WO2021249938A1 - A control system and method of configuring a light source array - Google Patents

A control system and method of configuring a light source array Download PDF

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Publication number
WO2021249938A1
WO2021249938A1 PCT/EP2021/065157 EP2021065157W WO2021249938A1 WO 2021249938 A1 WO2021249938 A1 WO 2021249938A1 EP 2021065157 W EP2021065157 W EP 2021065157W WO 2021249938 A1 WO2021249938 A1 WO 2021249938A1
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WO
WIPO (PCT)
Prior art keywords
light source
source array
display
virtual representation
lighting units
Prior art date
Application number
PCT/EP2021/065157
Other languages
French (fr)
Inventor
Dzmitry Viktorovich Aliakseyeu
Huon Urbald Ogier Norbert VAN DE LAARSCHOT
Jorge Gabriel SQUILLACE
Original Assignee
Signify Holding B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Signify Holding B.V. filed Critical Signify Holding B.V.
Publication of WO2021249938A1 publication Critical patent/WO2021249938A1/en

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04808—Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the invention relates to a method of configuring a light source array and to a computer program product for executing the method.
  • the invention further relates to a control system for configuring a light source array.
  • Current home systems comprise a plurality of controllable lighting devices.
  • the lighting devices can be controlled based on media content that is being rendered on a display.
  • a user may, for example, play a movie or a game on the display of a display device (e.g. a television, a pc monitor, a tablet pc, a projector, etc.).
  • the lighting devices may be controlled based on the media content that is being rendered on the display, for instance by analyzing colors of images that are rendered on the display and by controlling the lighting devices accordingly.
  • the lighting devices may be controlled according to a light script which comprises pre-programmed lighting control instructions for the lighting devices.
  • the lighting control instructions are communicated to the lighting devices to control them in sync with the media content that is being rendered on the display. This brings the atmosphere of the movie or the game into the room of the user.
  • the lighting control instructions that are transmitted to the lighting devices depend on the location of the lighting devices relative to the display, such that locations of on-screen events (e.g. an explosion, a sunset, an object approaching from one side of the display, etc.) correspond to locations of light effects generated by the lighting devices.
  • a user interface is provided that enables a user to map the lighting devices onto the display, and thereby create a mapping of the lighting devices relative to the display.
  • a map of a space is rendered on a screen of a mobile device (e.g. a smartphone), which shows a location of the display in the space.
  • a user may position the lighting devices on the map of the space relative to the display, such that they can be controlled based on rendered media content accordingly.
  • a user may for example install a light strip behind the display or in proximity of the display, for example by placing the light strip on a surface (e.g. a wall, a tv cabinet, etc.) or on the back of the display device.
  • a surface e.g. a wall, a tv cabinet, etc.
  • installing and configuring such a light strip with individually controllable lighting units can be cumbersome for an average user.
  • WO 2018224390 A1 discloses an electronic device configured to obtain information identifying available light sources, including their positions.
  • the electronic device is further configured to receive an instruction to render a light effect.
  • the electronic device is further configured to map the light effect to one or more of the available light sources based on one or more light effect parameters, a mapping function identifier, one or more spatial indications and the positions of the available light sources.
  • the inventors have realized that it may be difficult for users to map a light source array (e.g. a light strip) with individually controllable lighting units correctly with respect to a display.
  • a light source array with individually controllable lighting units is able to create spatial light effects because each lighting unit is individually controllable.
  • the inventors have realized that the mapping of such a light source array with respect to a display needs to be correct such that segments/lighting units of the light source array are correctly aligned with areas of the display. This is required to optimize the user experience when a user is watching media content on the display, because an incorrect mapping would result in the light effects rendered by the light source array not corresponding (spatially) to the images/events rendered on the display. It is therefore an object of the present invention to provide a method and a control system for correctly mapping a light source array onto a display.
  • the object is achieved by a method of configuring a light source array of a system, the system further comprising a display and a user interface device, wherein the light source array comprises a plurality of individually controllable lighting units, and wherein the light source array has been positioned relative to the display, the method comprising: controlling one or more lighting units of a first segment of the light source array according to a first light setting, controlling one or more lighting units of a second segment of the light source array according to a second light setting different from the first light setting, rendering, on a screen of the user interface device, a first virtual representation of the display and a second virtual representation of the light source array, wherein the second virtual representation comprises a first part reflecting the first segment and the first light setting and a second part reflecting the second segment and the second light setting, receiving a user input indicative of positioning the second virtual representation relative to the first virtual representation on the screen, and determining a mapping of the plurality of the individually controllable lighting units with respect to the display based
  • the light source array may have been virtually segmented into a plurality of segments.
  • the light source array may, for example, have been virtually segmented into two segments (e.g. of the same length) or into more segments.
  • Each segment is controlled according to a different light setting, and these light settings are represented by the second virtual representation of the light source array that is being rendered on the screen of the user input device. This enables a user to see which virtual counterpart of a segment corresponds to which respective (physical) segment of the light source array.
  • a user may then, when the second virtual representation has been rendered, (re)position the second virtual representation (of the light source array) relative to the first virtual representation (of the display) on the screen of the user interface device.
  • the different light settings help to guide the user to correctly position the second virtual representation with respect to the display, such that the position of the second virtual representation with respect to the first virtual representation corresponds to the position of the (physical) light source array with respect to the (physical) display.
  • the mapping of the plurality of the individually controllable lighting units with respect to the display is determined based on the position of the second virtual representation relative to the first virtual representation on the screen.
  • the method may further comprise: identifying an area on the display that has been mapped onto the first segment, and causing the display to render, on the area on the display, image content that corresponds to the first light setting.
  • the user can (in real-time) see if the mapping is correct.
  • a second area on the display that has been mapped onto the second segment may be identified, and image content that corresponds to the second light setting may be rendered on the second area of the display.
  • the steps of identifying the area and rendering the content may be repeated for one or more subsequent user inputs.
  • a user may provide subsequent user inputs indicative of (re)positioning the second virtual representation relative to the first virtual representation on the screen, and the display may be controlled accordingly such that a user can constantly see if the mapping is correct.
  • the user input may comprise a repositioning of the first virtual representation or a repositioning of the second virtual representation. Additionally or alternatively, the user input may comprise a reorientation of the first virtual representation or a reorientation of the second virtual representation.
  • the first or the second light setting may be an off-setting. In other words, one of the first and second segments may be switched off.
  • the method may further comprise: rendering the media content on the display, and controlling one or more lighting units of the plurality of the individually controllable lighting units based on the media content according to the mapping. This may be beneficial because a user an immediately see if the mapping is correct.
  • the one or more lighting units of the second segment of the light source array may be controlled according to media content rendered on an area of the display most proximate to the second part of the light source array. It may occur that the light source array has been installed such that a part of the light source array is not adjacent to the display (e.g. a light strip of which only a part has been placed adjacent to one of the edges of the display). This part (segment or part of a segment) may then be controlled according to media content rendered on an area of the display most proximate to that part of the light source array.
  • the one or more lighting units of the second segment of the light source array may be controlled according to a further light setting.
  • the further light setting may be a default light setting, a user-defined light setting, a light setting of a proximate segment (a segment next to the second segment), an off-setting, etc.
  • the method may further comprise: rendering a map of a space on the screen of the user interface device, wherein the first virtual representation and the second virtual representation are positioned on the map of the space.
  • the map may be a default map of a default space, or the map may be a map that corresponds to the space (e.g. a room) of the user. This enables a user to position the first and/or second virtual representation on the map of the space.
  • the method may further comprise: determining an orientation of a controller of the light source array based on the position of the second virtual representation relative to the first virtual representation, and storing the orientation in a memory.
  • the orientation of a display is typically predefined (fixed). This enables determining the orientation(s) of the segments of the light source array. Since the order of the lighting units (and the locations of the segments) with respect to a (central) controller of the light source array are predefined (known), the orientation of the controller may be determined based on the position of the second virtual representation relative to the first virtual representation.
  • the orientation may be stored in a memory for use by a device (such as the user interface device, a central lighting control device, etc.).
