# US 10,503,119 B2 · Globe display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,503,119 B2 - Document ID: US10503119B2 - Status: Granted - Kind: B2 - Application number: 14/475,264 - Filed: 2014-09-02 - Published: 2015-10-08 - Granted: 2019-12-10 - Earliest claimed: 2014-04-08 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Hyeong-Woo Kim; Jae-Jin Bong - Web page: https://patentgrep.com/patent/US10503119B2 ## CPC - G03H 1/2294: {Addressing the hologram to an active spatial light modulator} - G03H 1/0005: {Adaptation of holography to specific applications (holographic optical element G02B5/32; holographic scanner G02B26/106; recognition using holographic mask G06V10/88; holographic memories G11B7/0065, G11C13/042)} - G03H 1/2249: {Holobject properties} - G03H 1/2205: {using downstream optical component} - G03H 2001/0061: {in haptic applications when the observer interacts with the holobject} - G03H 2227/03: Means for moving one component (G03H1/0476, G03H2001/2695 take precedence) - G03H 2270/21: Curved bearing surface - G03H: HOLOGRAPHIC PROCESSES OR APPARATUS (holograms, e.g. point holograms, used as ordinary optical elements G02B5/32; producing stereoscopic or other three-dimensional effects G02B30/00; diffraction-grating systems G02B27/44; systems using moiré fringes G02B27/60; optical logic elements G02F3/00; stereo-photography G03B35/00; photosensitive materials or processes for photographic purposes G03C; {stereo-photographic or similar processes G03C9/00}; apparatus for processing exposed photographic materials G03D; analogue computers performing mathematical operations with the aid of optical elements G06E3/00; authentication by radiation, of concealed information carried by holograms or diffraction gratings G06K19/16; holographic storage G11B7/0065, G11C13/04; {stereoscopic or other three dimensional effects in television systems H04N13/00}) ## Abstract A globe display device includes a display unit having a spherical shape, a driving unit in the display unit, the driving unit being configured to drive the display unit, a hologram generating unit in the display unit, the hologram generating unit being configured to display holograms on the display unit, a sensing unit in the display unit, the sensing unit being configured to detect information according to user input, and a control unit configured to control the driving unit and the hologram generating unit using values detected by the sensing unit. ## Claims ### Claim 1 A globe display device comprising: a display unit in a shape of a sphere, the display unit generating a map image and displaying the map image; a driving unit in the display unit, the driving unit being configured to drive the display unit; a hologram generating unit in the display unit, the hologram generating unit being configured to display holograms on the display unit; a sensing unit in the display unit, the sensing unit being configured to detect information according to user input; and a control unit configured to control the driving unit and the hologram generating unit using values detected by the sensing unit, wherein the control unit controls the map image generated by and displayed on the display unit to be inclined at a predetermined angle from a direction perpendicular to a land surface by utilizing tilt information detected by the sensing unit regardless of directions in which the display unit rotates or regardless of places where the display unit is located, wherein the land surface is a surface on which the display unit is placed, wherein a position of the map image generated by and displayed on the display unit does not change even when the display unit is rotated or relocated to a different place. ### Claim 2 (depends on 1) The globe display device of claim 1, wherein the display unit comprises: a flexible substrate; a driver circuit on the flexible substrate; a display element unit on the driver circuit; and a thin film encapsulation layer on the display element unit. ### Claim 3 (depends on 1) The globe display device of claim 1, wherein the driving unit comprises a communication module. ### Claim 4 (depends on 1) The globe display device of claim 1, wherein the hologram generating unit comprises: a light source configured to generate and emit a reference beam; a first polarization member configured to polarize the reference beam emitted from the light source at a first polarization angle to generate a polarized reference beam; a spatial light modulation unit configured to realize a holographic interference pattern corresponding to holographic interference pattern data supplied from an outside, and reconstruct and play back a three-dimensional image utilizing diffracted components of the holographic interference pattern, which are generated according to diffraction of the polarized reference beam passing through the holographic interference pattern; and a second polarization member configured to polarize the diffracted components of the holographic interference pattern emitted from the spatial light modulation unit at a second polarization angle so as to remove a zero-order diffracted component from the diffracted components of the holographic interference pattern. ### Claim 5 (depends on 4) The globe display device of claim 4, further comprising an optical member configured such that the reference beam emitted from the light source is adjusted to be uniformly irradiated onto the total effective area of the spatial light modulation unit. ### Claim 6 (depends on 5) The globe display device of claim 5, wherein the spatial light modulation unit comprises a transmissive liquid crystal display panel comprising a liquid crystal layer disposed between an upper substrate and a lower substrate. ### Claim 7 (depends on 6) The globe display device of claim 6, wherein the first polarization member is disposed between the light source and the optical member or between the optical member and the spatial light modulation unit. ### Claim 8 (depends on 5) The globe display device of claim 5, wherein the spatial light modulation unit comprises a reflective liquid crystal display panel comprising a liquid crystal layer disposed between an upper substrate and a lower substrate, or a liquid crystal on silicon (LCOS) display panel. ### Claim 9 (depends on 1) The globe display device of claim 1, wherein the predetermined angle is 23.44 degrees. ### Claim 10 (depends on 1) The globe display device of claim 1, wherein the display unit further comprises a touch panel. ### Claim 11 (depends on 10) The globe display device of claim 10, wherein the control unit increases or decreases a map image displayed on the display unit by using a location signal received by the touch panel. ### Claim 12 (depends on 1) The globe display device of claim 1, further comprising a guide axis in the display unit. ### Claim 13 (depends on 12) The globe display device of claim 12, wherein the display unit is rotatable about the guide axis. ### Claim 14 (depends on 12) The globe display device of claim 12, further comprising a battery in the guide axis, the battery being configured to supply power to the display unit, the driving unit, the hologram generating unit, and the sensing unit. ### Claim 15 (depends on 14) The globe display device of claim 14, further comprising a charger configured to charge the battery, the charger on which the display unit is seated. ### Claim 16 (depends on 1) The globe display device of claim 1, wherein the display unit comprises any one of an organic light emitting diode, a liquid crystal display, and an electrophoretic display. ### Claim 17 (depends on 1) The globe display device of claim 1, wherein the hologram generating unit is disposed in a central portion of the display unit. ### Claim 18 (depends on 1) The globe display device of claim 1, the holograms is displayed with being spaced apart from the display unit by a predetermined distance. ### Claim 19 (depends on 1) The globe display device of claim 1, the display unit is spaced 1132 mm or less apart from the hologram generating unit. ### Claim 20 (depends on 1) The globe display device of claim 1, the sensor unit include a two-axis acceleration sensor detecting the tilting information. ### Claim 21 (depends on 1) The globe display device of claim 1, wherein the control unit is configured to control an on-state or off state of the display unit based on an angular velocity of the display unit.