Projector, optical engine module, image resolution enhancement device and driving method thereof
AssigneeCoretronic Corporation
InventorsYi Chang, Wei-Hao Chen, Kuang-Yao Liu
Life of this patent
Estimating the term…
Abstract
A projector, an optical engine module, an image resolution enhancement device and a driving method are provided. The projector includes an illumination device, an optical engine module and a projection lens. The optical engine module is configured with the image resolution enhancement device configured to enhance a resolution of a projection light, and the image resolution enhancement device is adapted to enhance the image resolution by two times or four times.
Claims22
A projector, comprising:
- an illumination device, adapted to provide an illumination light;
- an optical engine module, disposed on a transmission path of the illumination light, and comprising:
- a light valve, adapted to convert the illumination light into an image light;
- and
- an image resolution enhancement device, disposed on a transmission path of the image light, and comprising:
- a transparent plate, adapted to be pervious to the image light and refract the image light;
- and
- a carrier, adapted to carry the transparent plate, and the carrier comprising:
- a carrier board;
- a first frame, having a first axis, wherein the first axis is connected to the carrier board, and the first axis rotates according to a first driving electric signal;
- a second frame, having a second axis, wherein the second axis is connected to the first frame, the transparent plate is fixed in the second frame, and the second axis rotates according to a second driving electric signal;
- at least one first vibration element, disposed on at least one side of the first frame, and making the first frame to rotate relative to the carrier board through the first axis according to the first driving electric signal;
- and
- at least one second vibration element, disposed on at least one side of the second frame, and making the second frame to rotate relative to the first frame through the second axis according to the second driving electric signal, wherein according to rotation states of the first frame and the second frame, the image light is transmitted to a first position at a first time point in a frame cycle, and the image light is transmitted to a second position at a second time point in the frame cycle, wherein the first position and the second position are not overlapped;
- and
- a projection lens, disposed on the transmission path of the image light from the image resolution enhancement device, wherein the image light becomes a projection light after passing through the projection lens.
An optical engine module, comprising:
- a light valve, configured to provide an image light;
- an image resolution enhancement device, disposed on a transmission path of the image light, and comprising:
- a transparent plate, adapted to be pervious to the image light and refract the image light;
- and
- a carrier, adapted to carry the transparent plate, and comprising:
- a carrier board;
- a first frame, having a first axis, wherein the first axis is connected to the carrier board, and the first axis rotates according to a first driving electric signal;
- a second frame, having a second axis, wherein the second axis is connected to the first frame, the transparent plate is fixed in the second frame, and the second axis rotates according to a second driving electric signal;
- at least one first vibration element, disposed on at least one side of the first frame, and making the first frame to rotate relative to the carrier board through the first axis according to the first driving electric signal;
- and
- at least one second vibration element, disposed on at least one side of the second frame, and making the second frame to rotate relative to the first frame through the second axis according to the second driving electric signal, wherein according to rotation states of the first frame and the second frame, the image light is transmitted to a first position at a first time point in a frame cycle, and the image light is transmitted to a second position at a second time point in the frame cycle, wherein the first position and the second position are not overlapped.
An image resolution enhancement device, comprising:
- a transparent plate, adapted to be pervious to an image light and refract the image light;
- and
- a carrier, the transparent plate being fixed on the carrier, and the carrier comprising:
- a carrier board;
- a first frame, having a first axis, wherein the first axis is connected to the carrier board, and the first axis rotates according to a first driving electric signal;
- a second frame, having a second axis, wherein the second axis is connected to the first frame, wherein the transparent plate is fixed in the second frame, and the second axis rotates according to a second driving electric signal;
- at least one first vibration element, disposed on at least one side of the first frame, and making the first frame to rotate relative to the carrier board through the first axis according to the first driving electric signal;
- and
- at least one second vibration element, disposed on at least one side of the second frame, and making the second frame to rotate relative to the first frame through the second axis according to the second driving electric signal, wherein according to rotation states of the first frame and the second frame, the image light is transmitted to a first position at a first time point in a frame cycle, and the image light is transmitted to a second position at a second time point in the frame cycle, wherein the first position and the second position are not overlapped.
A driving method of an image resolution enhancement device, comprising:
- providing a first frame and a second frame, wherein the first frame has a first axis, the second frame has a second axis, and the second axis is connected to the first frame;
- providing at least one first vibration element, wherein the at least one first vibration element makes the first frame to rotate through the first axis according to a first driving electric signal;
- providing at least one second vibration element, wherein the at least one second vibration element makes the second frame to rotate relative to the first frame through the second axis according to a second driving electric signal;
- and
- according to rotation states of the first frame and the second frame, the image resolution enhancement device transmitting an image beam to a first position at a first time point in a frame cycle, and the image resolution enhancement device transmitting the image light to a second position at a second time point in the frame cycle, wherein the first position and the second position are not overlapped.
Dependencies are inferred from the claim text.