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Operator
Good day, and thank you for standing by. Welcome to the Q2 2023 Magnachip Semiconductor Corporation Earnings Conference Call.
(Operator Instructions)
Please be advised today's conference is being recorded. I would now like to hand the conference over to your speaker today, Yujia Zhai. Please go ahead.
Yujia Zhai - MD
Hello, everyone. Thank you for joining us to discuss Magnachip's financial results for the second quarter ended June 30, 2023. The second quarter earnings release that was issued today after the market closed can be found on the company's Investor Relations website. Webcast replay of today's call will be archived on our website shortly afterwards.
Joining me today is YJ Kim, Magnachip's Chief Executive Officer and Shin Young Park, Magnachip's Chief Financial Officer. YJ will discuss the company's recent operating performance and business overview, and Shin Young will review the financial results for the quarter and provide guidance for the third quarter of 2023. There will be a Q&A session following the prepared remarks.
During the course of this earnings conference call, we may make forward-looking statements about Magnachip's business outlook and expectations. Our forward-looking statements and all other statements that are not historical facts reflect our beliefs and predictions as of today, therefore, are subject to risks and uncertainties as described in the safe harbor statement found in our SEC filings.
During the call, we will also discuss non-GAAP financial measures. The non-GAAP measures are not prepared in accordance with generally accepted accounting principles but are intended to illustrate an alternative measure of Magnachip's operating performance that may be useful. The reconciliation of the non-GAAP financial measures to the most directly comparable GAAP measures can be found in our second quarter earnings release in the Investor Relations section of our website.
With that, I will now turn the call over to YJ Kim. YJ?
Young-Joon Kim - CEO & Director
Hello, everyone. Thank you for joining us today, and welcome to Magnachip's Q2 earnings call. Starting with our financials. Q2 revenue was $61 million, down 39.8% year-over-year and up 7% sequentially. Gross margin was 22.2%, up 100 basis points from Q1, driven by higher utilization at our Gumi Fab.
Our year-over-year results continue to be impacted by macro challenges that I will detail in each of our business sections, but I am pleased to see sequential improvements in our power business driven by industrial and automotive applications. These positives were offset by weaker OLED smartphone revenue during the quarter from our top Korea panel customer. During the quarter, we also completed the $25.5 million of our remaining stock buyback program. And today, I'm pleased that our Board approved a new stock buyback authorization of $50 million, which signifies our confidence in our long-term business and unwavering commitment to enhance shareholder value.
Finally, earlier in the second quarter, we announced that our Board approved the recommendation of each strategic review committee to separate our Display and Power business into separate legal entities. Broadly speaking, this strategic separation represents a significant milestone for Magnachip and highlights our commitment to unlock long-term value for our shareholders. We are currently working through the process of separating the business so they will have a distinct ERP enterprise resource planning and accounting systems. The process is expected to be completed at the end of 2023 and go live in January 2024.
Post separation, the Board and management team will continue to oversee both businesses. This internal separation is aimed at enhancing transparency, accountability, business flexibility as well as business focus and strategic optionality, and we look forward to providing further updates on our upcoming earnings calls.
Let me now provide updates into each of our business segments. Beginning with our display business, Q2 revenue came in at $9.7 million, down 65.9% year-over-year and down 10.9% sequentially. Year-over-year, our results reflect the ongoing smartphone inventory correction and the continued impact of the last 2 years' supply shortages of 28-nanometer 12-inch OLED wafers that affected our second half 2022 design wins. Sequentially, our OLED revenue declined from Q1 due to decreased demand from our large Korean panel customer. Despite these near-term hurdles, we remain focused on expanding our customer base to include all major global panel customers to deliver highly competitive products to achieve sustainable long-term growth as an industry leader in display.
At our new global Tier 1 panel customer, we delivered our second OLED DDIC project sample in Q1, but due to spec changes by the customer, we revised and shipped a second chip at the end of June. We aim to receive final qualification in a few months and anticipate production at the end of the year. Additionally, we sampled the third chip in Q2, which has been evaluated by the global panel customer and is now at the design-in evaluation stage by a smartphone maker for the first half 2024 launch. Further, with our new global panel customer, we continue to collaborate on new projects. In Q2, we began developing a fourth OLED DDIC project for our global panel maker that has the potential to contribute revenue around midyear 2024.