  • the memory may, for example, be comprised in the user interface device, a bridge, a remote server, etc.
  • the object is achieved by a computer program product for a computing device, the computer program product comprising computer program code to perform any of the above-mentioned methods when the computer program product is run on a processing unit of the computing device.
  • the object is achieved by a control system for configuring a light source array of a system, the system further comprising a display and a user interface device, wherein the light source array comprises a plurality of individually controllable lighting units, and wherein the light source array has been positioned relative to the display, the control system comprising: a user interface device comprising a screen, one or more processors configured to control one or more lighting units of a first segment of the light source array according to a first light setting, to control one or more lighting units of a second segment of the light source array according to a second light setting different from the first light setting, and to render, on the screen, a first virtual representation of the display and a second virtual representation of the light source array, wherein the second virtual representation comprises a first part reflecting the first segment and the first light setting and a second part reflecting the second segment and the second light setting, and a user interface configured to receive a user input indicative of positioning the second virtual representation relative to the first virtual representation on the screen, where
  • the one or more processors and the user interface may be comprised in the user interface device.
  • the term “segment” is to be understood as a part of the light source array.
  • the light source array may be divided into a plurality of segments which can be controlled as segments.
  • Each segment may comprise a plurality of individually controllable lighting units that are controllable as a group.
  • Fig. la shows schematically prior art wherein a light source array has been installed at a display
  • Fig. lb shows schematically a system comprising a display, a light source array and a user interface device for configuring the light source array;
  • Figs. 2a and 2b show schematically user interfaces for configuring a light source array
  • Figs. 3a-3h illustrate examples of light source arrays
  • Fig. 4 shows schematically a user interface for configuring a light source array, wherein a display is controlled in accordance with a light source array
  • Fig. 5a shows schematically examples of repositioning of a virtual representation of a light source array on a screen
  • Fig. 5b shows schematically a screen rendering a map of a space, and an example of a repositioning of a virtual representation of a light source array on the screen;
  • Fig. 6 shows schematically a method of configuring a light source array.
  • Fig. la shows a display 120 and a light source array 110.
  • the light source array 110 has been installed (positioned/placed) at the display 120.
  • the light source array 110 may be configured to be controlled based on colors of images of media content (e.g. video, game content) being rendered on the display 120. This requires that the light sources (not shown) of the light source array 110 are correctly mapped onto the display 120.
  • Fig. lb shows schematically a system comprising a display 120, a light source array 110 and a user interface device 130 for configuring the light source array.
  • the control system 102 illustrated in Fig. lb assists the user in correctly mapping the light source array 110 with respect to the display 120.
  • the light source array 110 comprises individually controllable lighting units (not shown).
  • the individually controllable lighting units may be single (LED) light sources of the light source array 110, or (small) groups of (LED) light sources (e.g. groups of 3 or 5 light sources).
  • the light source array 110 comprises a controller configured to control the individually controllable lighting units to generate a spatial light effect across the different individually controllable lighting units.
  • the light source array 110 further comprises a receiver configured to receive lighting control commands from the control system 102 and the controller may control the individually controllable lighting units accordingly. Control methods for such (pixelated) light source arrays are known in the art and will therefore not be discussed in detail.
  • the control system 102 comprises a communication unit (not shown) configured to communicate with the light source array 110.
  • the communication unit may communicate lighting control commands to the light source array 110 to control the individually controllable lighting units of the segments 112, 114.
  • the communication unit may comprise hardware for transmitting the lighting control commands via one or more communication protocols for example Ethernet, DMX, DALI, USB, Bluetooth, Wi-Fi, Li-Fi, 3G, 4G, 5G or ZigBee.
  • a specific communication technology may be selected based on the communication capabilities of the light source array 110, the power consumption of the communication driver for the (wireless) communication technology and/or the communication range of the signals.
  • the control system 102 further comprises the user interface device 130 comprising a screen 132 (a display).
  • the control system 102 further comprises at least one processor 106 (e.g. circuitry, a microcontroller, a microprocessor, etc.) (not shown), which is configured to control one or more lighting units of a first segment 112 of the light source array 110 according to a first light setting, to control one or more lighting units of a second segment 114 of the light source array 110 according to a second light setting different from the first light setting.
  • Each segment comprises one or more individually controllable lighting units.
  • the lighting control commands communicated to the light source array 110 may comprise control instructions to control the light properties of the individually controllable lighting units of the segments 112, 114 according to the respective light settings.
  • the second light setting is (perceivably) different from the first light setting.
  • the first or the second light setting may be an off-setting.
  • the light settings may for example be predefined (e.g. red and green colored, rainbow colored, on/off, etc.), random or user defined (e.g. via the user interface of the user interface device 130).
  • the one or more processors 106 are further configured to render, on the screen 132, a first virtual representation 120’ of the display 120 and a second virtual representation 110’ of the light source array 110, wherein the second virtual representation comprises a first part 112’ reflecting the first segment 112 and the first light setting and a second part 114’ reflecting the second segment 114 and the second light setting.
  • the virtual representations are virtual counterparts of the display 120 and the light source array 110 rendered on the screen 132.
  • the processor 106 may be comprised in the user interface device 130 only.
  • the control system 102 may comprise a plurality of processors 106, for example a first processor comprised in a lighting control device (e.g.
  • the user interface device 130 (e.g. a portable device such as a smartphone, a laptop, a tablet pc, a smart watch, smart glasses, etc.) comprises a user interface configured to receive a user input 160.
  • the user input is a touch input received via a touch sensitive surface of the screen 132.
  • the user input 160 is indicative of positioning or repositioning the second virtual representation 110’ relative to the first virtual representation 120’on the screen 132.
  • Fig. lb illustrates an example wherein a user may drag 160 the second virtual representation 110’ across the screen to position it relative to the first virtual representation 120’ (other examples are illustrated in Fig. 4a).
  • the one or more processors are further configured to determine a mapping of the plurality of the individually controllable lighting units of the light source array 110 with respect to the display 120 based on the position of the second virtual representation 110’ relative to the first virtual representation 120’ on the screen 132.
  • the one or more processors 106 may for example determine the position of the light source array 110 relative to the display 120 by determining the position of a reference point of the second virtual representation 110’ (e.g. a position of the distal end, the proximal end and/or the center of the second virtual representation 110’) with respect to a position of a reference point of the first virtual representation 120’ (e.g.
  • the one or more processors (106) may then determine a mapping of the plurality of the individually controllable lighting units of the light source array 110 with respect to the display 120 based on the (physical) position.
  • the one or more processors (106) may store the mapping in a memory such that the mapping can be retrieved when media content is being rendered on the display 120, such that one or more lighting units of the plurality of the individually controllable lighting units are controlled based on the media content according to the mapping.
  • the mapping may, for example, comprise associations between (pixel) areas of the display 120 and individually controllable lighting units of the light source array 110, such that when the media content is being rendered on the display 120, individually controllable lighting units associated with an area are controlled according to colors of (pixels of) this area.
  • the light source array 110 has been segmented in two segments 112, 114. In other examples, the light source array 110 may be segmented in more than two segments. Each segment comprises one or more individually controllable lighting units. In an example, each individually controllable lighting unit may be a segment. This is illustrated in Fig. 2a, wherein the light source array 110 has been segmented such that each individually controllable lighting unit is a segment, and the light source array 110 is controlled such that a gradient is rendered across the light source array 110. The second virtual representation 110’ reflects this gradient. The gradient assists the user in correctly mapping the light source array 110 with respect to the display 120.
  • the segments of the light source array 110 may be predefined.
  • the light source array 110 may, for example, be segmented into a plurality of equal segments.
  • the segments may be user-defined or be adjustable by the user. The user may for example provide user input (via the user interface) to change the distribution of the segments across the light source array 110.
  • the number of segments when configuring the light source array 110 may differ from the number of segments that are used to control the light source array 110.
  • the number of segments when configuring the light source array 110 may be lower (e.g. two segments) compared to the number of segments when the light source array is being controlled (e.g. each lighting unit may be an individually controllable segment).
  • the user may wish to install a plurality of light source arrays 110 at a display 120.
