Display and electronic device
View Patent ↗A display including a display panel and a switchable retarder is provided. The switchable retarder disposed on a light path of a polarized image having a first polarization provided by the display panel and includes a first substrate, first electrode stripes, second electrode stripes, and a retardation medium. The first electrode stripes and the second electrode stripes are disposed between the display panel and the first substrate, and are electrically independent from each other. A retardation region is defined by each first electrode stripe and one second electrode stripe. The retardation medium is located at a side of the first electrode stripes and at a side of the second electrode stripes, and is controlled by an electric field in the corresponding retardation region such that each retardation region provides a retardation. Accordingly, the polarized image having the first polarization is transformed into the polarized image having a second polarization.
1. A display, comprising:
a display panel providing a polarized image with a first polarization at a frame, wherein the display panel has a plurality of pixels; and
a switchable retarder configured on a light path of the polarized image, and the switchable retarder comprising:
a first substrate configured on the display panel;
a plurality of first electrode stripes;
a plurality of second electrode stripes, wherein the first electrode stripes and the second electrode stripes are configured between the display panel and the first substrate and electrically independent from each other, and each of the first electrode stripes and one of the second electrode stripes defines a retardation region, wherein an area of each of the retardation regions corresponds to an area of numbers of the plurality of pixels; and
a retardation medium configured between the display panel and the first substrate and located at a side of the first electrode stripes and a side of the second electrode stripes, wherein the first electrode stripes are located between the retardation medium and the first substrate, and the second electrode stripes are located between the retardation medium and the display panel, and extending directions of the first electrode stripes and the second electrode stripes are different;
wherein the retardation medium located in each retardation region is controlled by an electric field formed between the corresponding first electrode stripe and the corresponding second electrode stripe to provide a retardation, such that the polarized imaged with the first polarization is transformed into the polarized image with a second polarization or a third polarization shown by all the pixels at the frame, wherein the second polarization is different from the third polarization; and
wherein at least one of the first and second electrode stripes is not parallelly aligned with an extending direction of a row of the pixels or a line of the pixels.
2. The display as claimed in claim 1 , wherein one retardation region corresponds to at least one line of the plurality of the pixels.
3. The display as claimed in claim 1 , wherein the display panel has a timing control unit for driving the plurality of pixels, and the timing control unit is electrically connected to the first electrode stripes and the second electrode stripes to apply corresponding control voltages to the first electrode stripes and the second electrode stripes.
4. The display as claimed in claim 1 , further comprising a control chip electrically connected to the first electrode stripes and the second electrode stripes to apply corresponding control voltages to the first electrode stripes and the second electrode stripes.
5. The display as claimed in claim 1 , wherein the switchable retarder comprises a second substrate configured between the display panel and the first substrate, and the first electrode stripes, the second electrode stripes, and the retardation medium are configured between the first substrate and the second substrate.
6. The display as claimed in claim 1 , wherein the display panel comprises a polarizer configured adjacent to the switchable retarder to provide the polarized image.
7. The display as claimed in claim 1 , wherein the display panel comprises a ¼ wavelength plate disposed at a side of the switchable retarder away from the display panel when the polarized image has a linear polarization.
8. The display as claimed in claim 1 , wherein the second polarization is identical to the first polarization when the retardation is zero.
9. The display as claimed in claim 1 , wherein the second polarization is different from the first polarization when the retardation is greater or smaller than zero.
10. An electronic device, comprising:
a display, comprising:
a display panel providing a polarized image with a first polarization at a frame, wherein the display panel has a plurality of pixels; and
a switchable retarder configured on a light path of the polarized image, and the switchable retarder comprising:
a first substrate configured on the display panel;
a plurality of first electrode stripes;
a plurality of second electrode stripes, wherein the first electrode stripes and the second electrode stripes are configured between the display panel and the first substrate and electrically independent from each other, and each of the first electrode stripes and one of the second electrode stripes define a retardation region, wherein an area of each of the retardation regions corresponds to an area of numbers of the plurality of pixels; and
a retardation medium configured between the display panel and the first substrate and located at a side of the first electrode stripes and a side of the second electrode stripes, wherein the first electrode stripes are located between the retardation medium and the first substrate, and the second electrode stripes are located between the retardation medium and the display panel, and extending directions of the first electrode stripes and the second electrode stripes are different; and
an input unit coupled to the display panel and the input unit providing an input function to the display panel such that the display displays images;
wherein the retardation medium located in each retardation region is controlled by an electric field formed between the corresponding first electrode stripe and the corresponding second electrode stripe to provide a retardation, such that the polarized imaged with the first polarization is transformed into the polarized image with a second polarization or a third polarization shown by all the pixels at the frame, wherein the second polarization is different from the third polarization; and
wherein at least one of the first and second electrode stripes is not parallelly aligned with an extending direction of a row of the pixels or a line of the pixels.
11. A display, comprising:
a display panel providing a polarized image with a first polarization at a frame, wherein the display panel has a plurality of pixels; and
a switchable retarder configured on a light path of the polarized image, and the switchable retarder comprising:
a first substrate configured on the display panel;
a plurality of first electrode stripes;
a plurality of second electrode stripes, wherein the first electrode stripes and the second electrode stripes are configured between the display panel and the first substrate and electrically independent from each other, and extending directions of the first electrode stripes and the second electrode stripes are different, and each of the first electrode stripes and one of the second electrode stripes define a retardation region, wherein an area of each of the retardation regions corresponds to an area of numbers of the plurality of pixels; and
a retardation medium configured between the display panel and the first substrate and located at a side of the first electrode stripes and a side of the second electrode stripes;
wherein the retardation medium located in each retardation region is controlled by an electric field formed between the corresponding first electrode stripe and the corresponding second electrode stripe to provide a retardation, such that the polarized imaged with the first polarization is transformed into the polarized image with a second polarization or a third polarization shown by all the pixels at the frame, wherein the second polarization is different from the third polarization; and
wherein at least one of the first and second electrode stripes is not parallelly aligned with an extending direction of a row of the pixels or a line of the pixels.
12. An electronic device, comprising:
a display, comprising:
a display panel providing a polarized image has with a first polarization at a frame, wherein the display panel having a plurality of pixels; and
a switchable retarder configured on a light path of the polarized image, and the switchable retarder comprising:
a first substrate configured on the display panel;
a plurality of first electrode stripes;
a plurality of second electrode stripes, wherein the first electrode stripes and the second electrode stripes are configured between the display panel and the first substrate and electrically independent from each other, and extending directions of the first electrode stripes and the second electrode stripes are different, and each of the first electrode stripes and one of the second electrode stripes define a retardation region, wherein an area of each of the retardation regions corresponds to an area of numbers of the plurality of pixels; and
a retardation medium configured between the display panel and the first substrate and located at a side of the first electrode stripes and a side of the second electrode stripes, wherein the retardation medium located in each retardation region is controlled by an electric field formed between the corresponding first electrode stripe and the corresponding second electrode stripe to provide a retardation, such that the polarized imaged with the first polarization shown by all pixels passing through the switchable retarder is transformed into the polarized image with a second polarization or a third polarization shown by all the pixels at the frame, wherein the second polarization is different from the third polarization; and
an input unit coupled to the display panel and the input unit providing an input function to the display panel such that the display displays images; and
wherein at least one of the first and second electrode stripes is not parallelly aligned with an extending direction of a row of the pixels or a line of the pixels.