TWI478445B - Display port connector and a circuit board coupled thereto - Google Patents

Description

Display 埠 connector and its coupled circuit board

The present invention relates to a display port connector; and more particularly to a Mini Display Port (Mini DP) connector and a circuit board coupled to the connector of the present invention.

With the advancement of technology, the resolution of display devices (such as liquid crystal displays or LCD TVs) is increasing. Currently, liquid crystal TVs on the market usually provide high definition multimedia interfaces (HDMI) or display ports (hereinafter referred to as HDMI). The Display port) interface is connected to a computer or other video device. Display Port is the next-generation digital video interface standard promoted by the Video Electronics Standards Association (VESA). It is a transmission interface for computer monitors. It supports plug-and-play functions and is expected to replace traditional LVDS and DVI. VGA transmission interface.

In addition, with the development of multimedia technology, the display has developed a Mini-Display Port connector, which has been increasingly widely used in electronic devices. The Mini-Display Port is a miniature version of the Display Port, which was released by Apple on October 14, 2008. The Mini DisplayPort has 20 pins. The pin is configured with pin 1 for ground (GND) and pin 2 for pin 2. Hot Plug Detect, pin 3 is the real signal of channel 0 (ML_Lane 0(p)), pin 4 is the auxiliary signal supporting external configuration 1 (CONFIG1), and pin 5 is channel 0 ( ML_Lane 0(n)), pin 6 supports external configuration 2 (CONFIG2), pin 7 is grounded (GND), pin 8 is grounded (GND), and pin 9 is the true signal of channel 1 (ML_Lane 1 ( p)), pin 10 is the real signal of channel 3 (ML_Lane 3(p)), pin 11 is the auxiliary signal of channel 1 (ML_Lane 1(n)), and pin 12 is the auxiliary signal of channel 3 (ML_Lane 3) (n)), pin 13 is ground (GND), pin 14 is ground (GND), pin 15 is the true signal of channel 2 (ML_Lane 2(p)), and pin 16 is the real signal of the auxiliary channel ( AUX_CH(p)), pin 17 is the auxiliary signal of channel 2 (ML_Lane 2(n)), pin 18 is the auxiliary signal of the auxiliary channel (AUX_CH(n)), pin 19 is the ground (GND), and pin 20 is the connector power supply (DP_PWR).

The conductive terminals of the conventional Mini-Display Port connector are usually placed on at least one layer of the circuit board to match the position of the conductive terminals of the electrical connector, thereby increasing the installation space and cost; even the circuit layout on the circuit board The wiring connecting the conductive terminals of the connector also tends to be complicated, and it is often easy to cause signal skew interference at high frequencies to affect the transmission quality. Therefore, how to reduce the problem of signal drop between the conductive terminals and simplify the circuit board design and cost is an urgent problem to be solved.

The present invention provides a display 埠 connector, comprising: a plurality of first terminals arranged in a row along a direction, comprising: a first ground terminal, a first high-speed signal terminal group, a second ground terminal, and a first a second high-speed signal terminal group, a third grounding terminal, a third high-speed signal terminal group and a fourth grounding terminal; and a plurality of second terminals are sequentially arranged in two directions in a direction and are arranged in two columns: a heat a plug detection terminal, a low speed signal terminal group, a fifth ground terminal, a fourth high speed signal terminal group, a sixth ground terminal, a fifth high speed signal terminal group and a power signal terminal; wherein the plurality of Each of the terminals has a soldering end, and the distance between the soldering end of the second high-speed signal terminal group and the soldering end of the second grounding terminal or the third grounding terminal is greater than the soldering end of the remaining adjacent first terminal of the same column the distance.

In the foregoing invention, the plurality of second terminals each have a soldering portion, the soldering portions of the plurality of second terminals are equal in length, and the plurality of second terminals are different in series but close to each other. The welded portion has a mirror-like extension with respect to the one axial surface.