  • the one or more processors (106) may be further configured to control a second light source array 210 in a similar manner as a first light source array (as described above), and a user may position a third virtual representation 210’ that reflects the second light source array 210 with respect to the display on the screen 132.
  • the one or more processors (106) may then determine a mapping of a plurality of individually controllable lighting units of the second light source array 210 with respect to the display 120 based on the position of the third representation 210’ relative to the first virtual representation 120’. An example thereof has been illustrated in Fig. 2b.
  • the light source array 110 may be any type of light source array 110 configured to be positioned at a display 120.
  • the light source array 110 may for example be a light strip, a light string, a modular lighting device comprising a plurality of interconnectable elements, a (linear) array of light sources (e.g. light sources on a rail or in a luminaire), etc.
  • Figs. 3a-3g illustrate examples of light source arrays.
  • the light source arrays may comprise a controller 300 for controlling the (LED) light sources (illustrated as small squares in Figs. 3a- 3g).
  • the light source arrays may comprise multiple controllers 300 for controlling the light sources.
  • the light sources may for example comprise one or more LEDs (e.g.
  • Fig. 3a illustrates an example of a light source array, wherein the light source array is a light strip.
  • the dashed lines indicate the individually controllable lighting units.
  • each individually controllable lighting unit comprises a light source.
  • Fig. 3b illustrates an example of a light source array, wherein the light source array is a light strip.
  • the dashed lines indicate the individually controllable lighting units.
  • each individually controllable lighting unit comprises a plurality of light sources that are controlled as a group.
  • Fig. 3c illustrates an example of a light source array, wherein the light source array is a light strip.
  • the light strip may comprise a support surface configured to be partially cut between the light sources/individually controllable lighting units (indicated by the dashed triangles) without cutting power and control lines, which enables a user to fold the light strip at the cut in order to position the light strip at a comer of the display 120.
  • Fig. 3d illustrates an alternative, wherein the light source array comprises connectors between lighting units, which enable a user to increase or reduce the length of the light source array.
  • Fig. 3e illustrates an example of a light source array, wherein the light sources are positioned in a two-dimensional configuration (e.g. a tile-configuration), and wherein the light source array comprises connectors between lighting units which enable a user to increase or reduce the length of the light source array.
  • the light source array 110 is configured to be installed at the display 120, may require the light source array to be installed along a comer of the display 120. Depending on the type of light source array, the user may create the corner in the light source array 110 such that it matches the corner of the display 120.
  • the light source array 110 may, for example, be adapted to be folded, bent and/or cut (see Fig. 3c). Additionally or alternatively, the light source array 110 may comprise connectors between the lighting units, and a user may connect the different lighting units under an angle to create the corner.
  • Figs. 3f-3h illustrate different examples of creating a corner with multiple lighting units. For instance, as illustrated in Fig. 3f, a corner connector element may be positioned between two lighting units (and therewith between two segments).
  • a flexible connector may be positioned between two lighting units (and therewith between two segments).
  • a (distal) end of a segment may comprise multiple connectors oriented in different directions, such that another segment can be connected to the (distal) end.
  • the user interface of the user interface device 130 may be further configured to receive user input indicative of that the light source array 110 has been positioned along a corner of the display 120.
  • a user may, for example, indicate the location of the comer on the second virtual representation 110’, and position different parts (or segments) at different sides/edges of the display 120.
  • the light source array 110 may be configured to communicate at which location the light source array is cornered.
  • the controller 300 of the light source array may obtain this information based on a detected presence of a corner element (see Fig. 3f), based on a detected presence of another segment (Fig. 3h), etc., and the controller 300 may communicate this information to the one or more processors (106) of the control system 102.
  • the one or more processors (106) may be further configured to identify an area on the display 120 that has been mapped onto the first segment 112 (based on the mapping), and to cause the display 120 to render, on the area on the display 120, image content that corresponds to the first light setting.
  • the one or more processors 106 may communicate instructions to the display 120 to cause the display 120 to render the image content.
  • Fig. 4 illustrates an example wherein the one or more processors (106) are configured to control the display 120 to render image content on a first area 112” that corresponds to the first light setting of the first segment 112. Additionally, the one or more processors (106) may be configured to control the display 120 to render image content on a second area 114” that corresponds to the second light setting of the second segment 114.
  • the one or more processors (106) may be configured to determine the first (and second) area based on the mapping, and therefore based on how the user has positioned the second virtual representation 110’ with respect to the first virtual representation 120’ on the screen 132.
  • the mapping is not correct because the second virtual representation 110’ is positioned too low with respect to the first virtual representation 120’. This is visible for the user on the display 120, which shows that the segments 112, 114 of the light source array 110 are not aligned with the respective areas 112”, 114” rendered on the display.
  • the user may reposition the second virtual representation 110’ (by moving the second virtual representation 110’ upwards (or by moving the second virtual representation 120’ downwards)).
  • the one or more processors (106) may be configured to repeat the steps of identifying the area and rendering the content for one or more subsequent user inputs.
  • a user may provide a subsequent user input indicative of (re)positioning the second virtual representation 110’ relative to the first virtual representation 120’ on the screen 132, and the display 120 may be controlled accordingly such that a user can constantly see if the mapping is correct.
  • the user input is indicative of positioning the second virtual representation 110’ relative to the first virtual representation 120’ on the screen 132.
  • the positioning may be an initial positioning of the first or second virtual representation 120’, 110’ (e.g. placing the second virtual representation 110’ on a map of a space) or a repositioning of the first or second virtual representation 120’, 110’.
  • Fig. 5a illustrates examples of user input indicative of repositioning the second virtual representation 110’.
  • the second virtual representation 110’ may be rotated (left in Fig. 5a), moved (center in Fig. 5a) and/or scaled (right in Fig.
  • the media content may be rendered on the display 120, and the one or more lighting units of the plurality of the individually controllable lighting units may be controlled based on the media content according to the mapping.
  • the processor 106 may be configured to cause a media rendering device to render the media content, for instance by communicating instructions to the media rendering device to render the media content.
  • the media rendering device may, for example, be the display device comprising the display 120, an external media rendering device (e.g. a set-top box, a media player, a video game console, etc.), the user interface device 130, etc.
  • the system may further comprise a lighting control device (e.g.
  • a bridge for controlling the lighting units of the light source array 110 based on the media content.
  • the lighting units may be controlled based on the media content, for instance by analyzing colors of images that are rendered on the display 120 and by controlling the lighting units accordingly.
  • the lighting devices may be controlled according to a light script which comprises pre-programmed lighting control instructions. Techniques for controlling lighting units or light source arrays based on media content by a lighting control device are known in the art and will therefore not be discussed in further detail.
  • the one or more lighting units of the second segment of the light source array may be controlled according to media content rendered on an area of the display 120 most proximate to the second part of the light source array 110. It may occur that the light source array 110 has been installed such that a part of the light source array is not adjacent to the display 120 (e.g. a light strip of which only a part has been placed adjacent to one of the edges of the display). This part (segment or part of a segment) may then be controlled according to media content rendered on an area of the display 120 most proximate to that part of the light source array 110.
  • the one or more lighting units of the second segment of the light source array 110 may be controlled according to a further light setting.
  • the further light setting may be a default light setting, a user-defined light setting, a light setting of a proximate segment (a segment next to the second segment), an off-setting, etc.
  • the one or more processors (106) may further be configured to render a map of a space on the screen of the user interface device, wherein the first virtual representation and the second virtual representation are positioned on the map of the space.
  • Fig. 5b illustrates an example wherein a map 500 of a space has been rendered on the screen 132 of the user interface device 130. This enables a user to provide user input to position the first and/or second virtual representation on the map 500 of the space.
  • the map 500 further shows two other devices 512 (e.g. lighting devices) and a couch located in the space.
  • the map may be a default map of a default space, or the map may be a map that corresponds to the space (e.g. a room) of the user.
  • the map may be automatically generated (e.g.
  • the user may further indicate the height of the light source array 110 via the user interface with respect to the display, for instance by switching to a front-view and indicating the height in the front-view, by indicating whether the light source is located below or above the display, etc.
