# US 7,744,255 B2 · Light-reflecting and light-shielding apparatus of computer panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,744,255 B2 - Document ID: US7744255B2 - Status: Granted - Kind: B2 - Application number: 11/760,803 - Filed: 2007-06-11 - Published: 2008-08-14 - Granted: 2010-06-29 - Earliest claimed: 2007-02-08 - Assignees: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.; Hon Hai Precision Industry Co., Ltd. - Inventors: Yun-Lung Chen; Yu-Ming Xiao - Web page: https://patentgrep.com/patent/US7744255B2 ## CPC - G06F 1/181: {Enclosures (for portable computers G06F1/1613)} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A panel assembly includes a panel (13), a light-reflecting member (30) and a light-shielding board (50). The panel includes a light-pervious area. The light-reflecting member is coupled to the light-pervious area of the panel. The light-reflecting member forms a light-guiding wall (363) with a plurality of spaced slots (361) therein. The light-shielding board is positioned between the light-guiding wall and the light-pervious area. The light-shielding board defines a plurality of spaced slots (513) corresponding to the slots of the light-guiding wall, light-shielding bars (517) are formed between adjacent slots respectively. The light-shielding board is slidable to cause the slots of the light-shielding board to be removed from the corresponding slots of the light-reflecting member and the light-shielding bars of the light-shielding board to cover the corresponding slots of the light-reflecting member, to thereby shield the light reflected from the light-reflecting member from passing through the light-pervious area. ## Claims ### Claim 1 A panel assembly comprising: a panel having a light-pervious area; a light-reflecting member coupled to the light-pervious area of the panel configured for reflecting light from a light source to the light-pervious area, the light-reflecting member forming a light-guiding wall with a plurality of spaced slots therein; and a light-shielding board slidably positioned between the light-guiding wall and the light-pervious area, the light-shielding board defining a plurality of spaced slots corresponding to the slots of the light-guiding wall for allowing the light passing through the light-pervious area when the slots of the light-shielding board align with the slots of the light-guiding wall respectively, light-shielding bars being formed between adjacent slots respectively; wherein the light-shielding board is slidable along the light-reflecting member to cause the slots of the light-shielding board to be removed from the corresponding slots of the light-reflecting member and the light-shielding bars of the light-shielding board to cover the corresponding slots of the light-reflecting member, to thereby shield the light reflected from the light-reflecting member from passing through the light-pervious area. ### Claim 2 (depends on 1) The panel assembly as described in claim 1, wherein the slots of the light-reflecting member and the slots of the light-shielding board array in parallel along a lengthways direction of the light-pervious area, and a size of each light-shielding bar is larger than or equal to a size of the corresponding slot of the light-reflecting member, a space between centers of two adjacent slots of the light-shielding board is equal to that between centers of the corresponding two adjacent slots of the light-reflecting member. ### Claim 3 (depends on 1) The panel assembly as described in claim 1, wherein the light-shielding board comprises a plate parallel to the panel, and a bent flange perpendicular to the plate, the slots being defined in the plate. ### Claim 4 (depends on 3) The panel assembly as described in claim 3, wherein an operating handle extends from the middle of the bent flange horizontally, the panel defines a slot for the operating handle extending through. ### Claim 5 (depends on 1) The panel assembly as described in claim 1, wherein the light-reflecting member comprises a top wall, a pair of sidewalls extending up from the top wall perpendicularly, a receiving slot being formed between two sidewalls and extending through the top wall into an inner area of the light-reflecting member for receiving the light-shielding board. ### Claim 6 (depends on 5) The panel assembly as described in claim 5, wherein a pair of recesses is defined at opposite ends of one side of the light-shielding board, a pair of protrusions is formed on one sidewall of the light-reflecting member corresponding to the pair of recesses, the distance between the recesses is unequal to that between the protrusions, when the slots of the light-shielding board align with the respective slots of the light-reflecting member, one of the pair of protrusions at one side is fixed in the corresponding recess to secure the light-shielding board to one side of the light-reflecting member, and when the slots of the light-shielding board are removed from the respective slots of the light-reflecting member, the other of the pair of protrusions at the other side is fixed in the corresponding recess to secure the light-shielding board to the other side of the light-reflecting member. ### Claim 7 (depends on 1) The panel assembly as described in claim 1, further comprising another panel perpendicular to the panel, wherein the light-reflecting member is detachably mounted to the another panel. ### Claim 8 (depends on 7) The panel assembly as described in claim 7, wherein a fixing post with a fixing hole defined therein is formed in the another panel, the light-reflecting member comprises a bottom wall opposite to the top wall, a mounting pole protruding down from the bottom wall and engaging into the fixing hole of the fixing post. ### Claim 9 (depends on 1) The panel assembly as described in claim 1, wherein a light-pervious portion is defined at a side of the light-reflecting member corresponding to the light-pervious area, the light-pervious wall is formed in the inner side of the light-pervious portion. ### Claim 10 A panel assembly comprising: a panel comprising a light-pervious area; a light-reflecting