Transflective liquid crystal panel having solid color layer
View Patent ↗A transflective liquid crystal panel includes a first substrate, a second substrate, a liquid crystal layer sandwiched between the two substrates, color filter film, transparent units, reflective units, and a solid color film. The color filter film is disposed on a surface of the first substrate adjacent to the liquid crystal layer. The color filter film includes filter units. The transparent units are configured for transmitting light. The reflective units are configured for reflecting light. Each filter unit corresponds to a transparent unit and a reflective unit. The solid color film covers at least the transparent units. A permeability of the solid color film relative to a predetermined color light waves exceeds that relative to light waves of other colors.
1. A transflective liquid crystal panel, comprising:
a first substrate,
a second substrate generally opposite to the first substrate,
a liquid crystal layer sandwiched between the two substrates,
a color filter film disposed at a surface of the first substrate adjacent to the liquid crystal layer, the color filter film comprising a plurality of color filter units,
a plurality of transparent units configured for transmitting light,
a plurality of reflective units configured for reflecting light, each color filter unit corresponding to a transparent unit and an adjacent reflective unit, and
at least one solid color film covering at least the transparent units, wherein a permeability of each of the at least one solid color film relative to a predetermined color of light exceeds that relative to light of other colors.
2. The transflective liquid crystal panel of claim 1 , wherein the at least one solid color film is a plurality of solid color films, which cover only the transparent units.
3. The transflective liquid crystal panel of claim 2 , wherein a thickness of each reflective unit is substantially equal to a combined thickness of the corresponding solid color film and the corresponding transparent unit.
4. The transflective liquid crystal panel of claim 3 , wherein each transparent unit is a transparent electrode, and each reflective unit is a reflective electrode.
5. The transflective liquid crystal panel of claim 4 , wherein a plurality of bumps is disposed on a surface of the reflective electrode to reflect and scatter light, each bump having a tapered profile.
6. The transflective liquid crystal panel of claim 1 , wherein the at least one solid color film is a single solid color film, which covers all of the transparent units and the reflective units.
7. The transflective liquid crystal panel of claim 6 , wherein a thickness of the solid color film at each transparent unit is H, a thickness of the solid color film at the corresponding reflective unit is h, and H>2h.
8. The transflective liquid crystal panel of claim 1 , wherein the transparent units and the reflective units cooperatively define a transflective film.
9. The transflective liquid crystal panel of claim 8 , further comprising a plurality of pixel electrodes, each pixel electrode corresponding to a color filter unit, and being disposed between the transflective film and the second substrate.
10. The transflective liquid crystal panel of claim 9 , wherein a plurality of bumps are formed on a surface of the pixel electrode corresponding to the reflective unit to reflect and scatter light, each bump having a tapered profile.
11. The transflective liquid crystal panel of claim 1 , wherein a surface of the at least one solid color film adjacent to the liquid crystal layer is smooth.
12. The transflective liquid crystal panel of claim 1 , wherein the solid color film is a blue solid color film.
13. A transflective liquid crystal panel, comprising:
a first substrate,
a second substrate generally opposite to the first substrate,
a liquid crystal layer sandwiched between the two substrates,
a plurality of pixel regions, each pixel region spanning through the two substrates and the liquid crystal layer therebetween,
a color filter film disposed at a surface of the first substrate adjacent to the liquid crystal layer, the color filter film comprising a plurality of color filter units,
a transflective layer comprising a plurality of transparent units and a plurality of reflective units, wherein in each pixel region, one pair comprising one transparent unit plus one reflective unit corresponds to one color filter unit, and
at least one solid color film, the at least one solid color film covering at least the transparent units, wherein in each pixel region, a permeability of the at least one solid color film relative to a predetermined color of light exceeds that relative to light of other colors.
14. The transflective liquid crystal panel of claim 13 , wherein the reflective unit is a reflective electrode, and the transflective layer is a transparent electrode.
15. The transflective liquid crystal panel of claim 14 , wherein the at least one solid color film is a plurality of solid color films, which cover the transparent electrodes, and a thickness of each reflective electrode substantially equals a combined thickness of the corresponding transparent electrode and the corresponding solid color film.
16. The transflective liquid crystal panel of claim 14 , wherein in each pixel region, a plurality of bumps is formed on a surface of the reflective electrode to reflect and scatter light, each bump having a tapered profile.
17. The transflective liquid crystal panel of claim 13 , wherein the at least one solid color film is a single solid color film, which covers the entire transflective layer, and in each pixel region, a combined thickness of the reflective electrode and the solid color film corresponding to the reflective electrode substantially equals a combined thickness of the transparent electrode and the solid color film corresponding to the transparent electrode.
18. The transflective liquid crystal panel of claim 13 , wherein in each pixel region, a pixel electrode is disposed between the transflective layer and the second substrate.
19. A transflective liquid crystal panel, comprising:
a first substrate,
a second substrate generally opposite to the first substrate,
a liquid crystal layer sandwiched between the two substrates,
a color filter film disposed at a surface of the first substrate adjacent to the liquid crystal layer, the color filter film comprising a plurality of color filter units,
a plurality of transparent units configured for transmitting light,
a plurality of reflective units configured for reflecting light, each color filter unit corresponding to a transparent unit and an adjacent reflective unit, the transparent units being thinner than the reflective units, and
at least one solid color film covering at least the transparent units, the at least one solid color film configured as at least one chroma adjusting film, such that a chroma of light originating from an associated backlight module and output from the transflective liquid crystal panel is adjusted to be at least more similar to a chroma of light originating from the ambient environment and output from the transflective liquid crystal panel.
20. The transflective liquid crystal panel of claim 19 , wherein the at least one solid color film is either a single solid color film or a plurality of solid color films, when the at least one solid color film is a single solid color film, the solid color film covers all of the transparent units and the reflective units and is configured as a chroma adjusting film such that images of the transflective liquid crystal panel are prone to have a coloring corresponding to a coloring of the solid color film, and when the at least one solid color film is a plurality of solid color films, the solid color films cover only the transparent units and are configured as chroma compensating films, such that a chroma of light originating from the associated backlight module and output from each transparent unit is substantially the same as a chroma of light originating from the ambient environment and output from the corresponding adjacent reflective unit.