In the foregoing invention, in the 埠 connector, the plurality of first terminals are arranged in a row according to the odd-numbered pins defined by the mini display 埠 connector, and one of the plurality of second terminals arranged in two columns is compliant. The mini display 埠 connector defines 4N number of pins in order, and N is an integer less than 6.

In the foregoing invention, the second high-speed signal terminal group is matched with the #9 and #11 pins defined by the mini display port connector.

The invention provides a circuit board coupled with a display 埠 connector, comprising three rows of pads, wherein one column is arranged in an order according to an odd number of feet defined by a mini display 埠 connector, and one of the remaining two columns is According to the 4N number of pins defined by the mini display 埠 connector, and N is an integer less than 6; the feature is that the column pads are arranged in the near center according to the odd pin positions defined by the mini display 埠 connector A pad having electrical contact for a high-speed signal terminal group and a distance from a pad adjacent to a ground terminal for electrical contact must be greater than a distance between the remaining adjacent pads for electrical contact with other terminals in the same column.

In the foregoing circuit board of the present invention, the column pads which are sequentially arranged according to the odd-numbered pins defined by the mini display port connector are SMT pads.

In the foregoing circuit board of the present invention, the high-speed signal terminal group is matched with the #9 and #11 pins defined by the mini display port connector, and the high-speed signal terminal group is electrically contacted with the adjacent grounding terminal. The distance between the pads provides a path for electrical contact with other sets of high speed signal terminals of the other group.

In the foregoing circuit board of the present invention, the other group of high-speed signal terminals are the #10 and #12 pins defined by the mini display port connector.

The invention provides a display 埠 connector, which has 20 pins defined by a mini display 埠 connector, and is arranged in three parallel columns, wherein one column is arranged in a single column according to the order of the odd pin positions and the other column is a photo. The 4N number of pin definitions are sequentially set, and the distance between the high-speed signal terminal group and the adjacent one of the ground terminals disposed near the center of the odd-numbered pin definition sequence must be greater than the welding of the remaining adjacent terminals in the same column. The distance between the ends.

The foregoing invention shows a 埠 connector fixed to a circuit board having a plurality of pads for connecting the display 埠 connector pins and fixed, and for fixing a single row of pads defined by the odd pins The only distance between the other adjacent terminal pins is a large distance between the lines that can provide electrical contact with the pins of the other group of high-speed signal terminals.

The description of specific embodiments of the invention will be made hereinafter. It should be noted that the disclosed embodiments are merely illustrative. The scope of the invention is not limited to the specific embodiments disclosed, which are intended to include specific features, structures, or properties, and are defined by the scope of the appended claims. In addition, the illustrations referred to in the specification do not specifically describe all the features of the present invention, and the elements depicted may be expressed in a simplified and schematic manner, and the dimensions of various elements in the drawings may be described. It is exaggerated or does not conform to the actual ratio. Whether or not the foregoing is abbreviated, or whether the relevant features are described in detail, the persons described in the table are those skilled in the relevant art, and other specifics related to the features, structures, or properties may be The examples are implemented within the scope of knowledge.

Please refer to FIG. 1A and FIG. 1B simultaneously. FIG. 1A is an exploded view of a mini display port connector according to an embodiment of the present invention; A further exploded schematic view of the 埠 connector is shown. The mini display port connector 100 includes a shielding case 10, an insulative housing 20, a plurality of first terminals 30, and a plurality of second terminals 40. The shielding housing 10 has an accommodating space 101. The insulating body 20 is disposed in the accommodating space 101 and has a first terminal slot 201 and a second terminal slot 202. The plurality of first terminals 30 and the plurality of second terminals 40 are respectively disposed in the first terminal slot 201 and the second terminal slot 202.