  • the one or more processors (106) may be further configured to receive first information indicative of dimensions of the display 120 (e.g. height and width), and to receive second information indicative of dimensions the light source array 110 (e.g. its length).
  • the first and second information may be received via the same or via a different communication protocol that is used for communicating with the light source array 110.
  • the dimensions of the display may for example be the dimensions of the display or the dimensions of a display device comprising the display.
  • the first information indicative of the dimensions of the display 120 may be received from the display 120 via the communication unit. Additionally or alternatively, the second information indicative of the dimensions of the light source array 110 may be received from the light source array 110 via the communication unit.
  • the first and/or second information may comprise an identifier, a type and/or a product name or number of the light source array 110/display 120, respectively, and the respective dimensions may be determined based on this information.
  • the dimensions of the light source array 110 and/or the display 120 may be defined by a user via a user interface.
  • the one or more processors (106) may be further configured to determine the size of the first representation 120’ based on the dimensions of the display 120, and/or to determine the size of the second representation 110’ based on the dimensions of the light source array 110.
  • the sizes of the virtual representations may be predefined.
  • the one or more processors (106) may be further configured to segment the light sources array into a plurality of segments (e.g. the first and second segments 112, 114) based on based on the dimensions of the light source array 110.
  • the segments of the light source array 110 may be predefined (the light source array 110 may for example be segmented into two equal parts).
  • the one or more processors (106) may be configured to determine an orientation of a controller 300 of the light source array 110 based on the position of the second virtual representation relative to the first virtual representation, and store the orientation in a memory.
  • the orientation of a display is typically fixed or known. This enables determining the orientation(s) of the segments 112, 114 of the light source array 110.
  • the order of the lighting units (and the locations of the segments) with respect to the (central) controller 300 of the light source array are known (see Figs. 3a-3h) and for example be communicated to the one or more processors (106) (e.g. by the controller 300).
  • the one or more processors (106) may determine the orientation of the controller 300 based on the position of the second virtual representation relative to the first virtual representation.
  • the one or more processors (106) may store the orientation in a memory for use by a device (such as the user interface device 130, a central lighting control device, etc.).
  • the memory may, for example, be comprised in the user interface device, a bridge, a remote server, etc.
  • Fig. 6 shows schematically a method of configuring a light source array of a system, the system further comprising a display and a user interface device, wherein the light source array comprises a plurality of individually controllable lighting units, and wherein the light source array has been positioned relative to the display.
  • the method comprises: controlling 602 one or more lighting units of a first segment of the light source array according to a first light setting, controlling 604 one or more lighting units of a second segment of the light source array according to a second light setting different from the first light setting, rendering 606, on a screen of the user interface device, a first virtual representation of the display and a second virtual representation of the light source array, wherein the second virtual representation comprises a first part reflecting the first segment and the first light setting and a second part reflecting the second segment and the second light setting, receiving 608 a user input indicative of positioning the second virtual representation relative to the first virtual representation on the screen, and determining 610 a mapping of the plurality of the individually controllable lighting units with respect to the display based on the position of the second virtual representation relative to the first virtual representation, such that when media content is being rendered on the display one or more lighting units of the plurality of the individually controllable lighting units are controlled based on the media content according to the mapping.
  • the method 600 may be executed by computer program code of a computer program product when the computer program product is run on a processing unit of a computing device, such as the one or more processors 106 of the control system 102.
  • any reference signs placed between parentheses shall not be construed as limiting the claim.
  • Use of the verb "comprise” and its conjugations does not exclude the presence of elements or steps other than those stated in a claim.
  • the article “a” or “an” preceding an element does not exclude the presence of a plurality of such elements.
  • the invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer or processing unit. In the device claim enumerating several means, several of these means may be embodied by one and the same item of hardware. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
  • aspects of the invention may be implemented in a computer program product, which may be a collection of computer program instructions stored on a computer readable storage device which may be executed by a computer.
  • the instructions of the present invention may be in any interpretable or executable code mechanism, including but not limited to scripts, interpretable programs, dynamic link libraries (DLLs) or Java classes.
  • the instructions can be provided as complete executable programs, partial executable programs, as modifications to existing programs (e.g. updates) or extensions for existing programs (e.g. plugins).
  • parts of the processing of the present invention may be distributed over multiple computers or processors or even the ‘cloud’.
  • Storage media suitable for storing computer program instructions include all forms of nonvolatile memory, including but not limited to EPROM, EEPROM and flash memory devices, magnetic disks such as the internal and external hard disk drives, removable disks and CD-ROM disks.
  • the computer program product may be distributed on such a storage medium, or may be offered for download through HTTP, FTP, email or through a server connected to a network such as the Internet.

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Abstract

A method (600) of configuring a light source array (110) of a system is disclosed. The system further comprising a display (120) and a user interface device (130), wherein the light source array (110) comprises a plurality of individually controllable lighting units, and wherein the light source array (110) has been positioned relative to the display (120). The method (600) comprises: controlling (602) one or more lighting units of a first segment (112) of the light source array (110) according to a first light setting, controlling (604) one or more lighting units of a second segment (114) of the light source array (110) according to a second light setting different from the first light setting, rendering (606), on a screen (132) of the user interface device (130), a first virtual representation (120') of the display (120) and a second virtual representation (110') of the light source array (110), wherein the second virtual representation (110') comprises a first part reflecting the first segment (112) and the first light setting and a second part reflecting the second segment (114) and the second light setting, receiving (608) a user input (160) indicative of positioning the second virtual representation (110') relative to the first virtual representation (120') on the screen (132), and determining (610) a mapping of the plurality of the individually controllable lighting units with respect to the display (120) based on the position of the second virtual representation (110') relative to the first virtual representation (120'), such that when media content is being rendered on the display (120) one or more lighting units of the plurality of the individually controllable lighting units are controlled based on the media content according to the mapping.

Description

A control system and method of configuring a light source array
FIELD OF THE INVENTION
The invention relates to a method of configuring a light source array and to a computer program product for executing the method. The invention further relates to a control system for configuring a light source array.
BACKGROUND
Current home systems comprise a plurality of controllable lighting devices. In such systems, the lighting devices can be controlled based on media content that is being rendered on a display. A user may, for example, play a movie or a game on the display of a display device (e.g. a television, a pc monitor, a tablet pc, a projector, etc.). The lighting devices may be controlled based on the media content that is being rendered on the display, for instance by analyzing colors of images that are rendered on the display and by controlling the lighting devices accordingly. Alternatively, the lighting devices may be controlled according to a light script which comprises pre-programmed lighting control instructions for the lighting devices. The lighting control instructions are communicated to the lighting devices to control them in sync with the media content that is being rendered on the display. This brings the atmosphere of the movie or the game into the room of the user.
The lighting control instructions that are transmitted to the lighting devices depend on the location of the lighting devices relative to the display, such that locations of on-screen events (e.g. an explosion, a sunset, an object approaching from one side of the display, etc.) correspond to locations of light effects generated by the lighting devices. In present systems, a user interface is provided that enables a user to map the lighting devices onto the display, and thereby create a mapping of the lighting devices relative to the display. A map of a space is rendered on a screen of a mobile device (e.g. a smartphone), which shows a location of the display in the space. A user may position the lighting devices on the map of the space relative to the display, such that they can be controlled based on rendered media content accordingly.
A user may for example install a light strip behind the display or in proximity of the display, for example by placing the light strip on a surface (e.g. a wall, a tv cabinet, etc.) or on the back of the display device. However, installing and configuring such a light strip with individually controllable lighting units can be cumbersome for an average user.
WO 2018224390 A1 discloses an electronic device configured to obtain information identifying available light sources, including their positions. The electronic device is further configured to receive an instruction to render a light effect. The electronic device is further configured to map the light effect to one or more of the available light sources based on one or more light effect parameters, a mapping function identifier, one or more spatial indications and the positions of the available light sources.
