Patents by Inventor Ho-Han Ryu

Ho-Han Ryu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8616875
    Abstract: A stamp includes a metal supporting layer, a pattern forming layer and an adhesive layer. The metal supporting layer has a first thermal conductivity. The pattern forming layer is disposed on the metal supporting layer and has a surface with a molding pattern formed thereon. The adhesive layer is disposed between the metal supporting layer and the pattern forming layer to couple the pattern forming layer to the metal supporting layer, and has a second thermal conductivity lower than the first thermal conductivity. Thus, strength of the stamp may be improved, and deformation of the stamp during the process of manufacturing a light guide plate may be reduced or prevented.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: December 31, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho-Han Ryu, Tae-Seok Kim, Seung-Pyo Hong, Seung-Yeop Lee
  • Patent number: 8553171
    Abstract: The display device includes a display panel displaying images, a light source generating and supplying light to the display panel, and a unitary indivisible frame supporting the display panel and including the light source disposed therein. The frame includes a bottom surface, a plurality of sidewalls which each extend from the bottom surface, a plurality of seating portions which extend from the plurality of sidewalls and on which the display panel is seated, and support protrusions protruding inclined from the seating portions and facing a lateral surface of the display panel. The bottom surface, the plurality of sidewalls, the plurality of seating portions and the support protrusions are disposed continuous with each other in the unitary indivisible frame.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: October 8, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho-Han Ryu, Cheol-Yong Noh, Tae-Seok Kim, Myoung-Gyun An
  • Patent number: 8434926
    Abstract: In a light source apparatus, a method of manufacturing the light source and a backlight assembly having the same, a light guide plate (LGP) includes an upper surface and a lower surface facing each other and a first side surface and a second side surface. The light source is placed in the LGP adjacent to the first side surface and emits light toward the second side surface. The power supply unit is electrically connected to the light source and partially placed in the LGP. The light source may include a lamp or a light-emitting diode (LED). The power supply unit may include a wire or a power supply substrate. The light source apparatus may be formed by an injection molding process using lower and upper mold frames. Therefore, backlight assembly size, the number of parts and manufacturing steps may be decreased, and the illumination quality may be improved.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: May 7, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho-Han Ryu, Tae-Seok Kim, Jin-Gwan Kim
  • Publication number: 20120006090
    Abstract: A stamp includes a metal supporting layer, a pattern forming layer and an adhesive layer. The metal supporting layer has a first thermal conductivity. The pattern forming layer is disposed on the metal supporting layer and has a surface with a molding pattern formed thereon. The adhesive layer is disposed between the metal supporting layer and the pattern forming layer to couple the pattern forming layer to the metal supporting layer, and has a second thermal conductivity lower than the first thermal conductivity. Thus, strength of the stamp may be improved, and deformation of the stamp during the process of manufacturing a light guide plate may be reduced or prevented.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 12, 2012
    Inventors: Ho-Han RYU, Tae-Seok Kim, Seung-Pyo Hong, Seung-Yeop Lee
  • Patent number: 7832884
    Abstract: A backlight assembly having an improved heat releasing structure and a display device having the backlight assembly are provided. The backlight assembly includes a plurality of lamps emitting light and a fixing member receiving the plurality of lamps. A separating member protruding from an edge of the fixing member defines an inner space that contains the light-lamp portions in the fixing member, and the separating member separates electrodes of the lamps from the inner space. The separating member has openings that are positioned to direct the heat generated by the lamp electrodes away from the inner space where the excess heat can cause display quality deterioration.
    Type: Grant
    Filed: April 6, 2009
    Date of Patent: November 16, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ho-Han Ryu
  • Publication number: 20100177124
    Abstract: The display device includes a display panel displaying images, a light source generating and supplying light to the display panel, and a unitary indivisible frame supporting the display panel and including the light source disposed therein. The frame includes a bottom surface, a plurality of sidewalls which each extend from the bottom surface, a plurality of seating portions which extend from the plurality of sidewalls and on which the display panel is seated, and support protrusions protruding inclined from the seating portions and facing a lateral surface of the display panel. The bottom surface, the plurality of sidewalls, the plurality of seating portions and the support protrusions are disposed continuous with each other in the unitary indivisible frame.
    Type: Application
    Filed: October 21, 2009
    Publication date: July 15, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-Han RYU, Cheol-Yong NOH, Tae-Seok KIM, Myoung-Gyun AN
  • Patent number: 7724315
    Abstract: A liquid crystal display module, a liquid crystal display device, and a method for assembling the liquid crystal display device, which are capable of minimizing the overall size of the liquid crystal display device by improving an engaging structure between the liquid crystal display module and a case, are disclosed. Engaging holes are formed in an unused region of a top chassis, a mold frame and an end portion of a back cover. One side of a shaft screw is engaged with a catching member integrally formed with the inner side upper surface of a case. The other side of the shaft screw penetrates through the engaging holes of the top chassis, the mold frame, and the back cover and is engaged with a nut screw on a rear surface of the back cover. Accordingly, a separate space for installing a fixing member for fixing the mold frame and the back cover to the case is not needed, and the case, the mold frame, and the back cover is not engaged by using a separate screw.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: May 25, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-Han Ryu, Hee-June Kwak
  • Publication number: 20090323371
    Abstract: In a light source apparatus, a method of manufacturing the light source and a backlight assembly having the same, a light guide plate (LGP) includes an upper surface and a lower surface facing each other and a first side surface and a second side surface. The light source is placed in the LGP adjacent to the first side surface and emits light toward the second side surface. The power supply unit is electrically connected to the light source and partially placed in the LGP. The light source may include a lamp or a light-emitting diode (LED). The power supply unit may include a wire or a power supply substrate. The light source apparatus may be formed by an injection molding process using lower and upper mold frames. Therefore, backlight assembly size, the number of parts and manufacturing steps may be decreased, and the illumination quality may be improved.
