seen vertically from above, the black matrix and the light-blocking metal layer are arranged to overlap each other as seen vertically from above, and the light-blocking metal layer 130 is arranged on the bank of an organic flattened film.
1. A display device comprising: a first substrate including a thin-film transistor and a light-blocking metal layer; a second substrate including a black matrix; and a display area formed on a substrate made by laminating the first substrate and the second substrate together and on which a plurality of subpixels are arranged, wherein
the plurality of subpixels are arranged adjacent to one another via the black matrix as seen vertically from above,
the black matrix and the light-blocking metal layer are arranged to overlap one another as seen vertically from above, and
the light-blocking metal layer is arranged on a bank formed on a lower side of the light-blocking metal layer of the first substrate.
2. The display device according to claim 1 , wherein
the light-blocking metal layer has a function of inhibiting color mixture between the plurality of adjacent subpixels.
3. The display device according to claim 2 , wherein
the display device incorporates a touch panel in the display device, and
the light-blocking metal layer is arranged on the bank via a common electrode to be an electrode of the touch panel and has a function of reducing resistance of the common electrode.
4. The display device according to claim 2 , wherein
the display device incorporates a touch panel in the display device, and
the light-blocking metal layer is arranged at a slit portion that divides a common electrode to be an electrode of the touch panel.
5. The display device according to claim 1 , wherein
a video signal line connected to a source electrode of the thin-film transistor is arranged to overlap the light-blocking metal layer as seen vertically from above.
6. The display device according to claim 1 , wherein
the bank is formed on an organic flattened film arranged on top of the thin-film transistor.
7. The display device according to claim 1 , wherein
an alignment film is arranged on top of the light-blocking metal layer, and
the alignment film is an optical alignment film.
8. A display device comprising: a first substrate including a thin-film transistor, a light-blocking metal layer, and a pixel electrode electrically connected to a drain electrode of the thin-film transistor; a second substrate including a black matrix; and a display area formed on a substrate made by laminating the first substrate and the second substrate together and on which a plurality of subpixels are arranged, wherein
the plurality of subpixels are arranged adjacent to one another via the black matrix as seen vertically from above,
the black matrix and the light-blocking metal layer are arranged to overlap one another as seen vertically from above, and
the light-blocking metal layer is arranged on a bank formed on a lower side of the light-blocking metal layer of the first substrate with a bottom face of the light-blocking metal layer arranged at a level higher than the pixel electrode.
9. The display device according to claim 8 , wherein
the light-blocking metal layer has a function of inhibiting color mixture between the plurality of adjacent subpixels.
10. The display device according to claim 9 , wherein
the display device incorporates a touch panel in the display device, and
the light-blocking metal layer is arranged on the bank via a common electrode to be an electrode of the touch panel and has a function of reducing resistance of the common electrode.
11. The display device according to claim 9 , wherein
the display device incorporates a touch panel in the display device, and
the light-blocking metal layer is arranged at a slit portion that divides a common electrode to be an electrode of the touch panel.
12. The display device according to claim 8 , wherein
a video signal line connected to a source electrode of the thin-film transistor is arranged to overlap the light-blocking metal layer as seen vertically from above.
13. The display device according to claim 8 , wherein
the bank is formed on an organic flattened film arranged on top of the thin-film transistor.
14. The display device according to claim 8 , wherein
an alignment film is arranged on top of the light-blocking metal layer, and
the alignment film is an optical alignment film.
15. A display device comprising: a first substrate including a thin-film transistor, a scanning signal line electrically connected to a gate electrode of the thin-film transistor, a pixel electrode electrically connected to a drain electrode of the thin-film transistor, a video signal line electrically connected to a source electrode of the thin-film transistor, and a light-blocking metal layer; a second substrate including a black matrix; and a display area formed on a substrate made by laminating the first substrate and the second substrate together and on which a plurality of subpixels are arranged, wherein
the plurality of subpixels are arranged adjacent to one another via the black matrix as seen vertically from above,
the black matrix, the video signal line, and the light-blocking metal layer are arranged to overlap one another as seen vertically from above, and
the black matrix, the video signal line, and the light-blocking metal layer are arranged to overlap one another as seen vertically from above, and
the light-blocking metal layer is arranged on a bank formed on a lower side of the light-blocking metal layer of the first substrate with a bottom face of the light-blocking metal layer arranged at a level higher than the pixel electrode, and inhibits color mixture between the plurality of adjacent subpixels.