The present disclosure provides a projection device for a 3D printer, the projection device including a light source and a display panel for displaying an image to be printed, the image to be printed including a light transmission region and/or a light shielding region. The projection device is configured such that lights emitted from the light source pass through the light transmission region, and that the lights passing through the light transmission region from the light source are non-polarized lights. The present disclosure also provides a 3D printer.

The present invention is in the field of an electrophoretic device for switching between a transparent and non-transparent mode, the device having pixels, the pixels comprising a fluid and colored particles, and comprising various further elements, as well as uses thereof, in particular as a window blind and for signage.

The present invention is in the field of an electrophoretic device for switching between a transparent and non-transparent mode, the device having pixels, the pixels comprising a fluid and colored particles, and comprising various further elements, as well as uses thereof, in particular as a window blind and for signage.

An electronic ink display screen, wherein a spacer frame is coated on the pixel electrode by a One Drop Filling (ODF) process, the spacer frame includes a first spacer frame and a second spacer frame. The second spacer frame is located on a side of the first spacer frame. The electronic ink microcapsule array is provided inside the first spacer frame. Conductive silver paste is provided inside the second spacer frame. The upper transparent electrode is covered on the spacer frame. The conductive silver paste electrically contacts the pixel electrode and the upper transparent electrode, respectively. Peripheries of the spacer frame and the upper transparent electrode are sealed and fixed by a waterproof adhesive. The electronic ink display screen of the present invention uses the ODF production process, so there is no complicated process in the production of the traditional electronic paper film sheet.

An electronic ink display screen, wherein a spacer frame is coated on the pixel electrode by a One Drop Filling (ODF) process, the spacer frame includes a first spacer frame and a second spacer frame. The second spacer frame is located on a side of the first spacer frame. The electronic ink microcapsule array is provided inside the first spacer frame. Conductive silver paste is provided inside the second spacer frame. The upper transparent electrode is covered on the spacer frame. The conductive silver paste electrically contacts the pixel electrode and the upper transparent electrode, respectively. Peripheries of the spacer frame and the upper transparent electrode are sealed and fixed by a waterproof adhesive. The electronic ink display screen of the present invention uses the ODF production process, so there is no complicated process in the production of the traditional electronic paper film sheet.

Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a first display region and a second display region within the first display region, wherein the first display region includes a plurality of emitting units, and the second display region includes a plurality of electrophoretic units, the plurality of emitting units are configured to realize display, and the plurality of electrophoretic units are configured to realize switch between a display state and a transparent state.

Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a first display region and a second display region within the first display region, wherein the first display region includes a plurality of emitting units, and the second display region includes a plurality of electrophoretic units, the plurality of emitting units are configured to realize display, and the plurality of electrophoretic units are configured to realize switch between a display state and a transparent state.

According to one embodiment, a display device including an insulating substrate, an organic film on the insulating substrate, and a switching element located between the insulating substrate and the organic film and including a semiconductor layer, a source electrode, and a drain electrode, the organic film including a first removed portion at a position overlapping the semiconductor layer between the source electrode and the drain electrode of the switching element.

According to one embodiment, a display device includes a first conductive layer, a second conductive layer overlapping the first conductive layer, a first capacitive portion located in a same layer as the first conductive layer, a second capacitive portion located in a same layer as the second conductive layer and overlapping the first capacitive portion, a first inorganic insulating film located between the first conductive layer and the second conductive layer and between the first capacitive portion and the second capacitive portion, a drain electrode electrically connected to the second capacitive portion, a pixel electrode electrically connected to the drain electrode.

According to one embodiment, a display device includes a first conductive layer, a second conductive layer overlapping the first conductive layer, a first capacitive portion located in a same layer as the first conductive layer, a second capacitive portion located in a same layer as the second conductive layer and overlapping the first capacitive portion, a first inorganic insulating film located between the first conductive layer and the second conductive layer and between the first capacitive portion and the second capacitive portion, a drain electrode electrically connected to the second capacitive portion, a pixel electrode electrically connected to the drain electrode.