    Type: Application
    Filed: May 27, 2009
    Publication date: December 31, 2009
    Inventors: Ho-Han RYU, Tae-Seok Kim, Jin-Gwan Kim
  • Patent number: 7609335
    Abstract: A backlight assembly and a liquid crystal display having the same which can prevent a lamp wire from being damaged, simplify the manufacturing process, and reduce the manufacturing cost. The backlight assembly includes a receiving container for receiving a lamp, a lamp wire, connected to the lamp, for supplying power to the lamp, and a lamp holder, coupled to the receiving container and connected to the lamp, for guiding the lamp wire in parallel with the lamp.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: October 27, 2009
    Assignee: Samsung Electronic Co., Ltd.
    Inventor: Ho-Han Ryu
  • Publication number: 20090196018
    Abstract: A backlight assembly having an improved heat releasing structure and a display device having the backlight assembly are provided. The backlight assembly includes a plurality of lamps emitting light and a fixing member receiving the plurality of lamps. A separating member protruding from an edge of the fixing member defines an inner space that contains the light-lamp portions in the fixing member, and the separating member separates electrodes of the lamps from the inner space. The separating member has openings that are positioned to direct the heat generated by the lamp electrodes away from the inner space where the excess heat can cause display quality deterioration.
    Type: Application
    Filed: April 6, 2009
    Publication date: August 6, 2009
    Inventor: Ho-Han RYU
  • Patent number: 7530703
    Abstract: A backlight assembly having an improved heat releasing structure and a display device having the backlight assembly are provided. The backlight assembly includes a plurality of lamps emitting light and a fixing member receiving the plurality of lamps. A separating member protruding from an edge of the fixing member defines an inner space that contains the light-lamp portions in the fixing member, and the separating member separates electrodes of the lamps from the inner space. The separating member has openings that are positioned to direct the heat generated by the lamp electrodes away from the inner space where the excess heat can cause display quality deterioration.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: May 12, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ho-Han Ryu
  • Patent number: 7452102
    Abstract: A lamp holder includes a supporting part and a holding part. The supporting part includes a guiding hole for guiding a wire of a lamp. The holding part protrudes from the supporting part in a longitudinal direction of the lamp. A holding groove is formed at the holding part to hold an end portion of the lamp. The lamp holder improves an image display quality of a display device.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: November 18, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ho-Han Ryu
  • Publication number: 20080266482
    Abstract: A backlight assembly and a liquid crystal display having the same which can prevent a lamp wire from being damaged, simplify the manufacturing process, and reduce the manufacturing cost. The backlight assembly includes a receiving container for receiving a lamp, a lamp wire, connected to the lamp, for supplying power to the lamp, and a lamp holder, coupled to the receiving container and connected to the lamp, for guiding the lamp wire in parallel with the lamp.
    Type: Application
    Filed: March 6, 2008
    Publication date: October 30, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Ho-Han Ryu
  • Publication number: 20070030663
    Abstract: A lamp holder includes a supporting part and a holding part. The supporting part includes a guiding hole for guiding a wire of a lamp. The holding part protrudes from the supporting part in a longitudinal direction of the lamp. A holding groove is formed at the holding part to hold an end portion of the lamp. The lamp holder improves an image display quality of a display device.
    Type: Application
    Filed: May 1, 2006
    Publication date: February 8, 2007
    Inventor: Ho-Han Ryu
  • Publication number: 20050276074
    Abstract: A backlight assembly having an improved heat releasing structure and a display device having the backlight assembly are provided. The backlight assembly includes a plurality of lamps emitting light and a fixing member receiving the plurality of lamps. A separating member protruding from an edge of the fixing member defines an inner space that contains the light-lamp portions in the fixing member, and the separating member separates electrodes of the lamps from the inner space. The separating member has openings that are positioned to direct the heat generated by the lamp electrodes away from the inner space where the excess heat can cause display quality deterioration.
    Type: Application
    Filed: June 14, 2005
    Publication date: December 15, 2005
    Inventor: Ho-Han Ryu
  • Publication number: 20020054249
    Abstract: A liquid crystal display module, a liquid crystal display device, and a method for assembling the liquid crystal display device, which are capable of minimizing the overall size of the liquid crystal display device by improving an engaging structure between the liquid crystal display module and a case, are disclosed. Engaging holes are formed in an unused region of a top chassis, a mold frame and an end portion of a back cover. One side of a shaft screw is engaged with a catching member integrally formed with the inner side upper surface of a case. The other side of the shaft screw penetrates through the engaging holes of the top chassis, the mold frame, and the back cover and is engaged with a nut screw on a rear surface of the back cover. Accordingly, a separate space for installing a fixing member for fixing the mold frame and the back cover to the case is not needed, and the case, the mold frame, and the back cover is not engaged by using a separate screw.
    Type: Application
    Filed: June 18, 2001
    Publication date: May 9, 2002
    Inventors: Ho-Han Ryu, Hee-June Kwak
  • Patent number: 5802022
    Abstract: A disk changer in which it is possible to check the position of disks seated on a roulette inside the disk changer without drawing out a tray from the disk changer, the roulette moving with the tray and being disposed below the tray. The disks seated on the roulette can be seen through viewing holes in a top cover of a housing of the disk changer, the viewing holes in the top cover being aligned with holes in the tray when the tray is disposed inside the housing of the disk changer.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: September 1, 1998
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Seok Kim, Seong Yeon Park, Jae Hyun Yoon, Ho Han Ryu