SUMMARY OF THE INVENTION
The inventors have realized that it may be difficult for users to map a light source array (e.g. a light strip) with individually controllable lighting units correctly with respect to a display. Such a light source array with individually controllable lighting units is able to create spatial light effects because each lighting unit is individually controllable. The inventors have realized that the mapping of such a light source array with respect to a display needs to be correct such that segments/lighting units of the light source array are correctly aligned with areas of the display. This is required to optimize the user experience when a user is watching media content on the display, because an incorrect mapping would result in the light effects rendered by the light source array not corresponding (spatially) to the images/events rendered on the display. It is therefore an object of the present invention to provide a method and a control system for correctly mapping a light source array onto a display.
According to a first aspect of the present invention, the object is achieved by a method of configuring a light source array of a system, the system further comprising a display and a user interface device, wherein the light source array comprises a plurality of individually controllable lighting units, and wherein the light source array has been positioned relative to the display, the method comprising: controlling one or more lighting units of a first segment of the light source array according to a first light setting, controlling one or more lighting units of a second segment of the light source array according to a second light setting different from the first light setting, rendering, on a screen of the user interface device, a first virtual representation of the display and a second virtual representation of the light source array, wherein the second virtual representation comprises a first part reflecting the first segment and the first light setting and a second part reflecting the second segment and the second light setting, receiving a user input indicative of positioning the second virtual representation relative to the first virtual representation on the screen, and determining a mapping of the plurality of the individually controllable lighting units with respect to the display based on the position of the second virtual representation relative to the first virtual representation, such that when media content is being rendered on the display one or more lighting units of the plurality of the individually controllable lighting units are controlled based on the media content according to the mapping.
The light source array may have been virtually segmented into a plurality of segments. The light source array may, for example, have been virtually segmented into two segments (e.g. of the same length) or into more segments. Each segment is controlled according to a different light setting, and these light settings are represented by the second virtual representation of the light source array that is being rendered on the screen of the user input device. This enables a user to see which virtual counterpart of a segment corresponds to which respective (physical) segment of the light source array. A user may then, when the second virtual representation has been rendered, (re)position the second virtual representation (of the light source array) relative to the first virtual representation (of the display) on the screen of the user interface device. Since the segments are controlled according to different light settings, and since these light settings are visible on the screen of the user interface device, the different light settings help to guide the user to correctly position the second virtual representation with respect to the display, such that the position of the second virtual representation with respect to the first virtual representation corresponds to the position of the (physical) light source array with respect to the (physical) display. After the user has provided the user input (e.g. a touch input, an input via a peripheral device such as a computer mouse, etc.) to position the second virtual representation with respect to the display, the mapping of the plurality of the individually controllable lighting units with respect to the display is determined based on the position of the second virtual representation relative to the first virtual representation on the screen. As a result, a correct mapping of the light source array onto the display is created, and the segments of the light source array are correctly aligned with areas of the display. Due to the correct mapping, the individually controllable lighting units of the light source array can be correctly controlled when media content is being rendered on the display. The method may further comprise: identifying an area on the display that has been mapped onto the first segment, and causing the display to render, on the area on the display, image content that corresponds to the first light setting. By controlling the display such that the area that corresponds to the first segment shows image content that corresponds to the first light setting, the user can (in real-time) see if the mapping is correct. Similarly, a second area on the display that has been mapped onto the second segment may be identified, and image content that corresponds to the second light setting may be rendered on the second area of the display.
The steps of identifying the area and rendering the content may be repeated for one or more subsequent user inputs. In other words, a user may provide subsequent user inputs indicative of (re)positioning the second virtual representation relative to the first virtual representation on the screen, and the display may be controlled accordingly such that a user can constantly see if the mapping is correct.
The user input may comprise a repositioning of the first virtual representation or a repositioning of the second virtual representation. Additionally or alternatively, the user input may comprise a reorientation of the first virtual representation or a reorientation of the second virtual representation.
The first or the second light setting may be an off-setting. In other words, one of the first and second segments may be switched off.
The method may further comprise: rendering the media content on the display, and controlling one or more lighting units of the plurality of the individually controllable lighting units based on the media content according to the mapping. This may be beneficial because a user an immediately see if the mapping is correct.
If one or more lighting units of the second segment are not adjacent to the display, the one or more lighting units of the second segment of the light source array may be controlled according to media content rendered on an area of the display most proximate to the second part of the light source array. It may occur that the light source array has been installed such that a part of the light source array is not adjacent to the display (e.g. a light strip of which only a part has been placed adjacent to one of the edges of the display). This part (segment or part of a segment) may then be controlled according to media content rendered on an area of the display most proximate to that part of the light source array. Alternatively, the one or more lighting units of the second segment of the light source array may be controlled according to a further light setting. The further light setting may be a default light setting, a user-defined light setting, a light setting of a proximate segment (a segment next to the second segment), an off-setting, etc.
The method may further comprise: rendering a map of a space on the screen of the user interface device, wherein the first virtual representation and the second virtual representation are positioned on the map of the space. The map may be a default map of a default space, or the map may be a map that corresponds to the space (e.g. a room) of the user. This enables a user to position the first and/or second virtual representation on the map of the space.
The method may further comprise: determining an orientation of a controller of the light source array based on the position of the second virtual representation relative to the first virtual representation, and storing the orientation in a memory. The orientation of a display is typically predefined (fixed). This enables determining the orientation(s) of the segments of the light source array. Since the order of the lighting units (and the locations of the segments) with respect to a (central) controller of the light source array are predefined (known), the orientation of the controller may be determined based on the position of the second virtual representation relative to the first virtual representation. The orientation may be stored in a memory for use by a device (such as the user interface device, a central lighting control device, etc.). The memory may, for example, be comprised in the user interface device, a bridge, a remote server, etc.
According to a second aspect of the present invention, the object is achieved by a computer program product for a computing device, the computer program product comprising computer program code to perform any of the above-mentioned methods when the computer program product is run on a processing unit of the computing device.
According to a third aspect of the present invention, the object is achieved by a control system for configuring a light source array of a system, the system further comprising a display and a user interface device, wherein the light source array comprises a plurality of individually controllable lighting units, and wherein the light source array has been positioned relative to the display, the control system comprising: a user interface device comprising a screen, one or more processors configured to control one or more lighting units of a first segment of the light source array according to a first light setting, to control one or more lighting units of a second segment of the light source array according to a second light setting different from the first light setting, and to render, on the screen, a first virtual representation of the display and a second virtual representation of the light source array, wherein the second virtual representation comprises a first part reflecting the first segment and the first light setting and a second part reflecting the second segment and the second light setting, and a user interface configured to receive a user input indicative of positioning the second virtual representation relative to the first virtual representation on the screen, wherein the one or more processors are further configured to determine a mapping of the plurality of the individually controllable lighting units with respect to the display based on the position of the second virtual representation relative to the first virtual representation, such that when media content is being rendered on the display one or more lighting units of the plurality of the individually controllable lighting units are controlled based on the media content according to the mapping.
The one or more processors and the user interface may be comprised in the user interface device.
It should be understood that the computer program product and the control system may have similar and/or identical embodiments and advantages as the above- mentioned methods.
In the context of the present invention the term “segment” is to be understood as a part of the light source array. The light source array may be divided into a plurality of segments which can be controlled as segments. Each segment may comprise a plurality of individually controllable lighting units that are controllable as a group.
BRIEF DESCRIPTION OF THE DRAWINGS
The above, as well as additional objects, features and advantages of the disclosed systems, devices and methods will be better understood through the following illustrative and non-limiting detailed description of embodiments of devices and methods, with reference to the appended drawings, in which:
Fig. la shows schematically prior art wherein a light source array has been installed at a display;
Fig. lb shows schematically a system comprising a display, a light source array and a user interface device for configuring the light source array;
Figs. 2a and 2b show schematically user interfaces for configuring a light source array;
Figs. 3a-3h illustrate examples of light source arrays;
Fig. 4 shows schematically a user interface for configuring a light source array, wherein a display is controlled in accordance with a light source array; Fig. 5a shows schematically examples of repositioning of a virtual representation of a light source array on a screen;
Fig. 5b shows schematically a screen rendering a map of a space, and an example of a repositioning of a virtual representation of a light source array on the screen; and
Fig. 6 shows schematically a method of configuring a light source array.