Referring to the first C diagram, the first C diagram is a schematic diagram of a plurality of first terminals 30 in accordance with an embodiment of the present invention. The plurality of first terminals 30 include a first ground terminal 301, a first high-speed signal terminal group 302, 303, a second ground terminal 304, a second high-speed signal terminal group 305, 306, and a third ground terminal 307. A third high-speed signal terminal group 308, 309 and a fourth ground terminal 310 are sequentially arranged in a row along the X direction, and the represented mini-display connector pins are sequentially #1, #3, #5, #7, #9, #11, #13, #15, #17 and #19. Each of the plurality of first terminals 30 has a bent portion 300 and a welded portion, and the welded portion refers to a portion of the bent portion 300 that extends downward to the welded end (3011 to 3101), and the welded end is used for individually It is coupled to a circuit board for electrical contact purposes (explained below). The distance between the soldering end 3041 of the second grounding terminal 304 disposed in the center of the first terminal 30 of the column and the soldering end 3051 of the second high-speed signal terminal group 305, 306 disposed adjacent to the center of the adjacent column must be greater than the same column. The distance between the welded ends of the remaining adjacent first terminals.

Referring to the first D diagram, the first D diagram is a schematic diagram of a plurality of second terminals 40 in accordance with an embodiment of the present invention. The plurality of second terminals 40 include a hot plug detecting terminal 401, a low speed signal terminal group 402, 403, a fifth ground terminal 404, a fourth high speed signal terminal group 405, 406, and a sixth ground terminal 407. A fifth high-speed signal terminal group 408, 409 and a power signal terminal 410 are sequentially arranged in two rows along the X direction, and the mini-display 埠 connector pins are represented, and the columns are sequentially #2, #6, #10, #14, and #18, while the other column is #4, #8, #12, #16, and #20. Each of the plurality of second terminals 40 has a bent portion 400 and a welded portion, and the welded portion refers to a portion of the bent portion 400 that extends downward to the soldering end, and the soldered ends are used to individually couple to the circuit Board for electrical contact purposes (explained below).

Referring further to the first E diagram, the first E diagram is a side view of a plurality of second terminals 40 in accordance with an embodiment of the present invention. The lengths of the welded portions of the plurality of second terminals 40 are equal, and the welded portions of the different columns but close to each other are mirror-extending with respect to the one axial surface 41. Therefore, the signal transmission path distances of the plurality of second terminals 40 can be the same. The structure and arrangement of the soldering portions of the plurality of second terminals 40 can effectively reduce the two high-speed signal terminal groups (for example, the fourth high-speed signal terminal groups 405, 406 and the fifth high speed). Signal skew of signal terminal groups 408, 409).

Referring to the second and third figures, the second drawing is a schematic diagram of a mini display port connector coupled to a circuit board according to an embodiment of the invention; and the third figure is a schematic view of the circuit board of the second figure. The soldering portions of the plurality of first terminals 30 are individually coupled to a plurality of SMT pads of a circuit board 50 to cooperate with the solder terminals of the terminal pins of the mini display port connector of the present invention. Therefore, the plurality of SMT pads may include a first ground SMT contact pad 5101, a first high-speed signal SMT contact pad group 5102, 5103, a second ground SMT contact pad 5104, and a second high-speed signal SMT contact pad group 5105. 5106, a third grounded SMT contact pad 5107, a third high-speed signal SMT contact pad group 5108, 5109 and a fourth grounded SMT contact pad 5110 are sequentially disposed on the circuit board 50 along the X direction, and The sequence is as follows: the feet represented by the mini display port connector of the present invention are sequentially #1, #3, #5, #7, #9, #11, #13, #15, #17, and #19. Bit. Accordingly, the soldering portions of the plurality of second terminals 40 are also individually coupled to a plurality of perforated contacts of a circuit board 50, wherein the plurality of perforated contacts may include a hot plug detecting via contact 5201, a low speed signal The perforated contact group 5202, 5203, a fifth ground via contact 5204, a fourth high speed signal via contact group 5205, 5206, a sixth ground via contact 5207, a fifth high speed signal via contact group 5208, 5209 and a power signal The perforation contacts 5210 are disposed on the circuit board 50 in two rows along the X direction, and are sequentially matched with the same column positions as the #2, #6 of the mini display port connector of the present invention. , #10, #14, and #18 and such as, #4, #8, #12, #16, #20 and so on.