Additionally, we started work on a mass market OLED display driver [5th] chip, aimed at expanding market share of the low to mid-range OLE smartphone display market, which is expected to drive revenue growth in the second half of 2024 and beyond. Given these developments, we feel confident about our odds of winning additional Asian smartphone designs and capturing significant market share over the longer term in Asia. It is estimated that in Q2 '23, China panel makers already have captured almost 40% of the worldwide OLED smartphone panel production.
With regard to our large panel customer in Korea, we began production shipment of first OLED automotive chip in Q2 targeted for 2 different car models for a leading European automaker. Following the quarter-end in July, we also initiated production shipment targeted to another top-tier European car manufacturer. We anticipate these 3 models to provide revenue beginning in the second half of this year and beyond. Further, we secured 2 new design wins with a third European automaker in Q2 with mass production slated for second half 2025. With these wins, we now have 5 cumulative design wins targeted for a -- car models from leading European automakers.
For our smartphone DDIC project at our large panel customer in Korea, we are awaiting our customers' alignment with Chinese smartphone OEMs and look for such alignment by the end of the year.
Moving on to our Power business. Q2 revenue was $41.7 million, down 33.7% year-over-year and up 2.6% sequentially due to strength in industrial and automotive markets. As we stated in our last quarter call, we believe we hit the bottom in Q1 '23, and we saw progress in inventory on hand. The demand improvement in Q2 was broad-based. For instance, we saw a revival in demand for TVs, solar and lighting markets.
Additionally, we continued our strong momentum with design activities in Q2, propelled by our robust product portfolio across automotive, industrial and computing applications. in particular, notably 35% of the design-ins and wins are attributed to new products and customers, while more than 17% emerged from new applications. One key design win was at a leading home appliance maker in Korea with production slated to begin in Q3 '23. Power Products ASP remained strong, increasing 25.3% year-over-year and down slightly by 2.2% sequentially on lower premium product mix. We also contribute to innovate. In early July, we announced 4 new low-voltage MOSFETs using super-short channel technology that significantly improves power loss of smartphone batteries when charging or discharging.
In summary, in our power business, our product design-in/win rate is stronger than ever, and we are rolling out next-generation power products throughout this year. Looking ahead, we are seeing more improvements in our customer base, and we expect further sequential growth in Q3.
In our display business, we are very optimistic about the long-term growth of our OLED business. We continue to collaborate closely with our new global partner panel customer, and we're excited about the additional new products that we are rolling out in the next 6 months. These new products offer compelling competitive advantages, are strategically aimed at tapping into the rapidly expanding OLED market in the Asian region.
Thank you to our shareholders for your patience, and we appreciate your support as we work towards our goals. I will now turn the call over to Shin Young to go over the financials in detail.
Shin Young Park - CFO & CAO
Thank you, YJ, and welcome to everyone on the call. Let's start with key financial metrics for Q2. Total revenue in Q2 was $61 million, up 7% sequentially and down 39.8% year-over-year. Revenue from the Standard Products business was $51.4 million and revenue from Transitional Foundry services was $9.6 million. Within Standard product, Display business revenue was $9.7 million, and power revenue was $41.7 million. As YJ mentioned, while our results are still muted, we see sequential improvement in Q3.
Gross margin in Q2 was 22.2%, up from 21.2% in Q1. We expect our Q3 2023 gross margin will gradually improve as utilization continues to improve with higher demand in our power business. As we have stated on our conference call, we are planning for a wind down in our Transitional Foundry services over the next several quarters, following the end of our contractual agreement with Key Foundry at the end of August 2023. Transitional Foundry services accounts for approximately 20% of our Gumi capacity. We anticipate to begin the process of converting portions of the idle capacity to Power Standard products around the middle of 2024.
Turning now to operating expenses. Q2 combined R&D and SG&A was $23.4 million. This compares to R&D and SG&A of $20.5 million in Q1 2023 and $26.1 million in Q2 last year. A lower R&D and SG&A was primarily driven by our voluntary resignation program that we executed at the end of Q1. Stock compensation charges, including operating expenses were $2 million in Q2 compared to $1.1 million in Q1 and $1.9 million in Q2 last year. Q2 operating loss was $10.7 million. This compares to an operating loss of $21.8 million in Q1 and an operating income of $2 million in Q2 2022. On a non-GAAP basis, Q2 adjusted operating loss was $7.8 million compared to adjusted operating loss of $12.2 million in Q1 and adjusted operating income of $4.8 million in Q2 last year.