All the figures are schematic, not necessarily to scale, and generally only show parts which are necessary in order to elucidate the invention, wherein other parts may be omitted or merely suggested.
DETAILED DESCRIPTION OF EMBODIMENTS
Fig. la shows a display 120 and a light source array 110. The light source array 110 has been installed (positioned/placed) at the display 120. The light source array 110 may be configured to be controlled based on colors of images of media content (e.g. video, game content) being rendered on the display 120. This requires that the light sources (not shown) of the light source array 110 are correctly mapped onto the display 120. Fig. lb shows schematically a system comprising a display 120, a light source array 110 and a user interface device 130 for configuring the light source array. The control system 102 illustrated in Fig. lb assists the user in correctly mapping the light source array 110 with respect to the display 120.
The light source array 110 comprises individually controllable lighting units (not shown). The individually controllable lighting units may be single (LED) light sources of the light source array 110, or (small) groups of (LED) light sources (e.g. groups of 3 or 5 light sources). The light source array 110 comprises a controller configured to control the individually controllable lighting units to generate a spatial light effect across the different individually controllable lighting units. The light source array 110 further comprises a receiver configured to receive lighting control commands from the control system 102 and the controller may control the individually controllable lighting units accordingly. Control methods for such (pixelated) light source arrays are known in the art and will therefore not be discussed in detail.
The control system 102 comprises a communication unit (not shown) configured to communicate with the light source array 110. The communication unit may communicate lighting control commands to the light source array 110 to control the individually controllable lighting units of the segments 112, 114. The communication unit may comprise hardware for transmitting the lighting control commands via one or more communication protocols for example Ethernet, DMX, DALI, USB, Bluetooth, Wi-Fi, Li-Fi, 3G, 4G, 5G or ZigBee. A specific communication technology may be selected based on the communication capabilities of the light source array 110, the power consumption of the communication driver for the (wireless) communication technology and/or the communication range of the signals.
The control system 102 further comprises the user interface device 130 comprising a screen 132 (a display). The control system 102 further comprises at least one processor 106 (e.g. circuitry, a microcontroller, a microprocessor, etc.) (not shown), which is configured to control one or more lighting units of a first segment 112 of the light source array 110 according to a first light setting, to control one or more lighting units of a second segment 114 of the light source array 110 according to a second light setting different from the first light setting. Each segment comprises one or more individually controllable lighting units. The lighting control commands communicated to the light source array 110 may comprise control instructions to control the light properties of the individually controllable lighting units of the segments 112, 114 according to the respective light settings. These light properties may relate to the color, intensity, saturation, spectrum, beam size, beam shape, etc. The second light setting is (perceivably) different from the first light setting. The first or the second light setting may be an off-setting. The light settings may for example be predefined (e.g. red and green colored, rainbow colored, on/off, etc.), random or user defined (e.g. via the user interface of the user interface device 130). The one or more processors 106 are further configured to render, on the screen 132, a first virtual representation 120’ of the display 120 and a second virtual representation 110’ of the light source array 110, wherein the second virtual representation comprises a first part 112’ reflecting the first segment 112 and the first light setting and a second part 114’ reflecting the second segment 114 and the second light setting. The virtual representations are virtual counterparts of the display 120 and the light source array 110 rendered on the screen 132. The processor 106 may be comprised in the user interface device 130 only. Alternatively, the control system 102 may comprise a plurality of processors 106, for example a first processor comprised in a lighting control device (e.g. a bridge, a central (home) control system, a remote server, etc.) that may be configured to control the lighting units of the lighting array 110 according to the light settings, and a second processor comprised in the user interface device 130 that may be configured to render the virtual representations on the screen 132. The user interface device 130 (e.g. a portable device such as a smartphone, a laptop, a tablet pc, a smart watch, smart glasses, etc.) comprises a user interface configured to receive a user input 160. In the examples in the Figures, the user input is a touch input received via a touch sensitive surface of the screen 132. It should be understood that this is an example, and that the skilled person is able to design alternative user interfaces (such as voice-controlled, peripheral device-controlled (e.g. with a computer mouse, a stylus, etc.), etc.) without departing from the scope of the appended claims. The user input 160 is indicative of positioning or repositioning the second virtual representation 110’ relative to the first virtual representation 120’on the screen 132. Fig. lb illustrates an example wherein a user may drag 160 the second virtual representation 110’ across the screen to position it relative to the first virtual representation 120’ (other examples are illustrated in Fig. 4a).
The one or more processors are further configured to determine a mapping of the plurality of the individually controllable lighting units of the light source array 110 with respect to the display 120 based on the position of the second virtual representation 110’ relative to the first virtual representation 120’ on the screen 132. The one or more processors 106 may for example determine the position of the light source array 110 relative to the display 120 by determining the position of a reference point of the second virtual representation 110’ (e.g. a position of the distal end, the proximal end and/or the center of the second virtual representation 110’) with respect to a position of a reference point of the first virtual representation 120’ (e.g. a position of an edge and/or the center of the first virtual representation 120’), and determine (and store) the (physical) position of the light source array 110 with respect to the display 120 based thereon. The one or more processors (106) may then determine a mapping of the plurality of the individually controllable lighting units of the light source array 110 with respect to the display 120 based on the (physical) position. The one or more processors (106) may store the mapping in a memory such that the mapping can be retrieved when media content is being rendered on the display 120, such that one or more lighting units of the plurality of the individually controllable lighting units are controlled based on the media content according to the mapping. The mapping may, for example, comprise associations between (pixel) areas of the display 120 and individually controllable lighting units of the light source array 110, such that when the media content is being rendered on the display 120, individually controllable lighting units associated with an area are controlled according to colors of (pixels of) this area.
In the example of Fig. lb, the light source array 110 has been segmented in two segments 112, 114. In other examples, the light source array 110 may be segmented in more than two segments. Each segment comprises one or more individually controllable lighting units. In an example, each individually controllable lighting unit may be a segment. This is illustrated in Fig. 2a, wherein the light source array 110 has been segmented such that each individually controllable lighting unit is a segment, and the light source array 110 is controlled such that a gradient is rendered across the light source array 110. The second virtual representation 110’ reflects this gradient. The gradient assists the user in correctly mapping the light source array 110 with respect to the display 120.
The segments of the light source array 110 may be predefined. The light source array 110 may, for example, be segmented into a plurality of equal segments. The segments may be user-defined or be adjustable by the user. The user may for example provide user input (via the user interface) to change the distribution of the segments across the light source array 110. The number of segments when configuring the light source array 110 may differ from the number of segments that are used to control the light source array 110. The number of segments when configuring the light source array 110 may be lower (e.g. two segments) compared to the number of segments when the light source array is being controlled (e.g. each lighting unit may be an individually controllable segment).
The user may wish to install a plurality of light source arrays 110 at a display 120. The one or more processors (106) may be further configured to control a second light source array 210 in a similar manner as a first light source array (as described above), and a user may position a third virtual representation 210’ that reflects the second light source array 210 with respect to the display on the screen 132. The one or more processors (106) may then determine a mapping of a plurality of individually controllable lighting units of the second light source array 210 with respect to the display 120 based on the position of the third representation 210’ relative to the first virtual representation 120’. An example thereof has been illustrated in Fig. 2b.