In a circuit board according to an embodiment of the present invention, the second grounded SMT contact pads 5104 and the second high-speed signal SMT contact pad sets 5105, 5106 disposed in the same direction along the X direction are at the central position of the column and the distance between the two It must be greater than the distance between the remaining adjacent SMT pads in the same column; further, the lines 530, 540 on the circuit board 50 for connecting to the fourth high-speed signal via contact groups 5205, 5206 can pass through the SMT contact pad 5104 and the second high-speed signal. SMT contact pad group 5105, 5106.

In a circuit board according to another embodiment of the present invention, the distance between the contact pads located in the middle of a column and electrically contacting a high-speed signal terminal group and the adjacent ground terminals must be greater than the remaining adjacent terminals (groups). The distance between the contact pads of the electrical contacts may be the distance between the second high speed signal SMT contact pad sets 5105, 5106 and the third grounded SMT contact pad 5107. Therefore, the distance between the second high-speed signal SMT contact pad group 5105, 5106 disposed along the X direction and the third ground SMT contact pad 5107 must be greater than the distance between the remaining adjacent SMT pads, and the circuit board is connected to the via 5205. The lines 530, 540 with the vias 5206 also pass through the gap between the second high speed signal SMT contact pads 5105, 5106 and the third ground SMT contact pads 5107.

The scope and spirit of the present invention are not limited to the foregoing embodiments. In addition, the drawings shown in the specification are for the purpose Some parts of the diagram may be magnified and others may be abbreviated. Accordingly, the disclosure and the drawings are to be considered as illustrative and not restrictive.

100. . . Mini display 埠 connector

10. . . Shaded housing

101. . . Housing space

20. . . Insulating body

201. . . First terminal slot

202. . . Second terminal slot

30. . . Multiple first terminals

300. . . Bending section

301. . . First ground terminal

302, 303. . . First high speed signal terminal group

304. . . Second ground terminal

305, 306. . . Second high speed signal terminal group

307. . . Third ground terminal

308, 309. . . Third high speed signal terminal group

310. . . Fourth ground terminal

3011 to 3101. . . Weld end

40. . . Multiple second terminals

400. . . Bending section

401. . . Hot plug detection terminal

402, 403. . . Low speed signal terminal group

404. . . Fifth ground terminal

405, 406. . . Fourth high speed signal terminal group

407. . . Sixth ground terminal

408, 409. . . Fifth high speed signal terminal group

410. . . Power signal terminal

41. . . Axial surface

50. . . Circuit board

5101. . . First grounded SMT contact pad

5102, 5103. . . First high speed signal SMT touch pad set

5104. . . Second grounded SMT contact pad

5105, 5106. . . Second high speed signal SMT touch pad set

5107. . . Third grounded SMT contact pad

5108, 5109. . . Third high speed signal SMT touch pad set

5110. . . Fourth grounded SMT contact pad

5201. . . Hot plugging detection perforation contact

5202, 5203. . . Low speed signal perforated contact group

5204. . . Fifth grounding perforation contact

5205, 5206. . . Fourth high speed signal perforation contact group

5207. . . Sixth grounding perforation contact

5208, 5209. . . Fifth high speed signal perforation contact group

5210. . . Power signal perforation contact

530, 540. . . line

The first A is an exploded schematic view of a mini display port connector according to an embodiment of the present invention.

The first B is another exploded view of the mini display port connector according to the first A embodiment of the present invention.

The first C is a schematic diagram of a plurality of first terminals in accordance with an embodiment of the present invention.

The first D diagram is a schematic diagram of a plurality of second terminals in accordance with an embodiment of the present invention.

A first E diagram is a side elevational view of one of a plurality of second terminals in accordance with an embodiment of the present invention.

