# US 2019/0320099 A1 · Electronic camera filter > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0320099 A1 - Document ID: US20190320099A1 - Status: Published application - Kind: A1 - Application number: 16/381,433 - Filed: 2019-04-11 - Published: 2019-10-17 - Earliest claimed: 2018-04-13 - Assignees: Panavision International, L.P. - Applicants: Panavision International, L.P. - Inventors: Haluki Sadahiro; Guy McVicker - Web page: https://patentgrep.com/patent/US20190320099A1 ## CPC - H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof - G02B 5/0236: {the diffusion taking place within the volume of the element} - G02B 5/20: Filters (polarising elements G02B5/30) - G02B 5/201: {in the form of arrays} - G02B 5/205: {Neutral density filters} - G02B 5/223: {containing organic substances, e.g. dyes, inks or pigments} - G02F 1/13725: {based on guest-host interaction (G02F1/13762, G02F1/13737, take precedence)} - G03B 11/00: Filters or other obturators specially adapted for photographic purposes - G09G 3/3208: organic, e.g. using organic light-emitting diodes [OLED] - H04N 23/56: provided with illuminating means - H04N 23/75: by influencing optical camera components - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract A filter for a camera lens including an electronic display configured to couple to an object side of the camera lens and configured to filter an image on an object side of the electronic display for the camera lens. A controller is configured to electrically control the filtering of the electronic display. An input is for receiving a control for controlling the controller. ## Claims ### Claim 1 A filter for a camera lens, the filter comprising: an electronic display configured to couple to an object side of the camera lens and configured to filter an image on an object side of the electronic display for the camera lens; a controller configured to electrically control the filtering of the electronic display; and an input for receiving a control for controlling the controller. ### Claim 2 (depends on 1) The filter of claim 1, wherein the electronic display includes liquid-crystals therein for filtering the image. ### Claim 3 (depends on 1) The filter of claim 1, wherein the electronic display includes one or more organic light-emitting diodes therein for filtering the image. ### Claim 4 (depends on 1) The filter of claim 1, further comprising a housing coupled to the electronic display, and wherein the controller and the input are positioned within the housing. ### Claim 5 (depends on 4) The filter of claim 4, wherein the housing comprises at least a portion of a frame for the electronic display. ### Claim 6 (depends on 1) The filter of claim 1, wherein the electronic display is configured to removably couple to a matte box for coupling to the camera lens. ### Claim 7 (depends on 1) The filter of claim 1, wherein the electronic display includes a front surface, a rear surface, and one or more side surfaces, and the housing is positioned at the one or more side surfaces. ### Claim 8 (depends on 1) The filter of claim 1, wherein the electronic display includes one or more pixels. ### Claim 9 (depends on 1) The filter of claim 1, wherein the electronic display includes an array of pixels. ### Claim 10 (depends on 1) The filter of claim 1, wherein the electronic display is configured to filter the image on the object side of the electronic display by reducing the amount of light transmitted through the electronic display. ### Claim 11 (depends on 1) The filter of claim 1, wherein the electronic display is configured to filter the image on the object side of the electronic display by diffusing light transmitted through the electronic display. ### Claim 12 (depends on 1) The filter of claim 1, wherein the electronic display is configured to filter the image on the object side of the electronic display by flaring light transmitted through the electronic display. ### Claim 13 (depends on 1) The filter of claim 1, wherein the electronic display is configured to filter the image on the object side of the electronic display by emitting light that is overlaid upon the image. ### Claim 14 (depends on 1) The filter of claim 1, wherein the electronic display is configured to filter the image on the object side of the electronic display for all colors of the image substantially equally. ### Claim 15 (depends on 1) The filter of claim 1, wherein the electronic display includes a first portion and a second portion, the first portion and second portion both configured to allow light to pass therethrough, and the controller is configured to electrically control the filtering of the electronic display such that the first portion filters the image at the same time the second portion does not filter the image. ### Claim 16 (depends on 15) The filter of claim 15, wherein the controller is configured to electrically control the filtering of the electronic display such that the second portion filters the image at the same time the first portion does not filter the image. ### Claim 17 (depends on 1) The filter of claim 1, wherein the input comprises a wireless signal receiver. ### Claim 18 A filter for a camera system, the filter comprising: an electronic display configured to couple to a portion of the camera system in an optical path of the