Q2 adjusted EBITDA was negative $3.6 million. This compares to a negative $7.9 million in Q1 and a positive $8.5 million in Q2 last year. Net loss in Q2 was $33.9 million as compared with a net loss of $21.5 million in Q1 and a net loss of $3.3 million in Q2 last year. Our GAAP diluted loss per share in Q2 was $0.09 as compared with diluted loss per share of $0.49 in Q1 and $0.07 in Q2 last year.
Our non-GAAP diluted loss per share in Q2 was $0.06. This compares with non diluted loss per share of $0.24 in Q1 and earnings per share of $0.23 in Q2 last year. Our weighted average diluted shares outstanding for the quarter were 41.7 million shares, which reflects shares repurchased as part of our expanded share repurchase program. Our stock buyback in Q2 2023 amounted to approximately 2.5 million shares or $25.5 million. Cumulatively, since September last year to the end of Q2 this year, we've repurchased 4.9 million shares for $50 million.
Moving to the balance sheet. We ended the quarter with no debt and cash of $173 million, down from $212.1 million at the end of Q1 2023. The primary cash outflows during the quarter were approximately $25 million of stock buybacks and payment of $11.4 million related to the voluntary resignation program, including onetime package cost of $8.4 million. Net accounts receivable at the end of the quarter totaled $35 million, which represents an increase of 8.9% from Q1 2023. Our day sales outstanding for Q2 was 52 days and compares to 51 days in Q1. Inventories net at the end of the quarter totaled $32.3 million. This compares to $36.4 million in Q1 2023. Our average days inventory for Q2 was 62 days and compares to 73 days in Q1. Lastly, Q2 CapEx was $1.4 million. We currently expect our CapEx in 2023 to be approximately $7 million which is about 30% lower from our previous forecast of $10 million and nearly 70% lower from the 2022 level.
Now moving to our third quarter guidance. While actual results vary for Q3, Magnachip currently expects revenue to be in the range of $59 million to $65 million, including about $8 million of Transitional Foundry services and gross profit margin to be in the range of 22.5% to 24.5%.
Thank you. And now I turn the call over to Yujia. Yujia?
Yujia Zhai - MD
Thanks, Shin Young. That concludes the prepared remarks section of our call today. Operator, you may now open the call for questions.
Operator
(Operator Instructions)
Our first question comes from Suji Desilva with ROTH Capital.
Suji Desilva - MD & Senior Research Analyst
Welcome Back Shin Young. So on the OLED business, talking about the new Tier 1 panel customer. You seem to have multiple products you may be able to ramp within the next 4 to 8 quarters. Can you talk about how to size that opportunity versus your traditional business you've had in the Korea panel customers? It seems like the bigger opportunity but I want to understand that opportunity.
Young-Joon Kim - CEO & Director
Yes. Suji, thank you. So we now have 3 samples. And so as mentioned today, one will go through the qualification and expect to go towards the end of the year. And the other one, the 3rd chip is already in the design in evaluation stage and expect to go -- if successful, go to launch in the first half next year. So we are also getting a lot of inquiries because now we have 3 products. So the ramp will be based on each models. So it will be hard to say, but now we are back on the pipeline back to starting the OLED ramp towards the end of the year.
Suji Desilva - MD & Senior Research Analyst
Okay. That's helpful there. And then where are your China panel customers? Where are they in the process of securing wins with their smartphone customers? Where are they in that process at this point?
Young-Joon Kim - CEO & Director
Well, so the fact that we already have a design-in evaluation stage and then we have a lot more [encouraged]. They are promoting a lot. And so we now will have about 5, 6 different type of panel using the 3 chips that is being promoted. And then I said before that we will have 2 other chips coming in, in the next 6 months. That will also enable 2024 revenue enablement in addition to the 3 chips being already being either sampled or started being evaluated by the end customers.
Suji Desilva - MD & Senior Research Analyst
Okay. Switching over to the Power business. I'm curious how much will the -- what kind of incremental revenue opportunity or capacity opportunity would you expect to happen as the Gumi service contract comes offline, how should we think about that opportunity incrementally?