The second figure is a schematic diagram of a mini display port connector coupled to a circuit board according to an embodiment of the invention.

The third figure is a schematic diagram of the circuit board of the second figure.

100. . . Socket connector

10. . . Shaded housing

101. . . Housing space

20. . . Insulating body

30. . . Multiple first terminals

40. . . Multiple second terminals

Claims (10)

A display 埠 connector includes: a plurality of first terminals arranged in a row along a direction: a first ground terminal, a first high speed signal terminal group, a second ground terminal, and a second high speed a signal terminal group, a third ground terminal, a third high-speed signal terminal group and a fourth ground terminal; and a plurality of second terminals are sequentially arranged in two directions along a direction of misalignment: a hot plug detect a test terminal, a low speed signal terminal group, a fifth ground terminal, a fourth high speed signal terminal group, a sixth ground terminal, a fifth high speed signal terminal group and a power signal terminal; wherein the plurality of first terminals Each has a soldering end, and the distance between the soldering end of the second high-speed signal terminal group and the soldering end of the second grounding terminal or the third grounding terminal is greater than the soldering end between the remaining adjacent first terminals of the same column The distance, and each of the plurality of second terminals also has a soldering portion, and each two adjacent terminals of the plurality of second terminals are arranged in a dislocation and symmetric mirror pattern. The display 埠 connector of claim 1, wherein the plurality of second terminals have equal lengths of the welded portions, and the plurality of columns but the adjacent plurality of second terminals are welded to the one axial surface. Mirror extension. The display port connector of claim 1 or 2, wherein the plurality of first terminals are arranged in a row according to an odd number of feet defined by the mini display port connector, and the plurality of the first terminals are arranged in two columns. One of the second terminals is arranged in the order of 4N numbers defined by the mini display connector, and N is an integer less than 6. The display port connector of claim 3, wherein the second high-speed signal terminal group is matched with the #9 and #11 pins defined by the mini display port connector. A circuit board coupled to a display 埠 connector includes three rows of pads, one of which is arranged in a direction along an odd number of feet defined by a mini display , connector, and the remaining two columns are misaligned and symmetrically arranged, and One of the two columns is sequentially arranged according to the 4N number of pins defined by the mini display connector; the feature is that the column pads arranged in the order of the odd pins defined by the mini display connector are provided at the near central portion. The distance between the pads for electrical contact of a high-speed signal terminal group and the pads for electrical contact with a ground terminal must be greater than the distance between the remaining adjacent pads for electrical contact with other terminals in the same column. The circuit board of claim 5, wherein the column of pads arranged in the order of odd pins defined by the mini display port connector is an SMT contact pad. The circuit board of claim 5 or 6, wherein the high-speed signal terminal group is matched with the #9 and #11 pins defined by the mini display port connector, and the high-speed signal terminal group and the phase are The distance between the pads adjacent to the ground terminal for electrical contact may provide a path for electrical contact with other sets of high speed signal terminals of the other group. The circuit board of claim 7, wherein the group of high speed signal terminals are #10 and #12 feet defined by the mini display port connector. A display 埠 connector having 20 pins defined by a mini display 埠 connector, arranged in three parallel columns, one of which is tied to an odd number of feet The bit definitions are arranged in a single column, the remaining two columns are misaligned and symmetrically arranged, and one of the two columns is sequentially set according to the definition of the 4N number of pins, and N is an integer less than 6, and the odd pin The distance between the high-speed signal terminal group and the adjacent one of the ground terminals disposed near the center in the definition sequence must be greater than the distance between the welding ends of the remaining adjacent terminals in the same column. The display port connector of claim 9 is fixed on a circuit board having a plurality of pads for connecting the display pin connector pins and fixing, and fixing the odd pins. The distance between the single-row pads defined by the bit is greater than the distance between the remaining adjacent terminal pins. A line that provides electrical contact with the pins of the other high-speed signal terminals of another group is traversed therebetween.