Patent classifications
G09G3/344
Electro-optic displays, and methods for driving same
There are provided methods for driving an electro-optic display having a plurality of display pixels, a such method includes detecting a white-to-white graytone transition on a first pixel; and determining whether a threshold number of cardinal neighbors of the first pixel are not making a graytone transition from white to white, or if the first pixel is a color pixel, and apply a first waveform.
METHOD FOR ELECTRICALLY CONTROLLING A FUNCTIONAL ELEMENT
A method for electrically controlling at least one functional element having electrically controllable optical properties, wherein the optical properties are controlled by a control unit, wherein the control unit is connected to at least two transparent flat electrodes of the functional element, and an electrical voltage is applied between the flat electrodes by the control unit, wherein the electrical voltage has a periodic signal profile with a first, variably adjustable frequency and the glazing unit is surrounded by light beams of a second frequency, and wherein the light beams are sensed by a sensor unit and the first frequency is changed as a function of the second frequency, wherein the first frequency is synchronized with the second frequency.
METHOD AND APPARATUS FOR RENDERING COLOR IMAGES
There are provided methods and apparatus for driving an electro-optic display. In an electronic color display including an active matrix of pixels and an electro-optic medium, the method comprises receiving an input image, processing the input image to create color separation cumulate, and using a threshold array to process the color separation cumulate to generate output colors for the electronic color display. In many instances the color gamut of the input image and the color gamut of the electronic color display are different.
Aircraft area having a textile display, aircraft passenger seat having a textile display, and aircraft including an aircraft area
An aircraft area having a textile display, aircraft passenger seat having a textile display, and aircraft including an aircraft area. An aircraft area includes an interior component, a textile display on the interior component and including at least one textile fiber capable of changing a color at at least one section of the textile fiber, and a controller operatively coupled to the textile display and configured to change color of the at least one section of the textile fiber, such that the textile display displays information. An aircraft passenger seat includes a back rest, seat pan, and textile display integrated into a seat cover covering the backrest and/or the seat pan. The textile display includes at least one textile fiber capable of changing a color at at least one section of the textile fiber. An aircraft may include one or more aircraft areas and/or one or more aircraft passenger seats.
Display device and circuit board
A display device includes a substrate, first electrodes, lines, pixel electrodes, a display functional layer, a common electrode, second electrodes, and a controller. The first electrodes are opposed to the second electrodes with a space therebetween, and an insulating layer is provided between the common electrode and the first and second electrodes. During the display periods, in response to a control signal from the controller, the pixel electrodes are supplied with a pixel signal through the lines, and the common electrode is supplied with a common signal. During the sensing period, in response to the control signal from the controller, the lines are supplied with a first drive signal to generate a magnetic field. The first electrodes are supplied with a second drive signal to generate electrostatic capacitance between themselves and the second electrodes in response to the control signal from the controller, synchronously or asynchronously with the display periods.
METHOD FOR DRIVING ELECTROPHORETIC DISPLAY DEVICE
An electrophoretic medium comprises a fluid and first (B), second (Y), third (R) and fourth (W) particles dispersed in the fluid and having differing colors. The first (B) and third (R) particles bear charges of one polarity and the second (Y) and fourth (W) particles bear charges of the opposite polarity, The first particles (B) have a greater zeta potential than the third particles (R), and the second particles (Y) have a greater zeta potential than the fourth particles (W). One of the particles (W) is white, one of the non-white particles (B) is partially light-transmissive, and the remaining two non-white particles are light-reflective. To display the color of a mixture of the first (B) and second (Y) particles at a viewing surface, the medium is driven to display the second particles (Y) at the viewing surface, then a first driving voltage is applied for a first period to drive the second (Y) and fourth (W) particles towards the viewing surface, then a second driving voltage, of opposite polarity to and lower magnitude than, the first voltage, is applied for a second period less than the first period, and finally the applications of the two driving voltages are repeated.
Color image processing method and device, electronic ink screen, and storage medium
The present application discloses a color image processing method, a color image processing device, an electronic ink screen, and a storage medium. The color image processing method includes: obtaining an original image, and transforming original color data of a pixel in the original image into corresponding set color data in a set color space; determining a target color corresponding to the pixel in a plurality of set colors according to the set color data corresponding to the pixel and a color ratio allocation table; and generating a target image according to the target color.
DISPLAY CONTROLLER FOR BISTABLE ELECTRO-OPTIC DISPLAY
There are provided display controllers and driving methods related to those described in US Published Patent Application No. 2013/0194250. These include (a) a display controller having an update buffer, means for removing from the update buffer pixels not requiring updating, and means to ensure that pixels having certain special states are not removed from the update buffer; (b) a method of driving a bistable display wherein, in a pixel undergoing a white-to-white transition and lying adjacent another pixel undergoing a visible transition, there is applied to the pixel one or more balanced pulse pairs and at least one top-off pulse; (c) a method of driving a bistable display by overlaying a non-rectangular item over a pre-existing image content and then removing the item, where only pixels in the region of the item perform transitions (including self-transitions); and (d) a method of driving a bistable display in which a proportion of background pixels not undergoing an optical change are subjected to a refresh pulse to correct optical state drift.
Sub-pixel structure, display panel and control method therefor, and display device
A sub-pixel structure includes: a first functional layer and a second functional layer which are oppositely arranged, a conductive structure therebetween, and a plurality of electrodes on at least one side of the first functional layer. The first functional layer includes an insulating region, the second functional layer includes a target light-shielding region and a target light-transmitting region, orthographic projections of both the conductive structure and the target light-transmitting region on the first functional layer are partial regions of the insulating region, and orthographic projections of the plurality of electrodes on the first functional layer are outside the insulating region; and the conductive structure is configured to move in the insulating region under the action of voltages loaded on the plurality of electrodes to adjust a luminous flux of light emitted from the target light-transmitting region.
Surgical dissectors configured to apply mechanical and electrical energy
A surgical instrument comprising an end effector is disclosed. The end effector comprises a surgical dissector. The surgical dissector can apply mechanical and/or electrosurgical energy to treated tissue.