The light source array 110 may be any type of light source array 110 configured to be positioned at a display 120. The light source array 110 may for example be a light strip, a light string, a modular lighting device comprising a plurality of interconnectable elements, a (linear) array of light sources (e.g. light sources on a rail or in a luminaire), etc. Figs. 3a-3g illustrate examples of light source arrays. The light source arrays may comprise a controller 300 for controlling the (LED) light sources (illustrated as small squares in Figs. 3a- 3g). Alternatively, the light source arrays may comprise multiple controllers 300 for controlling the light sources. The light sources may for example comprise one or more LEDs (e.g. multicolor LEDs, groups of LEDs, etc.). Fig. 3a illustrates an example of a light source array, wherein the light source array is a light strip. The dashed lines indicate the individually controllable lighting units. In this example, each individually controllable lighting unit comprises a light source. Fig. 3b illustrates an example of a light source array, wherein the light source array is a light strip. The dashed lines indicate the individually controllable lighting units. In this example, each individually controllable lighting unit comprises a plurality of light sources that are controlled as a group. Fig. 3c illustrates an example of a light source array, wherein the light source array is a light strip. The light strip may comprise a support surface configured to be partially cut between the light sources/individually controllable lighting units (indicated by the dashed triangles) without cutting power and control lines, which enables a user to fold the light strip at the cut in order to position the light strip at a comer of the display 120. Fig. 3d illustrates an alternative, wherein the light source array comprises connectors between lighting units, which enable a user to increase or reduce the length of the light source array. Fig. 3e illustrates an example of a light source array, wherein the light sources are positioned in a two-dimensional configuration (e.g. a tile-configuration), and wherein the light source array comprises connectors between lighting units which enable a user to increase or reduce the length of the light source array.
The light source array 110 is configured to be installed at the display 120, may require the light source array to be installed along a comer of the display 120. Depending on the type of light source array, the user may create the corner in the light source array 110 such that it matches the corner of the display 120. The light source array 110 may, for example, be adapted to be folded, bent and/or cut (see Fig. 3c). Additionally or alternatively, the light source array 110 may comprise connectors between the lighting units, and a user may connect the different lighting units under an angle to create the corner. Figs. 3f-3h illustrate different examples of creating a corner with multiple lighting units. For instance, as illustrated in Fig. 3f, a corner connector element may be positioned between two lighting units (and therewith between two segments). Alternatively, as illustrated in Fig. 3g, a flexible connector may be positioned between two lighting units (and therewith between two segments). Additionally or alternatively, as illustrated in Fig. 3h, a (distal) end of a segment may comprise multiple connectors oriented in different directions, such that another segment can be connected to the (distal) end. The user interface of the user interface device 130 may be further configured to receive user input indicative of that the light source array 110 has been positioned along a corner of the display 120. A user may, for example, indicate the location of the comer on the second virtual representation 110’, and position different parts (or segments) at different sides/edges of the display 120. Alternatively, the light source array 110 may be configured to communicate at which location the light source array is cornered. The controller 300 of the light source array may obtain this information based on a detected presence of a corner element (see Fig. 3f), based on a detected presence of another segment (Fig. 3h), etc., and the controller 300 may communicate this information to the one or more processors (106) of the control system 102.
The one or more processors (106) may be further configured to identify an area on the display 120 that has been mapped onto the first segment 112 (based on the mapping), and to cause the display 120 to render, on the area on the display 120, image content that corresponds to the first light setting. The one or more processors 106 may communicate instructions to the display 120 to cause the display 120 to render the image content. Fig. 4 illustrates an example wherein the one or more processors (106) are configured to control the display 120 to render image content on a first area 112” that corresponds to the first light setting of the first segment 112. Additionally, the one or more processors (106) may be configured to control the display 120 to render image content on a second area 114” that corresponds to the second light setting of the second segment 114. The one or more processors (106) may be configured to determine the first (and second) area based on the mapping, and therefore based on how the user has positioned the second virtual representation 110’ with respect to the first virtual representation 120’ on the screen 132. In the example of Fig. 4, the mapping is not correct because the second virtual representation 110’ is positioned too low with respect to the first virtual representation 120’. This is visible for the user on the display 120, which shows that the segments 112, 114 of the light source array 110 are not aligned with the respective areas 112”, 114” rendered on the display. In order to improve the alignment, and to correct the mapping, the user may reposition the second virtual representation 110’ (by moving the second virtual representation 110’ upwards (or by moving the second virtual representation 120’ downwards)).
The one or more processors (106) may be configured to repeat the steps of identifying the area and rendering the content for one or more subsequent user inputs. A user may provide a subsequent user input indicative of (re)positioning the second virtual representation 110’ relative to the first virtual representation 120’ on the screen 132, and the display 120 may be controlled accordingly such that a user can constantly see if the mapping is correct.
The user input is indicative of positioning the second virtual representation 110’ relative to the first virtual representation 120’ on the screen 132. The positioning may be an initial positioning of the first or second virtual representation 120’, 110’ (e.g. placing the second virtual representation 110’ on a map of a space) or a repositioning of the first or second virtual representation 120’, 110’. Fig. 5a illustrates examples of user input indicative of repositioning the second virtual representation 110’. The second virtual representation 110’ may be rotated (left in Fig. 5a), moved (center in Fig. 5a) and/or scaled (right in Fig.
5a).
The media content may be rendered on the display 120, and the one or more lighting units of the plurality of the individually controllable lighting units may be controlled based on the media content according to the mapping. The processor 106 may be configured to cause a media rendering device to render the media content, for instance by communicating instructions to the media rendering device to render the media content. The media rendering device may, for example, be the display device comprising the display 120, an external media rendering device (e.g. a set-top box, a media player, a video game console, etc.), the user interface device 130, etc. The system may further comprise a lighting control device (e.g. a bridge, a central (home) control system, the user interface device, the display device comprising the display, etc.) for controlling the lighting units of the light source array 110 based on the media content. The lighting units may be controlled based on the media content, for instance by analyzing colors of images that are rendered on the display 120 and by controlling the lighting units accordingly. Alternatively, the lighting devices may be controlled according to a light script which comprises pre-programmed lighting control instructions. Techniques for controlling lighting units or light source arrays based on media content by a lighting control device are known in the art and will therefore not be discussed in further detail.
If one or more lighting units of the second segment are not adjacent to the display, the one or more lighting units of the second segment of the light source array may be controlled according to media content rendered on an area of the display 120 most proximate to the second part of the light source array 110. It may occur that the light source array 110 has been installed such that a part of the light source array is not adjacent to the display 120 (e.g. a light strip of which only a part has been placed adjacent to one of the edges of the display). This part (segment or part of a segment) may then be controlled according to media content rendered on an area of the display 120 most proximate to that part of the light source array 110. Alternatively, the one or more lighting units of the second segment of the light source array 110 may be controlled according to a further light setting. The further light setting may be a default light setting, a user-defined light setting, a light setting of a proximate segment (a segment next to the second segment), an off-setting, etc.
The one or more processors (106) may further be configured to render a map of a space on the screen of the user interface device, wherein the first virtual representation and the second virtual representation are positioned on the map of the space. Fig. 5b illustrates an example wherein a map 500 of a space has been rendered on the screen 132 of the user interface device 130. This enables a user to provide user input to position the first and/or second virtual representation on the map 500 of the space. The map 500 further shows two other devices 512 (e.g. lighting devices) and a couch located in the space. The map may be a default map of a default space, or the map may be a map that corresponds to the space (e.g. a room) of the user. The map may be automatically generated (e.g. based on position data of devices and optionally objects) or be defined by a user (via a user interface). In this top-view, the user may further indicate the height of the light source array 110 via the user interface with respect to the display, for instance by switching to a front-view and indicating the height in the front-view, by indicating whether the light source is located below or above the display, etc.
The one or more processors (106) may be further configured to receive first information indicative of dimensions of the display 120 (e.g. height and width), and to receive second information indicative of dimensions the light source array 110 (e.g. its length). The first and second information may be received via the same or via a different communication protocol that is used for communicating with the light source array 110. The dimensions of the display may for example be the dimensions of the display or the dimensions of a display device comprising the display. The first information indicative of the dimensions of the display 120 may be received from the display 120 via the communication unit. Additionally or alternatively, the second information indicative of the dimensions of the light source array 110 may be received from the light source array 110 via the communication unit. The first and/or second information may comprise an identifier, a type and/or a product name or number of the light source array 110/display 120, respectively, and the respective dimensions may be determined based on this information. Alternatively, the dimensions of the light source array 110 and/or the display 120 may be defined by a user via a user interface. The one or more processors (106) may be further configured to determine the size of the first representation 120’ based on the dimensions of the display 120, and/or to determine the size of the second representation 110’ based on the dimensions of the light source array 110. Alternatively, the sizes of the virtual representations may be predefined. The one or more processors (106) may be further configured to segment the light sources array into a plurality of segments (e.g. the first and second segments 112, 114) based on based on the dimensions of the light source array 110. Alternatively, the segments of the light source array 110 may be predefined (the light source array 110 may for example be segmented into two equal parts).