camera system and configured to filter an image on an object side of the electronic display for the camera system, the electronic display including one or more organic light emitting diodes; a controller configured to electrically control the filtering of the electronic display; and an input for receiving a control for controlling the controller. ### Claim 19 (depends on 18) The filter of claim 18, wherein the filter is configured to couple to the camera system between a camera lens of the camera system and an image receiver of the camera system. ### Claim 20 (depends on 18) The filter of claim 18, wherein the filter is configured to couple to the camera system at an object side of a camera lens of the camera system. ### Claim 21 (depends on 18) The filter of claim 18, wherein the electronic display is configured to filter the image on the object side of the electronic display by emitting light that is overlaid upon the image. ### Claim 22 A camera system comprising: a camera including a camera lens; an electronic display configured to couple to an object side of the camera lens and configured to filter an image on an object side of the electronic display for the camera lens; a controller configured to electrically control the filtering of the electronic display; and an input for receiving a control for controlling the controller. ### Claim 23 (depends on 22) The camera system of claim 22, wherein the camera comprises a film camera or a digital camera. ### Claim 24 (depends on 22) The camera system of claim 22, further comprising a matte box, and wherein the electronic display, the controller, and the input are coupled together as a unit that is configured to be removably coupled to the matte box. ### Claim 25 (depends on 22) The camera system of claim 22, wherein the electronic display includes one or more pixels. ### Claim 26 (depends on 22) The camera system of claim 22, wherein the electronic display includes liquid-crystals therein for filtering the image or one or more organic light-emitting diodes therein for filtering the image, or a combination thereof. ### Claim 27 (depends on 22) The camera system of claim 22, further comprising a control terminal for wirelessly connecting to the input to provide the control to the input. ### Claim 28 A camera system comprising: a camera including a camera lens; an electronic display configured to couple to a portion of the camera system in an optical path of the camera system and configured to filter an image on an object side of the electronic display for the camera system, the electronic display including one or more organic light emitting diodes; a controller configured to electrically control the filtering of the electronic display; and an input for receiving a control for controlling the controller. ### Claim 29 (depends on 28) The camera system of claim 28, wherein the filter is configured to couple to the camera system between the camera lens and an image receiver of the camera system. ### Claim 30 (depends on 28) The camera system of claim 28, wherein the filter is configured to couple to the camera system at an object side of the camera lens. ### Claim 31 (depends on 28) The filter of claim 28, wherein the electronic display is configured to filter the image on the object side of the electronic display by emitting light that is overlaid upon the image. ### Claim 32 A method of filtering an image for a camera lens comprising: filtering, with an electronic display positioned on an object side of the camera lens, the image on the object side of the camera lens for the camera lens. ### Claim 33 (depends on 32) The method of claim 32, further comprising varying the filtering of the electronic display. ### Claim 34 (depends on 33) The method of claim 33, further comprising dynamically varying the filtering of the electronic display. ### Claim 35 (depends on 32) The method of claim 32, wherein the electronic display includes one or more pixels for filtering the image. ### Claim 36 (depends on 32) The method of claim 32, wherein the electronic display includes liquid-crystals therein for filtering the image or one or more organic light-emitting diodes therein for filtering the image, or a combination thereof. ### Claim 37 (depends on 32) The method of claim 32, further comprising wirelessly transmitting a control to the electronic display to vary the filtering of the electronic display. ### Claim 38 A method of filtering an image for a camera system comprising: filtering, with an electronic display positioned in the optical path of the camera system, the image on the object side of the electronic display for the camera system, the electronic display including one or more organic light emitting diodes. ### Claim 39 (depends on 38) The method of claim 38, further comprising varying the filtering of the electronic display. ### Claim 40 (depends on 39) The method of claim 39, further comprising dynamically varying the filtering of the electronic display. ### Claim 41 (depends on 38) The method of claim 38, wherein the electronic display includes one or more pixels for filtering the image. ### Claim 42 (depends on 38) The method of claim 38, wherein the electronic display is configured to filter the image on the object side of the electronic display by emitting light that is overlaid upon the image.