Shin Young Park - CFO & CAO
So the historical and Transitional Foundry services accounts for approximately 25% of our Gumi capacity. So I mean, assuming all other things being equal, like if nothing is not to build a gap, our power products manufactured and Gumi fab will have absorbed approximately 25% of its fixed cost, which will increase our power product cost and result in lower gross margin. But again, that's also the opportunity for us to build a gap. So our job is to build a gap of Transitional Foundry wafers with our power wafers as soon as possible. but that will also require converting transitional service equipment to handle power devices. So again, our goal is to make the dip minimum and smoothly bring up more of our power business conversion in that fab.
Suji Desilva - MD & Senior Research Analyst
Okay. And then following up on that, Shin Young, the gross margin opportunity here, it seems like at the prior peaks, you were in the high 20s, when power is about 30% higher than where it is now versus now in the low 20s. Is that the difference here in terms of recapturing power revenue to drive gross margin back up? Or can you go above that with this incremental capacity if you ramp it?
Shin Young Park - CFO & CAO
I mean it's going to be our long-term goal to get to the high the gross margin level. But as I explained briefly, because of that switch from the transitional services to the power business to kind of move some of the equipment from the Gumi fab to bring in like new equipment to support the power businesses. So there's going to be some gap there and because the power product during the process, we'll have to observe more cost there.
So on long-term basis, we are trying to get back to the maximum level that you just pointed out, explained. But in the meantime, we're going to experience some of the dip in the gross margin there.
Suji Desilva - MD & Senior Research Analyst
Okay. Got it. Maybe one last quick question. The OpEx from the current levels, do you expect it to be steady going forward? Or will you be adding to the OpEx? Or are there additional cost efficiency opportunities?
Shin Young Park - CFO & CAO
I mean the voluntary resignation program that we executed at the end of Q1, that's definitely helping our SG&A R&D to go down and that's what you saw in Q2. But R&D for the full year 2023, were kind of similar to the last year's level due to the development of like many new chips as YJ explained during the call. So you're going to see some increase in R&D expenses in the second half of 2023. But the SG&A, we are trying to keep that as a reduced level benefited from the voluntary resignation effect.
Operator
(Operator Instructions)
Our next question comes from Martin Yang with Oppenheimer.
Zhihua Yang - Associate
Great. So my first question is maybe YJ, can you clarify your comments regarding your Korean panel customer and its alignment with Chinese smartphone OEM? Can you give us more details on what you mean by the alignments? And what are the potential outcomes out of the different scenarios for the alignment with the customers?
Young-Joon Kim - CEO & Director
Yes, Martin, very good question. So our Korean panel customer, they tend to have 3 different type of customers, the Chinese smartphone makers, internal mobile division and then the fruit company. So the -- our chip that we have provided to them last year in 2022 was targeted for their business for capturing some Chinese high-end smartphone. So that's what they're working on. But as you know, the China's OLED market is very competitive, and they have 5 main panel makers. And I think according to some market research data, they captured almost 40% of the worldwide, their production or consumption in Q2 this year. So I think that's why some delay there. But that is -- at the same time, we are doing so many chips with the new panel -- global panel customer, and I think our strategy is on track.
Zhihua Yang - Associate
Got it. My second question is on your -- the 4th and 5 chips and how that translates to maybe new customer relationships. Can you maybe tell us, how many panel maker customers do you expect to have, OLED panel maker customers you expect to have by the end of '24?
Young-Joon Kim - CEO & Director
The -- by end of '24. There is some echo. Yes. Yes. We expect to get to 2 or 3 more panel customer by then shipping.
Zhihua Yang - Associate
And are all of them Chinese?
Operator
Maybe you should ask your question again, Martin.
Zhihua Yang - Associate
Sure. Just a follow-up on the -- my second question is are you expecting those additional panel customers Chinese?
Young-Joon Kim - CEO & Director
Yes. So we are expecting our future chips to be open to be used by other than our current global customer.
Operator
(Operator Instructions)
And I'm not showing any questions at this time. I'd like to turn the call back over to you Yujia for any closing remarks.
Yujia Zhai - MD
Thank you. That concludes our Q2 earnings conference call. Please look for details of our future events on Magnachips Investor Relations website. Thank you, everyone. Take care.
Operator
Ladies and gentlemen, this does conclude today's presentation. You may now disconnect, and have a wonderful day.