member having a plurality of spaced slots defined therein configured for reflecting light to the light-pervious area through the slots; and a light-shielding board received in the light-reflecting member, the light-shielding board defining a plurality of spaced slots thereon corresponding to the slots of the light-reflecting member; wherein the slots of the light-reflecting member are revealed via the slots of the light-shielding board when the light-shielding board is fixedly positioned at one side of the light-reflecting member, and each slot of the light-reflecting member is blocked by the light-shielding board when the light-shielding board is slid to a distance to be fixedly positioned at another side of the light-reflecting member. ### Claim 11 (depends on 10) The panel assembly as claimed in claim 10, wherein the light-reflecting member comprises a light-pervious portion having a light-pervious wall formed in the inner side thereof, the slots being defined in the light-pervious wall. ### Claim 12 (depends on 10) The panel assembly as claimed in claim 10, wherein a light-shielding bar is formed between each two adjacent slots of the light-shielding board respectively, and the light-shielding bars shield the corresponding slots of the light-reflecting member when the light-shielding board is fixedly positioned at another side of the light-reflecting member. ### Claim 13 (depends on 12) The panel assembly as claimed in claim 12, wherein the slots of the light-reflecting member and the slots of the light-shielding board are arrayed in parallel along a lengthways direction of the light-pervious area, a space between centers of two adjacent slots of the light-shielding board is equal to that between centers of the corresponding two adjacent slots of the light-reflecting member. ### Claim 14 (depends on 10) The panel assembly as claimed in claim 10, wherein the light-shielding board comprises a plate parallel to the panel, and a bent flange perpendicular to the plate, the slots being defined on the plate. ### Claim 15 (depends on 14) The panel assembly as claimed in claim 14, wherein an operating handle extends from the middle of the bent flange horizontally, the panel defines a slot for the operating handle extending through. ### Claim 16 (depends on 10) The panel assembly as claimed in claim 10, wherein the light-reflecting member comprises a top wall, a pair of sidewalls extending up from the top wall perpendicularly, a receiving slot being formed between two sidewalls and extending through the top wall into an inner area of the light-reflecting member for receiving the light-shielding board. ### Claim 17 (depends on 16) The panel assembly as claimed in claim 16, wherein a pair of recesses is defined at opposite ends of one side of the light-shielding board, a pair of protrusions is formed on one sidewall of the light-reflecting member corresponding to the pair of recesses, the distance between the recesses is unequal to that between the protrusions, when the slots of the light-shielding board align with the respective slots of the light-reflecting member, one of the pair of protrusions at one side is fixed in the corresponding recess to secure the light-shielding board to one side of the light-reflecting member, and when the slots of the light-shielding board are removed from the respective slots of the light-reflecting member, the other of the pair of protrusions at the other side is fixed in the corresponding recess to secure the light-shielding board to the other side of the light-reflecting member. ### Claim 18 (depends on 10) The panel assembly as claimed in claim 10, further comprising another panel perpendicular to the panel, wherein the light-reflecting member is detachably mounted to the another panel. ### Claim 19 (depends on 18) The panel assembly as described in claim 18, wherein a fixing post with a fixing hole defined therein is formed in the another panel, the light-reflecting member comprises a bottom wall opposite to the top wall, a mounting pole protruding down from the bottom wall and engaging into the fixing hole of the fixing post. ### Claim 20 A panel assembly comprising: a pair of panels perpendicular to each other, one panel defining a light-pervious area, the other panel comprising a mounting structure formed therein; a light-reflecting member attached to the other panel via the mounting structure, the light-reflecting member comprising a light-guiding wall defining therein a plurality of spaced slots facing the light-pervious area, and a light-reflecting wall configured for reflecting light from a light source to the light-pervious area through the slots; and a light-shielding board slidably positioned between the light-guiding wall and the light-pervious area and being operatable from outside of the panel, the light-shielding board comprising a plurality of spaced slots corresponding to the slots of the light-reflecting member, and a plurality of light-shielding bars each adjacent a corresponding slot thereof; wherein the light-shielding board is slidable relative to the panel between a first position where the slots of the light-reflecting member are aligned with the respective slots of the light-shielding board such that the light reflected from the light-reflecting member is capable of passing through the slots of the light-guiding wall and the light-shielding board to the light-pervious area, and a second position where the slots of the light-reflecting member are shielded by the respective light-shielding bars such that the light reflected from the light-reflecting member is blocked by the light-shielding bars from transmitting to the light-pervious area. ### Claim 21 (depends on 20) The panel assembly as described in claim 20, wherein a pair of complemental engaging structures is formed between the light-shielding board and the light-reflecting member, the light-shielding board is securely engaged with the light-reflecting member via one of the complemental engaging structures at the first position and is securely engaged with the light-reflecting member via the other one of the complemental engaging structures at the second position.