The one or more processors (106) may be configured to determine an orientation of a controller 300 of the light source array 110 based on the position of the second virtual representation relative to the first virtual representation, and store the orientation in a memory. The orientation of a display is typically fixed or known. This enables determining the orientation(s) of the segments 112, 114 of the light source array 110. The order of the lighting units (and the locations of the segments) with respect to the (central) controller 300 of the light source array are known (see Figs. 3a-3h) and for example be communicated to the one or more processors (106) (e.g. by the controller 300). The one or more processors (106) may determine the orientation of the controller 300 based on the position of the second virtual representation relative to the first virtual representation. The one or more processors (106) may store the orientation in a memory for use by a device (such as the user interface device 130, a central lighting control device, etc.). The memory may, for example, be comprised in the user interface device, a bridge, a remote server, etc.
Fig. 6 shows schematically a method of configuring a light source array of a system, the system further comprising a display and a user interface device, wherein the light source array comprises a plurality of individually controllable lighting units, and wherein the light source array has been positioned relative to the display. The method comprises: controlling 602 one or more lighting units of a first segment of the light source array according to a first light setting, controlling 604 one or more lighting units of a second segment of the light source array according to a second light setting different from the first light setting, rendering 606, on a screen of the user interface device, a first virtual representation of the display and a second virtual representation of the light source array, wherein the second virtual representation comprises a first part reflecting the first segment and the first light setting and a second part reflecting the second segment and the second light setting, receiving 608 a user input indicative of positioning the second virtual representation relative to the first virtual representation on the screen, and determining 610 a mapping of the plurality of the individually controllable lighting units with respect to the display based on the position of the second virtual representation relative to the first virtual representation, such that when media content is being rendered on the display one or more lighting units of the plurality of the individually controllable lighting units are controlled based on the media content according to the mapping.
The method 600 may be executed by computer program code of a computer program product when the computer program product is run on a processing unit of a computing device, such as the one or more processors 106 of the control system 102.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design many alternative embodiments without departing from the scope of the appended claims.
In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. Use of the verb "comprise" and its conjugations does not exclude the presence of elements or steps other than those stated in a claim. The article "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer or processing unit. In the device claim enumerating several means, several of these means may be embodied by one and the same item of hardware. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
Aspects of the invention may be implemented in a computer program product, which may be a collection of computer program instructions stored on a computer readable storage device which may be executed by a computer. The instructions of the present invention may be in any interpretable or executable code mechanism, including but not limited to scripts, interpretable programs, dynamic link libraries (DLLs) or Java classes. The instructions can be provided as complete executable programs, partial executable programs, as modifications to existing programs (e.g. updates) or extensions for existing programs (e.g. plugins). Moreover, parts of the processing of the present invention may be distributed over multiple computers or processors or even the ‘cloud’.
Storage media suitable for storing computer program instructions include all forms of nonvolatile memory, including but not limited to EPROM, EEPROM and flash memory devices, magnetic disks such as the internal and external hard disk drives, removable disks and CD-ROM disks. The computer program product may be distributed on such a storage medium, or may be offered for download through HTTP, FTP, email or through a server connected to a network such as the Internet.

Claims

CLAIMS:
1. A method (600) of configuring a light source array (110) of a system, the system further comprising a display (120) and a user interface device (130), wherein the light source array (110) comprises a plurality of individually controllable lighting units, and wherein the light source array (110) has been positioned relative to the display (120), the method (600) comprising: controlling (602) one or more lighting units of a first segment (112) of the light source array (110) according to a first light setting, controlling (604) one or more lighting units of a second segment (114) of the light source array (110) according to a second light setting different from the first light setting, rendering (606), on a screen (132) of the user interface device (130), a first virtual representation (120’) of the display (120) and a second virtual representation (110’) of the light source array (110), wherein the second virtual representation (110’) comprises a first part reflecting the first segment (112) and the first light setting and a second part reflecting the second segment (114) and the second light setting, receiving (608) a user input (160) indicative of positioning the second virtual representation (110’) relative to the first virtual representation (120’) on the screen (132), and determining (610) a mapping of the plurality of the individually controllable lighting units with respect to the display (120) based on the position of the second virtual representation (110’) relative to the first virtual representation (120’), such that when media content is being rendered on the display (120) one or more lighting units of the plurality of the individually controllable lighting units are controlled based on the media content according to the mapping.
2. The method (600) of claim 1, wherein the method (600) further comprises: identifying an area on the display (120) that has been mapped onto the first segment (112), and causing the display (120) to render on the area on the display (120), image content that corresponds to the first light setting.
3. The method (600) of claim 2, wherein the steps of identifying the area and rendering the content are repeated for one or more subsequent user inputs.
4. The method (600) of any preceding claim, wherein the user input (160) comprises a repositioning of the first virtual representation (120’) or a repositioning of the second virtual representation (110’).
5. The method (600) of any preceding claim, wherein the user input (160) comprises a reorientation of the first virtual representation (120’) or a reorientation of the second virtual representation (110’).
6. The method (600) of any preceding claim, wherein the first or the second light setting is an off-setting.
7. The method (600) of any preceding claim, further comprising: rendering the media content on the display (120), and controlling one or more lighting units of the plurality of the individually controllable lighting units based on the media content according to the mapping.
8. The method (600) of claim 7, further comprising the step of: if one or more lighting units of the second segment (114) are not adjacent to the display (120), controlling the one or more lighting units of the second segment (114) of the light source array (110) according to media content rendered on an area of the display (120) most proximate to the second segment (114) of the light source array (110).
9. The method (600) of claim 7, further comprising the step of: if one or more lighting units of the second segment (114) are not adjacent to the light source array (110), controlling the one or more lighting units of the second segment (114) of the light source array (110) according to a further light setting.
10 The method (600) of any preceding claim, wherein the method (600) compnses: rendering a map of a space on the screen (132) of the user interface device (130), wherein the first virtual representation (120’) and the second virtual representation (110’) are positioned on the map of the space.
11. The method (600) of any preceding claim, wherein the light source array (110) is a linear light source array (110).
12. The method (600) of any preceding claim, further comprising: determining an orientation of a controller of the light source array (110) based on the position of the second virtual representation (110’) relative to the first virtual representation (120’), and storing the orientation in a memory.
13. A computer program product for a computing device, the computer program product comprising computer program code to perform the method (600) of any preceding claim when the computer program product is run on a processing unit of the computing device.
14. A control system (102) for configuring a light source array (110) of a system, the system further comprising a display (120) and a user interface device (130), wherein the light source array (110) comprises a plurality of individually controllable lighting units, and wherein the light source array (110) has been positioned relative to the display (120), the control system comprising: a user interface device (130) comprising a screen (132), one or more processors (106) configured to control one or more lighting units of a first segment (112) of the light source array (110) according to a first light setting, to control one or more lighting units of a second segment (114) of the light source array (110) according to a second light setting different from the first light setting, and to render, on the screen (132), a first virtual representation (120’) of the display (120) and a second virtual representation (110’) of the light source array (110), wherein the second virtual representation (110’) comprises a first part reflecting the first segment (112) and the first light setting and a second part reflecting the second segment (114) and the second light setting, and a user interface configured to receive a user input (160) indicative of positioning the second virtual representation (110’) relative to the first virtual representation (120’) on the screen (132), wherein the one or more processors (106) are further configured to determine a mapping of the plurality of the individually controllable lighting units with respect to the display (120) based on the position of the second virtual representation (110’) relative to the first virtual representation (120’), such that when media content is being rendered on the display (120) one or more lighting units of the plurality of the individually controllable lighting units are controlled based on the media content according to the mapping.
15. The control system of claim 14, wherein the one or more processors and the user interface are comprised in the user interface device (130).
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